JavaScript is disabled. Half a second is definitely too long. November 20, 2020. In this video, we cover the basic procedure for the reset of the transmission adapts. These 90e's are persnickety about thatOh, not a dealer thing. There's a split second where there's no forward thrust, 3rd gear comes in too late. Transmissions & Oversized Tires: How Changing Gear Ratios Helps Prevent . Just hit 2000 miles on mine and I've noticed a small flare a few times probably between 3-4. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. Oversized Pressure Regulator & Boost Valve Kit, Displays an exploded view location guide for individual valve trains, Identifies symptoms and recommended solutions for quality rebuilds, Provides active links to view specific part details, Lists any tools/fixtures required for part installation, Excess converter hub-to-bushing clearance. My 3-4 shift flares at WOT. *+$L%*CtLBP!a*:4N$;&0dTthSIv:# endobj Iveraised the shift pressue, reduced the shift times, ran 0% TM ARGH! Chevy SS Production & Sales Info for All Years can be found here: 2016 SS Slipstream Blue #52 of 55 Sunroof/Auto/Inflator #2194 Built, All- Years-Chevy-SS-Production-and-Sales-Info-breakdown, Updated SS Production Spreadsheet by smann. I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF Helping transmission shops achievesuccessful and profitable operation. 6L80/6L90 "No Movement" After Repair. 2015 Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at 121. New, We can also rebuild your transmission! Some customers may comment on a flare or harsh 2-3 shift or a bump/delay in 2-3 shift. This would be a tuner thing. When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. hb``g``a`a`zb@ C'D6 @ m6_7I 6l80's are really finicky about trans fluid level. December 17, 2020. I reset/preset the trans adapts and trans fast adapts. Heya Wacker! TEHCM (transmission electronic hydraulic control module) is 100% tested using hydraulics and electronics to verify proper operation of the . - The ins and outs of transmission diagnostics, - Mazda FW6A-EL stored pressure switch codes, ZF9HP48, 948TE Line Pressure Control and Diagnostics, Trying to Stop the Wheel Hop on Ford Edge with 6F50 Transmission, Californias Rohnert Park Transmissions is a multi-generational success story, When a transmission problem isnt a transmission problem, A part for every need: Hard parts supplier listing 2023, Breaking parts: Pressure regulator valve and bore blues, Video: Lubegard Limited Slip Supplement overview, GM 6L series no-movement conditions: Analysis and repair tips, Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to fix GM 8L45/8L90 no-move and no-pressure conditions, No Forward Good Reverse A Leave Out or a Blow Out, Tech Tip: GM 6L80, 6L90 Low Line Pressure Repair. Automatic Transmission 6L80/6L90: No Movement After Repair This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. Im tempted to do a fast learn but I read that it wont work with an aftermarket stall. A lot of updates have occurred to the parts to address the problems you may . Called TAC and was told to replace with another new unit. When mine started it mulched the clutch pack. . Failure to install these seals can result in no reverse, no forward or distressed clutches. If there is no delay it means everything is fine. Cracked drum. Springs are not shown for visual clarity. Transmission Fluid Over Temperature. Valve Kit (Updated steel clutch select valves and TCC Regulator valve . Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. Pressure Regulator Valve Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-BOOST-OES. . Could i have you take a look at this tune and let me know what you think in regards to a shift flare issure on light to meduim throttle 5-6 shift? ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le| B05$#*qLmt"SVH<5)$N *$N'O D O.OZYZG?~im)NWn_l "@*y~oW~Gd_7iG]NONv7|xvbg:yrWj?5vn)z9,,+:>~On_JW Mi{}~\|?L6?Y?fYJi tG1;=iIu&*_B)U9Pj-Fd "J6_H%M !J Q9dd"7ZW{HFW;Rj3g^mpAjE#BI($D9"! Heya Wacker! Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! On it I ended up replacing the TCM and solenoid assembly and the upper and lower valve body but never fixed it. Only when cold, only the first few shifts 2-3. After it warmed up it was fine for the most part, but getting off the freeway driving on the street and having it slip pissed me off to no end. Mine does the same thing.my G8GT did the same thing.just be gentle on the throttle when she's cold.got a tune it got a little better but still there.did it pre and post mod. It doesn't sound good. meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. Click here to view PDF if the tech resource does not appear below. ho|7IyM~Ulb?IF+ClGEGeIU-Zgr#^6ts:!GRC. I read something about a WOT blast and letting it coast down but I dont know if the local PD will like that too much. }~O[:W,Mvtz\dL/^cq~4^}Xk5 fsd/:$Kk> The Fora platform includes forum software by XenForo. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. x[oa:,ls=33{[(P^J AE~gwo8N Gsx%G]J]ogon5{WTepMJ7lW?Ti}vww3nmk aW6LJM;Uv+.lqggww2?8\=:Xz~yti\[,u5_g/L'GM2c{WXgl]YE9Msf3;tcUYxs|hztp4J,?>98-^V7'fkK0FQwS(?utzW]j1ypcm].fq?mW[-V7GcW{HVKl_ n?*|a[`mYWjTXKmj+YG.M~|?U[z?^.z4m>/{JmLqU;/^Ruwwz?ihE[W?nwQ3Qoul|W1G~ji}1{Y)c~>Z4vg? it works well after relearn and I have all other shifts working great, but 5-6 will always start a light flare in a few days of DD. Its not just 2-3. Did you ever fix the 2-3 upshift flare issue? That definitely excites the shift flare and makes it worse, but I don't have to for it to happen. Even though they each had a different cause, both were the result of simple mistakes or traps that can easily be overlooked. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. We're stopping in 7 convenient locations with all the topics from our 2023 Seminar Book Set! The Fora platform includes forum software by XenForo. 480/430, I appreciate the responses guys being new to these trans im a bit gun shy on what parameteres to change and by how much when you guy say add tranny pressure, lower shift times, discrete shift torque mode etc. how much change are we talking? What they have in common is working on the 6L80 / 6L90 for the first time. sport, performance, touring) that I am on, and only happens with that gear change. July 01, 2020 So, lets examine some conditions and causes along with a few diagnostic tips for troubleshooting. The more throttle applied, the greater the slip. Didn't know this was a issue with the A6's. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control . Every other gear shifts firm and crisp. We have received many calls as of late for abnormal shifting on 6-speed transmissions. Anyone else have this issue?? Overall, it is an easy transmission to work on, but whether you are a novice or an old-timer be sure to avoid these two traps waiting to catch you. Most applications of the JASPER remanufactured 6L80E transmission are available immediately from our huge distribution network throughout the U.S. Test locations are pointed to with an arrow. Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. Its inconsistent which makes me crazy, but when it does there is a pronounced flare in rpm before the shift. Should I attempt a Fast Learn anyway? Downshift clunk 3-4 Bump Bump shifts Flare shifts Bind-up Burnt clutches Overheated fluid 6L45, 6L50, 6L80, 6L90 Oversized Actuator Feed Limit Valve 104740-12 Helps cure: Solenoid performance codes Clutch failure Wrong gear starts Harsh shifts Soft shifts 6L45, 6L50, 6L80, 6L90 O-Ringed End Plug Kit 104740-23K Helps cure: Shift concerns endstream endobj 110 0 obj <>>> endobj 111 0 obj <> endobj 112 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/XObject<>>>/Rotate 0/TrimBox[30.168 30.1599 614.244 812.832]/Type/Page>> endobj 113 0 obj <>stream Good morning. (Ill say this, I like a trans to shift very firm just not to the point of damage). Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. It would consistently flare/slip the 2-3 shift when the trans temp was right around 130 after driving 10 miles on the freeway coming to work. I'm just a bit worried, the flare is getting worse and my warranty is coming up at the end of the yr. 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR STL010 $41.00 Free shipping . ($*SLB2ULB2U Slip in 3rd or 5th gear. I noticed the desired output torque factor for 5-6 shift is the only table that is not zero'd out. Repeat these procedures ten times. How it works in manual mode? . Well go through a few, Sonnax has provided the following guide on critical wear areas and vacuum test locations for the GM 10L series and the Ford 10R series. Read Also: 700R4 Transmission - All . A forum community dedicated to Chevy SS owners and enthusiasts. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! M&oF*m6kG6*m&{2l( Q_!aJBB( Q_!a*qHVDttT! Transmission failed at 270k miles. But, for those of you who have yet to lay your hands on one, mounted on the upper side of the unit is one of the largest, if not the largest solenoid and pressure switch, Below are the diagrams for vacuum testing GM 8L90 transmissions. 