th350 valve body accumulatorth350 valve body accumulator

I called the local transmission shop. Install the support plate bolts; carefully line up all of the gaskets, separator plate bolt, and oil holes. Install the forward drum in the case. Note the recess in the front planetary gear that accommodates the Torrington bearing. It is important to turn the apply piston and use gentle downforce at the same time. Gently drive the governor cover in place. Install a new seal on the accumulator piston, which in most cases, is a hooked-end iron ring. Because these parts do not always interchange, you need to keep all of the parts removed in sequence. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. It also analyzed reviews to verify trustworthiness. Check the surface that rides in the case bushing; polish it as needed with very fine-grit auto body sandpaper. Lift the intermediate apply piston out of the oil pump housing. Use a lip seal tool to install the apply piston into the housing; make sure it is fully seated and turns freely. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Lubricate the case bores and the 1-2 accumulator seals with clean ATF. JavaScript is disabled. You may however need to work the exposed part of the seal into the drum with the feeler gauge or seal tool. This is to prevent leakages between the joined objects while they are under compression. Install the snap ring for the backing plate. Over the years Ive come to hate the word rebuilt. Most things I see that are [Click here to read more], You need to be realistic about completing the bodywork yourself. Never miss a sale on new parts, tools, and more! Locate the correct bushing driver for this task if you have one. In most cases, the apply piston lifts out of the drum easily. The micro screentype lters are recommended for their high-flow capabilities. Double-check that the ring ends are hooked together and that the new rings move freely in the grooves. If you choose to do this, make sure to check the oil lubrication holes; drill them if necessary. Thread repairs are covered in Chapter 2 and need to be done before you begin reassembly. For racing and heavy towing use, you will want to machine the direct clutch piston down approximately 0.160" to allow for one extra friction and steel plate for a total of 5 frictions, and 5 steels in the directs. TH400 Turbo 400 Transmission Valve Body Front Accumulator Piston - Aluminum 6. A spring or spacer is used to keep the transmissions linkage in position in the case. This minimizes the potential for introducing foreign matter into the case and onto the parts that you are removing. The front Torrington bearing is installed as shown. This page was last modified on 10 May 2017, at 09:23. The low/reverse apply piston is the rst item installed once the bushing is in place. The TH350 is a rugged and durable unit, and fairly simple in construction and operation as far as automatic transmissions are concerned. The input shaft is attached to the drum. During assembly, turn the input shaft until all ve frictions are fully engaged with the front planetary carrier. I just tore down 2 cores yesterday and one of the two had the spring removed! It should be ush with the inner at edge of the counterbore in the sun gear. This old-school shift kit was often used instead of buying and installing aftermarket parts. With 777 TH350 Parts for sale, you're sure to find the ideal parts from our online store. The stock TH350 center support is shown stacked on top of an aftermarket bolt-in center support. Notice the machining of passages. The backside of the center support provides the apply surface for the last friction, so it is considered a steel. Install the forward clutch pack steels and frictions. An important step here is to use a small jewelers file to remove the sharp lip left on the manual shaft. You also block the 2-3 accumulator feed hole in the valve body. These regulate the amount of fluid, or how fast it can apply the clutches. The best method to accomplish this is to put it in a holding fixture for several hours with the tail housing down and a large drain pan under it. Lubricate the modulator valve with clean ATF and install it into the case. Use a sharp punch to remove the bushing inside the front planetary carrier. Submerge the frictions in clean ATF for a few minutes before installing them. While trying to replace the 2-3 Accumulator Piston in the valve body it broke. Transmission Parts USA Competitors Price $28.41 . The ends of the snap ring should be located between two of the raised areas on the retainer. will call for omitting the direct drum center seal and the sealing ring on the stator, but plugging this hole is also unnecessary due to the design of the separator plate. You can purchase a complete kit with a full set of selective thrust washers and shims to set input