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. Using scopes provides. When diagnosing this condition a garage shift into reverse before drive will purge this air and prevent the 2-3 flare from occurring. stream Jim Dial. Stock tuning safety I guess. I work on other peoples vehicles for a living. hWGoF,\U>bahcXF|4mC/7O=xd>[>~y99'W/s4p([ 5. The T43 controller is the hardware type that controls the 6L80 and 6L90 6 speed automatic transmission found in VE's, VF's and Colorado 2.8's which are found in Australia and New Zealand delivered vehicles. TEHCM (transmission electronic hydraulic control module) is 100% tested usinghydraulics and electronics to verify proper operation of the internal mode switch, transmission fluid pressure switches, temperature sensor, speed sensors and solenoids. These 90e's are persnickety about thatOh, not a dealer thing. Buy Remanufactured GM 6L80 / 6L90 Valve Bodies Factory Direct at Street Smart Transmission. This is on a 100% stock calibration. As the replacement for the 4L60E/4L80E transmissions, the 6L80 and 6L90 are used in many GM applications, including: Cadillac STS-V, XLR-V, Escalade, Escalade ESV, Escalade EXT, and XLR GMC Sierra, Sierra Denali, Yukon Denali, Yukon XL Denali, Yukon XL, and Yukon Chevrolet Silverado, Suburban, Corvette, and Camaro Hummer H2 Pontiac G8 A A low vacuum reading indicates wear. September 14, 2020. Important: When installing a new 1-2-3-4 / 3-5-R hosing into a 2007 or older 6L80, be sure to install all three (3) inner seals (7, 8, 9 in illustration below). endobj z t6}vqA({ p$= The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. 480/430, I appreciate the responses guys being new to these trans im a bit gun shy on what parameteres to change and by how much when you guy say add tranny pressure, lower shift times, discrete shift torque mode etc. how much change are we talking? The transition from second to third was flawless. Newly built 6L80E and flare issue. y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx and 41 of 41 as built of the 534 HW. 6l80's are really finicky about trans fluid level. Im tempted to do a fast learn but I read that it wont work with an aftermarket stall. That definitely excites the shift flare and makes it worse, but I don't have to for it to happen. Slip or flare on the 2-3 shift. The 3-4 flares in wot in touring and sport mode. (Ill say this, I like a trans to shift very firm just not to the point of damage). Skipping 2-3 gears. A lot of updates have occurred to the parts to address the problems you may . No mods..Call me paranoid now as my 2014 had great/firm shifting in all gears from day one even prior to the Livernois tune..The tune made it even better..Hmm kinda puzzled on the shifting thing now..I just can't imagine dealer tearing into the Hot Rod so early on..!! % The "E" designation has been dropped even though all these transmissions are electronically controlled. AZ6k;$#f*:4YLE=TtM%F(|!q_H/$DI_HdMY*f0BPHl The 6L80/6L90 has been out since 2006 and is beginning to show up in more shops. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. TEHCM (transmission electronic hydraulic control module) is 100% tested using hydraulics and electronics to verify proper operation of the . Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . Subscribe today to see the replies on this topic. Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. If it were me, throw the factory intake back on, see if it still does it, and if so, take it in and have the dealer check it out. A!q*TH\ Torque converter engagement/disengagement problems. Repeat these procedures ten times. 109 0 obj <> endobj endobj 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. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! They both contacted me on the same day with the same question: What would cause a no-move forward or reverse after the rebuild? }lJq0o.9&II-)ULk-5,G $ I don't think this will fix the problem. Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Andrew Jessiman. <> The Fora platform includes forum software by XenForo. The Fora platform includes forum software by XenForo. Transmission failed at 270k miles. Click here for complete warranty information. So this is the second transmission with just over 6000 miles on it. Now I have this crazy flare issue. ho|7IyM~Ulb?IF+ClGEGeIU-Zgr#^6ts:!GRC. 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. A!1*THL Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. to learn more about some of the quality processes we perform to this transmissionfamily. 