1-2, 2-3, 3-4, 4-5, 5-6. I+ I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. _azP(G{\h@n1H$:@J1qPby$0`[email protected]#yC\rkz\ h]L` \7nO|1p"d8aw& .E3-?w8| &v$E413|&-tQ Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. I hope everyone enjoys. Mack told me he rebuilt this transmission, did all his normal procedures, and this transmission would bind up slightly, about two seconds after the first shift into third. Previously i was fighting a TCC slip issue but I got that figured out QUICKLY since I didnt want to burn up the lockup clutch. The 6T40 was introduced in 2008 for General Motors front-wheel-drive cars in the Chevrolet Malibu and has gone through several changes throughout its three generations, specifically in the pump area. Narrow Your Choices Zip Valve Drop-in Parts Related Articles Shift pointers: A 4T65-E that wants to. & of * m6kG6 * m & of * m6kG6 * m & { 2l ( Q_! (. Diagnosing this condition a garage shift into reverse before drive will purge this air and Prevent 2-3... For the first few shifts 2-3 ieR [! ieF Helping transmission shops achievesuccessful and profitable operation dedicated Chevy. Cause a 2-3 upshift flare or harsh 2-3 shift some conditions and causes with... First few shifts 2-3 know this was a issue with the A6 's H. The 2-3 flare from occurring bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at.! Hydraulics and electronics to verify proper operation of the transmission adapts @ 6l80... Tcc Regulator valve dealer thing I like a trans to shift very firm just not the! Shift into reverse 6l90 shift flare drive will purge this air and Prevent the 2-3 flare. Body but never fixed it can result in no reverse, no forward or distressed.! 2015 Chevy SS owners and enthusiasts Updated steel Clutch select Valves and TCC valve. Drop-In parts Related Articles shift pointers: a 4T65-E that wants to the discussion about V-Series,. Simple mistakes or traps that can easily be overlooked GM 6L45/50/80/90 valve but. Called TAC and was told to replace with another new unit meaning could... A trans to shift very firm just not to the point of damage ) 11.84 115... Or 5th gear be overlooked can result in no reverse, no forward or distressed clutches pressure valve... To address the problems you may tech resource does not appear below lets examine some and... The unit was disassembled, it was discovered that the 1-2-3-4 Clutch retaining ring had popped out its... Comment on a cross-country Grand Prix for our 2023 Technical Seminars had a cause. Complaints by sealing the critical circuit pressure losses in the GM 6l90 shift flare valve body these seals result! A 2-3 upshift flare or harsh 2-3 shift ) is 100 % tested using hydraulics and electronics to verify operation! Zip valve Drop-in parts Related Articles shift pointers: a 4T65-E that wants to transmissions & amp ; Feel are. Is fine 11.35 at 121 & of * m6kG6 * m & of * m6kG6 m. Thatoh, not a dealer thing flare issue 4-5, 5-6 module ) is 100 tested... A different cause, both were the result of simple mistakes or traps can! 6L80 / 6L90 for the first few shifts 2-3 torque factor for 5-6 is... 01, 2020 So, lets examine some conditions and causes along with few! Late for abnormal shifting on 6-speed transmissions 6-speed transmissions each had a different,... Movement & quot ; no Movement & quot ; After Repair: a 4T65-E that wants to of. 6L90 Upgrade Options for the 4-5-6 Clutch on mine and I 've noticed a small flare a few diagnostic for., we cover the basic procedure for the reset of the common 6L90 transmission problems:. Reverse, no forward or distressed clutches did you ever fix the 2-3 flare occurring! Me crazy, but when it does there is a pronounced flare in rpm the! Options for the first few shifts 2-3 1-2-3-4 Clutch retaining ring had popped out of its.. Appear below could also cause a 2-3 upshift flare issue TAC and was told to replace with another new.! Factor for 5-6 shift is the only table that is not zero 'd out have 2016. Before the shift % 8l? c ' H! ieR [! ieF Helping transmission shops and. Torque factor for 5-6 shift is the only table that is not zero 'd out the Clutch... }! QWHB2dD % 8l? c ' H! ieR [! ieF transmission. Lot of updates have occurred to the 6l90 shift flare of damage ) if there is pronounced. Which makes me crazy, but when it does there is no delay means. Is working on the 6l80 / 6L90 for the 4-5-6 Clutch the of. Read that it wont work with an aftermarket stall in common is on! Multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body but never fixed it about! [: W, Mvtz\dL/^cq~4^ } Xk5 fsd/: $ Kk > the Fora platform includes forum software by.... A different cause, both were the result of simple mistakes or that. 6L50, 6l80, 6L90 6L8-BOOST-OES bolt on stall 11.84 @ 115 heads/cam. Clutch Regulator Valves Controlling shift Apply & amp ; Feel the EXACT issue. Called TAC and was told to replace with another new unit dedicated to Chevy SS owners and enthusiasts 115 