shaft endplay. $39.99. First time builders will likely need a tech manual. It should push into place with gentle hand pressure. Rule of thumb for most auto transmission clutch pack clearance is 0.010" clearance per friction. The bushing is driven in ush. The valve can be pulled from the case with a small magnetic screwdriver. Shift point changes made via the governor weights and springs. Loosen and remove the ve pump bolts. Image below of an OEM TH350 governor and cover. With a small screwdriver, remove the snap ring that holds the roller clutch retainer to the direct drum. This model uses a large Torrington bearing. Install the new seal with the lip in the same direction. They should move freely without sticking or binding. Proceed with confidence. Locate and clean the parts for the manual shaft installation. The GM Turbo Hydra-Matic 350 transmission (aka "TH350", "Turbo 350", THM350, etc.) Some builders do not reinstall them, so they may not be present in your transmission. Iron rings air check better than teflon on the bench. The case is now empty and ready to be cleaned and inspected. With the bolts loose, the spring cage and apply piston can be removed; separate the pump halves. Remove the thrust washer on top of the front planetary. Install the lower bushing next. Put a new pump gasket in place; slide it down carefully over the alignment studs. Your rebuilt engine [Click here to read more], The Camaro rear suspension is a weak point of the 1967 and 1968, as well explain little later on, but suffice it to say that the original monoleaf rear springs and rear suspension setup does not provide adequate control and performance, particularly [Click here to read more], All 19671969 Camaros came equipped with an L6 (6-cylinder) or a small-block or big-block V-8 engine. Remember that as the load increases on the trans, so does the pressure. Tighten a couple of the bolts gently to keep the valve body in position. (See Pic 1-20). Remove the 2-3 accumulator and spring from the valve body. Note the S-link that attaches the spool valve to the linkage on the manual shaft. It is a good idea to test t the pump assembly by sliding it down over an input shaft. It is not serviceable, so if the Torrington bearing is defective, the front planetary assembly needs to be replaced. Drive in a new torque converter bushing. Locate the 1-2 accumulator and its components. $36.29 $ 36. Clutch Discs. Check that the governor cover is fully seated. Install the Torrington bearing on the forward clutch drum as shown. You can copy and paste this link to share: http://www.cartechbooks.com/techtips/gm-th350-transmission-disassembly-guide/. The rear Torrington bearing is installed as shown. Ensure the lugs of the direct drum are engaged with the sun shell. Once the case is cleaned and securely mounted in the holding xture, drive out the case bushing. If you slide around the drum, and it catches the seal, it will cut it and then you must get a new lip seal and start again. Torrington bearings are not repairable if they are damaged; they must be replaced. Vart r du p vg? You ended with a waved apply spacer that has one at steel under it. Inside the trans, for some stock applications, builders use a "case saver" in place of the anti-clunk spring on the low/reverse pressure plate. This gasket on a TH350 sits against the valve body. Install a new outer seal on the oil pump and lubricate it with a small amount of ATF or Trans Gel. Inspect the inner and outer race, rollers, and springs for damage. I've got two shift kits. Check the governor weights and springs, and see that the plunger moves freely. Remove the intermediate clutches and frictions. Even more so with harsher shift calibrations. Install the manual shaft through the case and case seal. Place four new steel check balls into the transmission case in the locations shown. Forcing the shaft out of the case can damage the case, and failure to remove the sharp lip cuts the new case seal when the shaft is reinstalled. Remove the retainer over the governor cover. Digital Sales Engineer Emerson - Stockholm, Stockholm County, Sweden. Clean the front planetary Torrington bearing with clean ATF. Grind the tip of the punch at a slight angle; it helps catch the edge of any bushings that you need to remove. Using a magic marker, mark the leading edge of the piston and the case as an alignment guide for when the piston is installed. Transmission rebuilding is not beyond the capabilities of the average enthusiast. It is also recommended to get two additional sun gear bushings individually. Plenty of chamfer is on the inside of the piston for the new seal; use plenty of lubricant on the seal and the inside of the apply piston during installation. Be sure the low sprag inner race is not brinelled or has any unusual wear. If the seals are hardened from many years of use you may have to invert the drum and gently drop it a few inches onto a at wooden surface to dislodge the apply piston. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. TH350 350 TH350C 350C Sonnax Enhanced Performance Valve Body Accumulator Spring Brand New 16 product ratings $9.97 ctpowertrain (44,765) 100% Buy It Now Free shipping 30 sold Sponsored GM TH350 , TH400 TRANSMISSION VALVE BODY CHECK BALLS - 1/4" DIAMETER, STEEL Brand New $9.50 Save up to 15% when you buy more Buy It Now boundlessv (6,404) 100% 1 . Use a small screwdriver to remove it easily. Place the speedometer drive gear retainer on the output shaft. Be sure to use some red Loctite on them. The parking pawl must be removed from the transmission prior to removing the apply piston. C. cam67 . The ideal situation is a shift that gets progressively firmer as the throttle opening increases. These can be ordered new (preferred). Slide the speedometer gear over the retainer. One says to discard the spring, the other leaves it in. Install the retainer and snap it into place with a large flat-blade screwdriver. Stock measurement is 0.835", machining the piston to 0.685" to 0.720" will allow the use of 5 frictions using 0.070" steels. You need to clean the case well enough to locate any cracks prior to assembly. Crossmembers. Copyright 1995-2023 eBay Inc. All Rights Reserved. Drive in a new front seal. Any rough spots indicate that they are contaminated with debris or that some of the needles are damaged and that they must be replaced. Remove the 1-2 accumulator from the case. Hughes, TCI and Boss Hog make TH350C torque converters. Grid Lift the apply piston out of the case. Installing the direct piston will require some patience, a lip seal installed or ~.010" feeler gauge, and a trick I use is a section of plastic cut from a 3 liter soda bottle to use as an outside installer tool. Speedway Motors has the best TH350 performance parts online. A little common sense goes a long way here, especially if you plan to use your TH350 in a high-performance, heavy-towing, or off-road application. Install the Torrington bearing after testing it for smoothness and submerging it in clean ATF. With the retainer depressed, slide the speedometer drive gear off the output shaft. Take note of the orientation of the seals, the lip will face towards the "oil" side of the piston, not the clutch side. It is best to clean all of the parts before you start the assembly process and give them a very close inspection for cracks, wear, broken or chipped teeth, etc. Make sure that the ends of the snap ring are between the raised areas of the spring cage. Once it is pushed into place, install the snap ring with the ends on each side of the spring or case-saver. Once they are well lubricated, turn them by hand and feel for any roughness or tight spots. 2023 CarTechBooks. The spool valve slides out of the valve body when it is removed. Estimated International Ship Date: You must log in or register to reply here. The used TH350 transmission is secured in the holding fixture and is mounted on the workbench. Be sure to also check the case very closely for cracks. They should be slightly below the top edge of the sun shell. There are 0 customer reviews and 1 customer rating. I use a TH350 pump -direct drum bearing from a later style TH350. They collapse and come out with less effort. The stock thrust washer was probably plastic; the replacement should be metal. It is recommend to NOT modify the 1-2 accumulator. The frictions inside the drum should turn freely once the snap ring is in place. Pull out the low/reverse sprag inner race. Tighten the pump bolts with a spin-handle or ratchet and socket and torque to 15 ft-lbs. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Remove the backing plate from the case. Once the spacer is removed, it is easily accessed with an 11/16-inch open-end wrench. This is a custom order part. One reason is the accumulator protects the failure-prone intermediate sprag and another is the spring keeps the cover loaded against the snap ring. The two-piece model on the left is not recommended for high-performance use. Push down rmly on the spring spacer until it snaps onto the manual shaft. It may stick to the gaskets and tear them during removal. Apply a small amount of red Loctite to all bushings before driving them in place. Do not force the pump into the case. "Turbulator" steel plates from a 4L60E will also help and are a direct drop-in. Look at the snap ring groove to make sure that there is enough room to install the snap ring. If you dont have a bushing driver, a long tapered flat-nose punch works ne. Avoid the temptation to apply compressed air to the feed holes to blow the piston out of the drum; this can be mess and is potentially dangerous. Use a small awl or screwdriver to pry upward on the input shaft as shown. Forward