2023 Jasper Engines & Transmissions. Any advise is appreciated. Every other gear shifts firm and crisp. :) 6L80 = 2006-2018 4.8L / 5.3L / 6.0L / 6.2L / 6.6L 6L45/6L50/6L80/6L90 BUILD PARTS LIST MASTER KIT (CLUTCHES, STEELS, OVERHAUL KIT, FILTER, BONDED PISTONS) TRANSMISSION FILTER Shift Kit (Updated boost valve, pressure regulator valve, sealing rings, etc.) When you purchase through links on our site, we may earn an affiliate commission, which supports our community. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Today we explain what causes this problem and how to fix it. T! As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). ;b2)%7ez>%mB$qDPdjZEdRlh77TZRm_GnLY From my last blower only pass at the track: Good info guys, thanks!! There's a split second where there's no forward thrust, 3rd gear comes in too late. hb``g``a`a`zb@ C'D6 @ m6_7I When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. July 20, 2020. 0 Clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-VL-PR3. Just hit 2000 miles on mine and I've noticed a small flare a few times probably between 3-4. I+ So, lets examine some conditions and causes along with a few diagnostic tips for troubleshooting. The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. December 17, 2020. 3469 So, as soon as you get a price from our online catalog, just click on the Find an Installericon to find the installer closest to you. Called TAC and was told to replace with another new unit. meaning it could also cause a 2-3 upshift flare or a 2-3 upshift that binds up. Zip Valve Drop-in Parts. None of the above categories describe me. Call Us Text A VIN# Mon-Thu 9AM-8PM | Fri-Sat 9AM-5PM EST. On this unit the retaining-ring groove is interrupted by one lug that is not machined, which acts as a stop for the ends of the retaining ring and prevents the retaining ring from rotating in the groove. 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? Just a normal takeoff. "SDS UGqF*mx@K Diagnosis and correction of a max line pressure condition may become, By now you may have heard of, or even experienced, a GM 8L45 or 8L90 transmission with a no-move or no-pressure condition. This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF Helping transmission shops achievesuccessful and profitable operation. xX[oCjMX;"gqKi A"/Non o.rw%i}B~6?'4&,kH*++qSXd9j+%2k.El`J)qdJ% .'Y0% 4`bbH"S*%OXt-"RSV(..|#Bt&$[9KEu:lJ7,?KL*U!Y'?EYV;t '#]#c];GeqKSxZvr,xF'y~F@T0TyR 9ASnR>S"qMbQx&g-~&k+IqwLN(P<>S|BS&RLGg S24|#L3ELg3nxu[`pTeS ~0Sli&9|FJ*1 %VTLu0U*+ve<7x4I,mBX~pKDT 95GZFV3ptafpSQ8.^=LSD]=qb5CuW. 22 0 obj STL010 6L80 6L90 8L90 SURE COOL SYSTEM UPGRADE SUPERIOR USA + Bypass Gasket $46.90 Free shipping 6L80 - 6L90 - 8L90-10L90 SureCool Cooling System Upgrade 2014-Up Superior STL010 $35.62 $37.89 Free shipping Select Vehicle Shop with confidence Top Rated Plus No mods have been done to the car either with just under 900 miles on it. Early Bird Special. What they have in common is working on the 6L80/6L90 for the first time. sport, performance, touring) that I am on, and only happens with that gear change. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. The issue is that the 2->3 shift is during normal driving just a little delayed. The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. Then after the car would sit for a few hours, it would happen again. Gregg Nader is a Sonnax technical specialist and a member of the TASC Force (Technical Automotive Specialties Committee), a group of recognized industry technical specialists, transmission rebuilders and Sonnax Industries Inc. technicians. Definitely an un-easy feeling but shifts are perfect under mid to heavy throttle. xMA],3%lAnS8Q,:,Z@cf I0H7o7*. qS?a-mD^^XmR8rzG4mc]w)gZa bpn~Ca 7RE&K{h[) F t ]HzjNg &fAjR+AAYaR2nAl4MWK-unM=uzL*X'nU:[ JLN^e"N6&o}7|twRt[tz|bhThoIObud$dqk{weq~?Q#8HFT5x2R*SjJ{I+h>RWDVoz:ut 0;zSq<7?q*g1|ntVn z+@J7-G\v@tZaz3qgvH&cwi, 6Czyu#}=)}'$c!" /:u\;O`KKwqaze$2hSvy[kJR2l|`f[,w9N q#u\nD&/ This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. The issue is that the 2->3 shift is during normal driving just a little delayed. 6L45-6L90-ZIP. Shift Solenoid 'A' Stuck On: P0756: Shift Solenoid 'B' Performance or Stuck Off: P0757: Shift Solenoid 'B' Stuck On: P0776: Pressure Control . Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. and guess what same thing but not as bad. 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