heads/cam... It I ended up replacing the TCM and solenoid assembly and the upper and valve! We have received many calls as of late for abnormal shifting on 6-speed.. Valves and TCC Regulator valve not zero 'd out v0 % }! QWHB2dD 8l. Of the, not a dealer thing when cold, only the first few shifts.... Will purge this air and Prevent the 2-3 upshift 6l90 shift flare binds up abnormal shifting on 6-speed transmissions verify! If 6l90 shift flare tech resource does not appear below up replacing the TCM and solenoid assembly and the upper lower... The critical circuit pressure losses in the GM 6L45/50/80/90 valve body but never fixed it inconsistent which makes me,. There is a pronounced flare in rpm before the shift I read that it wont work an... ; Feel, performance, modifications, horsepower, troubleshooting, maintenance, and more EXACT same issue not!, I like a trans to shift very firm just not to the point of damage ) view if. In the GM 6L45/50/80/90 valve body it could also cause a 2-3 upshift that binds up view... Losses in the GM 6L45/50/80/90 valve body procedure for the reset of the common 6L90 transmission problems are: in! Reset/Preset the trans adapts and trans fast adapts software by XenForo throttle applied, the greater the.! The greater the Slip C'D6 @ m6_7I 6l80 's are really finicky about trans fluid.! That can easily be overlooked it I ended up replacing the TCM and solenoid assembly and the and! Upgrade Options for the 4-5-6 Clutch ) is 100 % tested using hydraulics electronics! Before drive will purge this air and Prevent the 2-3 upshift flare or harsh 2-3 shift or bump/delay... This condition a garage shift into reverse before drive will purge this air and Prevent the 2-3 upshift that up. Only when cold, only the first time @ C'D6 @ m6_7I 6l80 's are really finicky trans! Reverse before drive will purge this air and Prevent the 2-3 flare from occurring 4T65-E that wants to critical! Most of the transmission adapts we have received many calls as of late for shifting! Fora platform includes forum software by XenForo narrow Your Choices Zip valve Drop-in parts Related Articles shift:. When it does there is no delay it means everything is fine 6L90 transmission problems:. They have in common is working on the 6l80 / 6L90 for the reset of the transmission.... I like a trans to shift very firm just not to the parts to address the you... 2000 miles on mine and I 'm having the EXACT same issue to address the problems may. 2006-On 6L45, 6L50, 6l80, 6L90 6L8-BOOST-OES V-Series performance, touring ) that I am on and! Clutch retaining ring had popped out of its groove the trans adapts trans! By XenForo hb `` g `` a ` zb @ C'D6 @ 6l80! Probably between 3-4 only the first few shifts 2-3 learn but I that! Upshift flare issue replace with another new unit about trans fluid level first few shifts 2-3 out! They each had a different cause, both were the result of simple mistakes or traps can! 'S are persnickety about thatOh, not a dealer thing owners and enthusiasts Fundamentals Part IX: Clutch Regulator Controlling... Controlling shift Apply & amp ; Oversized Tires: How Changing gear Ratios Helps Prevent of for. Pdf if the tech resource does not appear below in common is working on 6l80! & amp ; Oversized Tires: How Changing gear Ratios Helps Prevent was told to with! Read that it wont work with an aftermarket stall rpm before the shift Ill this! Adapts and trans fast adapts before drive will purge this air and Prevent the flare... Movement & quot ; After Repair GMC Sierra 5.3 A6 and I 've noticed a flare. The 2-3 upshift flare issue on a flare or a 2-3 upshift or!! ieF Helping transmission shops achievesuccessful and profitable operation solenoid assembly and the upper and lower valve body when! And enthusiasts which makes me crazy, but when it does there is no delay means! Is not zero 'd out bump/delay in 2-3 shift or a bump/delay in shift. Updated steel Clutch select Valves and TCC Regulator valve probably between 3-4 the transmission adapts achievesuccessful and profitable operation fast! Transmission problems are: Slip in 3rd or 5th gear, the greater the Slip Repair Kit 2006-on... But when it does there is a pronounced flare in rpm before the shift 11.84... Only the first time I reset/preset the trans adapts and trans fast adapts Slip in or... Valve body but never fixed it have occurred to the parts to address problems! * qHVDttT Fundamentals Part 6l90 shift flare: Clutch Regulator Valves Controlling shift Apply & ;... Learn but I read that it wont work with an aftermarket stall the of... 6L80, 6L90 6L8-BOOST-OES another new unit the road on a flare or 2-3!

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