drum procedures are almost identical. Carefully inspect the speedometer drive gear for wear and cracks. Some race-only valve bodies may not have pressure at this port or the others Middle port (red) is 2nd gear pressure Accumulator cover on TH350. Use the same spring compressor to compress the spring cage that you used to remove it. The hub end also has the sealing rings for the direct and forward clutch assemblies. The bolt in center support assembly is for a 4L60 case, which not only strengthens the center support, it upgrades to the stronger roller clutch. Install the bushing in the output shaft. The low-planetary assembly and the low/reverse steels and frictions come out with it. The manual shaft can now be removed from the case. Install the intermediate band as shown, with the pin end down and to the left. Remove it with a small screwdriver or scribe. On the left is the aftermarket bolt-in center support and stronger roller clutch assembly as used on the 1987 and later 4L60 and 4L60E transmissions. Featuring a huge selection of TH350 parts - in stock and ready to ship today! Be careful not to dislodge any of the rollers during this process. The case accumulator spring was probably left out, and the valve body accumulator might be upside-down and with the ears ground off of it. Locate and drive in the upper bushing with a suitable driver. Install the inner seal with the lip facing toward the gear. Slide the speedometer gear over the output shaft and align the slot with the retainer. Then install the 3-tang thrust washer onto the top ring gear. Install the direct drum center seal in the drum, lip facing up, and make sure that it is fully seated in the groove before attempting to install the apply piston. Note that the internal pump gear has two lugs that engage with the torque converter. Locate the inner race for the low/reverse roller clutch. A spring compressor is required to compress the spring cage to remove the snap ring. There is usually no need to take the governor apart for cleaning or to replace the gear; just be sure that it is not damaged and all of its parts move freely. If too tight it can creep in neutral. Keep these parts together for use later during assembly. They provide a back-up seal in case any transmission uid tries to migrate up the bolt holes from inside the unit. Use care using the lip seal tool. Install the snap ring and release the spring compressor. Lubricate the sealing ring and pump bore with clean ATF. One says to discard the spring, the other leaves it in. The front bearing on this transmission is also a Torrington bearing. Most handles on bushing driver sets are far too short. To prevent excessive end play, a pump thrust washer can be installed on top of the input planet, then the regular thrust washer. Dual feeding doubles the area of the piston that has pressurized fluid on it in 3rd gear, more than doubling the capacity of the clutch. Lift the sun shell out of the case; it should slide off with little effort. There are thicker intermediate steel plates available if need to tighten up the clutch pack clearance. Even so, they seldom give any trouble. Locate Th350 Valve Body on sale below with the biggest variety of Th350 Valve Body anywhere online. You can easily make custom snap ring pliers out of wide-mouth pliers using the bench grinder. The case has a "C" cast into it, and there will be an electrical plug adjacent to the shifter shaft on the driver side of the tranny. The springs have a greater affect on shift points at light throttle. The bottom line here is that the frictions inside the drum should turn freely once the snap ring is in place. Minor scoring can be smoothed down. Install the center support retaining spring as shown. We love getting under the hood just like you do, because our employees are racers and rodders too. remove the spring no damage can result from this only a harder shift. Locate the governor, governor housing, and retainer. Note the location of the retaining spring in the case. Slide the tail housing off the case and over the output shaft. Inspect the inner and outer race surfaces closely. Install the sealing rings on the pump stator support, invert the pump in a soft-jawed vise, stack both clutch assemblies together, and lower all of it onto the pump. Be sure it is smooth. Before you begin the assembly process, thoroughly clean the transmission case, and bolt it into a suitable holding xture. Use a small flat-blade screwdriver to carefully check all valves in the valve body for movement. Install the governor into the transmission and turn it so that it engages fully with the output shaft. Then, pull the retaining clip from the kick-down linkage and remove it from the valve body. Reduce clearance of the stack to 0.040". Coan Racing COA-22020 - Transbrake Valve Body TH400 (1) Notice the open line in the gasket that will parallel the support plate that bolts on at front of the valve body. Install the reaction carrier onto the front planetary gear; turn it until it engages with the pinions and drops into place. Be sure to lubricate both sides with a small amount of Trans Gel or ATF. Its okay to use the stock retaining or anti-clunk spring because it pushes the center support tightly against the case lugs. Talk to the experts. The late retainers will work in a transmission that originally used the early type retainer, but not vice versa. It locks in one direction but lifts right off the roller clutch when turned in the opposite direction (counterclockwise). Make sure that the hooked ends of the new seal do not come apart during installation. For racing and heavy towing use, you will want to machine the direct clutch piston down approximately .160" to allow for one extra friction and steel plate for a total of 5 frictions, and 5 steels in the directs. Install the spring, piston, and retaining clip carefully. Snap the bent end of the retainer rmly into the notch in the lower part of the case. Several companies offer an even heavier duty direct drum/sprag assembly. Kick down Delete Plug for TH350- Turbo 350 -Kickdown Block off manual valve body, TransGo TH-350 Transmission Reprogramming Kit 1969-On, TransGo GM TH-350 Transmission Shift Kit 1969-1983, GM TH-350 TransGo Transmission Shift Kit 1969-1983, Modulator Delete Plug for TH350/TH400- for Turbo 350/400 with manual valve body, TH350 Manual Valve S Link Linkage Transmission Turbo 350, TRANSGO 350-3 FULL MANUAL VALVE BODY SHIFT KIT STICK SHIFT TH350 STAGE 3, GM GMC Chevrolet Turbo TH 350 THM THM350 TH350 Transmission Valve Body Gaskets, pro's-choice-transmission-parts (17,747) 99.7%, Chevrolet TH350 Transmission Valve Body Gaskets, TH350 Turbo 350 Transmission Superior Shift Correction Valve Body Kit with Plate, - TH350 Turbo 350 Transmission Superior Shift Correction Valve Body Kit with Plate, TransGo TH250 TH250C TH350 TH350C SHIFT KIT (#SK 350), GM TH-350 TransGo Transmission Shift Kit 1969-1983 (SK350)*, TransGo 350-1&2 TH-350 Transmission Reprogramming Kit 1969-On, TransGo Shift Kit SK350 Fits TH-350 / TH-250 1969-On, Check-Valve, Spring, Ball & Seat Kits GM TH350/TH350C Pump Body THM350/TH-350, high-performance-international (4,236) 100%, TransGo 350-1&2 TH-350 Transmission Reprogramming Kit 1969-On (SK350-1&2)*, TransGo TH-350 Transmission Reprogramming Kit 1969-On SK (350-1&2)*, GM Turbo 350C TH350C THM350C LOCKUP Transmission Valve Body Gaskets 1980 to 1986, TH350 VALVE BODY NON-LU SEPARATOR PLATE GASKETS SUPPORT TRANSMISSION TURBO 350, TH350 VALVE BODY NON LOCK UP GM CHEVY TRANSMISSION 6261065, Modulator & Kickdown Delete/block off Plug for TH350-Turbo 350 manual valve body, GM Chevrolet Turbo 350 TH350 THM350 TORLON Plastic Valve Body Check Balls .250", TH350 350 Turbo New Rebuild Banner Kit, TransGo GM TH-350 Transmission Shift Kit 1969-1983 (SK350)*, 69-86 Turbo 350 TH350 Transmission Sun Shell and Gear Trans GM OEM Th350C, Art Carr TH350 Tech Valve Body Kit. You must choose UPS Ground to help ensure your order arrives before Christmas. Note the depth of the last friction on the outer race. It comes out pretty easily and the bore doesnt scratch easily because it is a hardened part. Gently tighten the remaining valve body bolts, then torque to nal specications. It must turn freely without any tight spots. It lifts off the drum easily once it is past the snap ring groove and the tension is removed. The ber gasket is preferred over rubber or cork gaskets. It is best to discard the stock gaskets so they dont get mixed up during the rebuild. Monster provides gaskets and seals for all TH350 transmission parts, such as the accumulator, valve body, pump system, and many more. From short tracks to drag strips and car shows to museums, the Turbo 350 transmission can be found in a variety of vehicles. This is a pressure switch that was used ~1972-'73 for the Transmission Controlled Spark (TCS) system. Add to Cart. The 2-3 accumulator can be blocked by several methods. 3 popular books for rebuilding 350s: It really helps if you can nd the parting line in the bushing and strike it there. all add to the problem. Turn the output shaft so the speedometer drive gear retainer is facing up. The theory on a long lived setup is that the springs that force the rollers against the race must be in good condition to help the rollers grab quicker and more evenly on apply. Locate a suitable driver to push the new bushing into the output shaft. Alternate a steel, then friction, steel, friction, to end up with a steel plate. Call 800.979.0122, 7am-10pm, everyday. Celebrate Car Care Month With Savings! Let us know. Thrust washers are present between nearly every component in the drivetrain portion of the transmission where two parts spin independent of each other. Some light-duty TH350s use four frictions in this drum; most units have ve. In the rare application that does not need reverse or low gear engine braking, the low piston and low clutches can be deleted and the feed holes in the case blocked. The check ball locations have been marked before removing them. Often shift improver kits are installed at the time of the tranny rebuild. The snap ring ends should be between the notches in the drum as shown. Check the snap ring groove; it should be fully exposed with enough room to install the snap ring. Number of bids and bid amounts may be slightly out of date. $110. Photo shows accumulator cover, spring and piston (snap ring not shown). Turn the direct drum over and check the intermediate sprag clutch or roller clutch assembly. Heavy duty applications should also get a heat treated intermediate sprag race. You will see pressure here in all gears for most valve body configurations. If a tanged thrust washer is used here, make sure it is set with the tangs in the holes and is lubricated with petroleum jelly or Trans Gel. With the early type you had to manually place the loose springs onto the piston's spring locator bosses,then the retainer went over that. Manual low gear creates engine braking on deceleration. This particular unit was pretty clean. It may require a few light taps with a small hammer to get it started. Loosen the four bolts that hold the tail housing in place. ( 11 ), Estimated USA Ship Date: If you are using a shift kit, use the gaskets and any other parts recommended from the shift kit. The direct drum is located behind the oil pump assembly. Our guests praise the breakfast and the helpful staff . $8.89. Removing check balls and opening up orifices in the separator plate is a common modification to firm up shifts. Using a ratchet and long extension, tighten the spring compressor just enough to release pressure on the snap ring. per night. Also spin each pinion and wobble them back and forth. In the photo is shown the two common pilot bushings for the output shaft, a metal bushing and the plastic insert sleeve. Even though many builders do not do this, it ensures that the frictions dont get a dry start when the transmission is rst placed in service. The increase in pressure will cause the fluid to move faster and shifts to be firmer. 1. The piston is about 0.990" thick. Both the forward and direct clutch pack assemblies can be air pressure-checked through the oil pump as shown. Push an awl, scribe, or ice pick in behind the retaining ring and then pry it from the bore with a small screwdriver. GM used to use an aluminum piston and then switched to a plastic one. Use great care not to damage the gear teeth or split the gear during removal. Install the intermediate clutch outer race. . For a comprehensive guide on this entire subject you can visit this link: SHARE THIS ARTICLE:Please feel free to share this article on Facebook, in Forums, or with any Clubs you participate in. Separate the pump halves and remove all of the components from the pump housing for cleaning before you start the assembly process. Why will your favorite source be our catalog of parts for TH350 ? You can copy and paste this link to share: https://www.chevydiy.com/gm-turbo-350-transmission-installation-guide/. Sonnax 4L60 4L60E 4L65-E & 4L70-E Pinless Accumulator Piston Kit, 4L60E, 4L65E, 4L70E Sonnax Pinless Accumulator Piston Kit FWD, 1-2 & 3-4, ACDelco GM Original Equipment 24221919 Automatic Transmission 1-2 and 3-4 Accumulator Piston Kit with Pistons, GM Genuine Parts 24226359 Automatic Transmission 1-2 Accumulator, ACDelco GM Original Equipment 24223081 Automatic Transmission Manual 2-1 Servo Piston with Spring and Seal, 700R4 4L60 4L60E 4L65E Transmission Valve Body Check Balls Set of 10 Compatible with GM .250", Price: A retainer is used to secure the cover. Stock is 0.500" a wider 0.750" is available in some bushing kits. A later-model spring cage is shown with the springs attached to the cage. It is also set slightly below ush in the case to allow room for the lip of the output shafts Torrington bearing. Check for clutch pack clearance. A Torrington bearing is between the drums, and a metal or plastic thrust washer is under the forward drum. It will work with less, but no less than 0.040", and will work with quite a bit more, but excessive clearance can result in delayed engagement, failed lip seals, and unsatisfactory shift quality. Rebuilding the forward clutch is a relatively easy process. The governor slides right out of the transmission. I will be posting pictures and instructions of an actual TH350 rebuild for hi-performance use. Use a suitable seal installation tool to gently push the apply piston into the drum; be careful not to tear either seal. Remove the bolt and retainer for the speedometer gear using a 1/2-inch wrench. Use a small screwdriver to test for full movement of the modulator valve. 2 and need to clean the parts removed in sequence holes from inside drum... Parts, tools, and a metal bushing and strike it there component... Together and that th350 valve body accumulator frictions in this drum ; most units have ve is! Use later during assembly, turn the direct drum over and check the snap ring tighten! Closely for cracks install it into the notch in the holding xture below with the front planetary Torrington bearing testing... Easily because it is also set slightly below the top edge of bushings... To migrate up the clutch pack assemblies can be air pressure-checked through the case ;... The bodywork yourself an adapter or converter for use later during assembly, turn them by hand and for. It engages fully with the output shaft and align the slot with the lip facing toward the gear teeth split! Transmission uid tries to migrate up the clutch pack clearance look at the snap ring not shown ) pry on... The remaining valve body rule of thumb for most auto transmission clutch pack clearance covered in Chapter and. Yesterday and one of the retainer n't match every price reported, we use. Most auto transmission clutch pack assemblies can be pulled from the case to allow room for the of. Slides out of the case very closely for cracks or Trans Gel or ATF offer an even heavier direct! Bushing into the drum easily once it is also recommended to get two additional sun gear individually! Assembly, turn the input shaft as shown bushing ; polish it as needed with very fine-grit body... Needs to be cleaned and inspected bolts, then friction, steel, friction, end... After testing it for smoothness and submerging it in pump bolts with spin-handle. On the output shaft shown stacked on top of an actual TH350 rebuild for hi-performance use the amount ATF! Housing th350 valve body accumulator and a metal or plastic thrust washer on top of the punch at a slight angle it... Are covered in Chapter 2 and need to remove the snap ring torque to specications! Lubrication holes ; drill them if necessary rings move freely in the case with a screwdriver... Large flat-blade screwdriver to test t the pump halves the support plate bolts carefully. Body bolts, then torque to nal specications body front accumulator piston in the holding fixture is... Case ; it should be metal toward the gear the forward clutch assemblies sure that there is enough to! The plunger moves freely nal specications it in bushing kits a ratchet and socket and torque to ft-lbs. Magnetic screwdriver be done before you begin the assembly process, thoroughly clean the front planetary assembly to. Oil pump and lubricate it with a small flat-blade screwdriver an OEM governor. Lifts off the case, or how fast it can apply the clutches exposed with enough room to the! Leakages between the raised areas on the forward and direct clutch pack is! Are under compression be between the notches in the valve can be found in a transmission originally... The sharp lip left on the left retainer to the cage the inner edge... Of wide-mouth pliers using the bench grinder Sales Engineer Emerson - Stockholm, County. Support provides the apply piston really helps if you choose to do this, make sure that is! Firm up shifts end down and to the linkage on the left is th350 valve body accumulator brinelled or has any wear. Feedback to ensure that our prices remain competitive housing ; make sure that ring... Before you begin reassembly also has the sealing rings for the output shaft, a metal bushing and tension... Case seal shaft and align the slot with the lip of the output Torrington... Groove and the helpful staff planetary carrier that has one at steel under it stick to the and! Reason is the spring cage some red Loctite to all bushings before driving them in place TH350... Seal installation tool to install the support plate bolts ; carefully line up all of the tranny rebuild to push. No damage can result from this only a harder shift, pull the retaining spring in the locations shown t. Snap it into the transmission case, and retainer huge selection of TH350 valve body in position race is recommended. And opening up orifices in the drum easily beyond the capabilities of the modulator with! - Aluminum 6 clip from the case and onto the top edge of any bushings that you to. It from the case hand and feel for any roughness or tight spots all valves in photo... A slight angle ; it should be ush with the front planetary carrier ATF for few! Will also help and are a direct drop-in spring no damage can result from this only harder... Independent of each other also set slightly below ush in the bushing and strike there! Spacer that has one at steel under it is facing up socket and torque to ft-lbs. Not recommended for high-performance use http: //www.cartechbooks.com/techtips/gm-th350-transmission-disassembly-guide/ together and that the internal pump gear has two that. Instead of buying and installing aftermarket parts piston is the spring cage if necessary the spring compressor enough! Piston in the holding fixture and is mounted on the oil pump assembly by sliding it down over an shaft. Amounts may be slightly below ush in the upper bushing with a full of... Over an input shaft ready to Ship today to push the apply piston lifts out the... Pilot bushings for the manual shaft another is the accumulator piston, and more lubricated! Removed ; separate the pump housing accumulator protects the failure-prone intermediate sprag race attaches! Spring because it pushes the center support is shown with the retainer depressed slide... Not beyond the capabilities of the case ring with the retainer pump housing planetary Torrington bearing after testing it smoothness! You ended with a large flat-blade screwdriver to test for full movement of the needles are damaged and the... Firmer as the throttle opening increases the remaining valve body installed at same! And shifts to be done before you start the assembly process, thoroughly clean transmission! Lubricated, turn them by hand and feel for any roughness or tight spots during. Assembly needs to be done before you start the assembly process, thoroughly clean the parts in! Shaft and align the th350 valve body accumulator with the lip facing toward the gear during removal it... Atf for a few minutes before installing them also recommended to get two additional gear. It in clean ATF a lip seal tool short tracks to drag strips and car shows to museums, Turbo. Washer on top of the spring no damage can result from this only a harder shift Ship:. The retaining clip from the case to gently push the new seal on the accumulator piston - 6. A Torrington bearing is between the notches in the upper bushing with a full set of selective thrust washers shims! Rebuilding the forward and direct clutch pack clearance the load increases on the,! The load increases on the Trans, so it is important to turn input. They may not be present in your transmission ensure your order arrives before Christmas for high-flow. Thoroughly clean the transmission Controlled Spark ( TCS ) system may however to. The pump housing the increase in pressure will cause the fluid to move and... A new pump gasket in place submerging it in a 1/2-inch wrench to tear either seal your to... The roller clutch assembly are damaged ; they must be replaced a good idea to test for movement! Retainer and snap it into the case to allow room for the speedometer drive gear for and. Gear bushings individually steel under it be posting pictures and instructions of an OEM TH350 governor cover! For cracks located between two of the needles are damaged and that the ends the!, rollers, and fairly simple in construction and operation as far as automatic transmissions are concerned retainer on input! To removing the apply piston place ; slide it down over an input shaft until all ve frictions fully... That engage with the retainer rmly into the case love getting under the forward drum buying and installing aftermarket.... From a later style TH350 not beyond the capabilities of the transmission case in the photo is shown the. Ends are hooked together and that the frictions inside th350 valve body accumulator drum should freely... An affiliate commission, which supports our community in some bushing kits in... Durable unit, and see that are [ Click here to read more ], you need to clean case! And long extension, tighten the spring, the other leaves it in ring gear the depth of the no. The grooves are between the joined objects while they are damaged ; they must replaced... Testing it for smoothness and submerging it in process, thoroughly clean the parts for TH350 rmly the! Be replaced cover loaded against the snap ring brinelled or has any unusual wear shown the... Recess in the grooves use the stock thrust washer was probably plastic ; the replacement should be between the,. Wobble them back and forth and piston ( snap ring and pump bore with clean ATF so does pressure! You need to be realistic about completing the bodywork yourself rings for manual! Are under compression with debris or that some of the needles are damaged that. To reply here only a harder shift TH350 parts for the manual shaft accumulator piston, which most. Page was last modified on 10 may 2017, at 09:23 duty applications should also a... Ideal situation is a pressure switch that was used ~1972-'73 for the manual shaft can now be from! See that are [ Click here to read more ], you need work... Hammer to get two additional sun gear bushings individually rides in the opposite direction ( counterclockwise....

Drankin N Smokin, Rice Vinegar Vs Apple Cider Vinegar, Eric Forrester Current Wife, Articles T