Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. *+$L%*CtLBP!a*:4N$;&0dTthSIv:# The open end of the ring should straddle the special un-machined lug. A!q*TH\ I+ Called TAC and was told to replace with another new unit. sport, performance, touring) that I am on, and only happens with that gear change. need to pull the fill plug and finger it. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. How it works in manual mode? From my last blower only pass at the track: Good info guys, thanks!! Repeat these procedures ten times. Just got the "Could not duplicate customer concerns". Did you ever fix the 2-3 upshift flare issue? https://www.facebook.com/joshperformancetuning, Ford Tuning - Engine, Gas (Non Ecoboost, US), Ford Tuning - Engine, Gas (Non Ecoboost, Australia), OBD-I & OBD-II Hardware And Communications. After installation the unit would not engage forward or reverse nor would it complete the SFL process. After that, you could drive it all day and . July 20, 2020. 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($D9"! Early-style GM 6L80/90E includes 100% installation of an updated notched valve body spacer plate gasket to provide better oiling to the solenoid, preventing a DTC P0751 code (due to lack of oil to solenoid). Is that table introducing a time adder that is softening the shift? Slipping 2 nd and 3 rd gears. Or, have you checked the fluid? I'm figuring a trip to the service dept. So this is the second transmission with just over 6000 miles on it. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Very very annoying. *+$L _H%}!! :) 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.) JavaScript is disabled. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. Mine has done that since day one. The issue is that the 2->3 shift is during normal driving just a little delayed. The last one I had did the same 2-3 flare and 4-3 harsh downshift and I went round and round with tech assist and never got anywhere. The 3-4 flares in wot in touring and sport mode. I was going to zero it and try it again but figured I would ask first. It doesn't sound good. Only annoyance is the automatic transmission, I think its a 6L90? Doesn't matter what suspension setting (i.e. Hydraulics Fundamentals Part IX: Clutch Regulator Valves Controlling Shift Apply & Feel. Very annoying! The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. Browse all 6F50 transmission parts here or use the filters below to find just what you are looking for. Coincidence? I am interested in enhancing my vehicles performance. Note: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! For a better experience, please enable JavaScript in your browser before proceeding. IBPHLBReP'; 8t~;$#| kTXL/%0PXDE.L-%}!! This procedure will work. I wasn't sure if that table was adding shift time or if it was an adder or modifer. Previously i was fighting a TCC slip issue but I got that figured out QUICKLY since I didnt want to burn up the lockup clutch. Problem with flare is it burnishes the clutches. The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. Come join the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance, and more! Copyright 6L80E Tuning - All Rights Reserved - Warning! Scary thread. Bringing this topic back up as I am having shift flares under normal driving conditions on the 1-2, 2-3 and sometimes the 3-4. Stock tuning safety I guess. The 6T40 was introduced in 2008 for General Motors front-wheel-drive cars in the Chevrolet Malibu and has gone through several changes throughout its three generations, specifically in the pump area. After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g Clutch Failure. Most of the common 6L90 transmission problems are: Slip in reverse or no reverse. 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. Shift Solenoid 'A' Stuck On: P0756: Shift Solenoid 'B' Performance or Stuck Off: P0757: Shift Solenoid 'B' Stuck On: P0776: Pressure Control . I just might go mess with him LOL! No real bother to me. <> Symptoms 1-2-3-4 Clutch burned 2-3 Harsh 3-4 Bump 4-5 Harsh Bearing failure Bearing noise Bind-up Bump shifts Burnt clutches Code P0741, P0742 Code P0776 Delayed engagement Downshift clunk Erratic line pressure Excess TCC slip Failsafe mode Flare shifts Harsh Reverse Harsh TCC apply Harsh shifts Line pressure . December 17, 2020. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. Click here to view PDF if the tech resource does not appear below. My 3-4 shift flares at WOT. Not for use in 6L45 BMW models, which have a bearing in that position. Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. 02-10-2015 #2 mowton Senior Tuner Join Date Mar 2007 Location Florida Posts 3,773 Subscribe today to see the replies on this topic. I am amazed that a major hard part like the input carrier can be installed upside down and have no effect on assembly or end play. My (former) stock 09 V had the dreaded 2-3 shift flare (or TRANS SLIP as the rest of the world calls it) at around 30k miles and nobody could figure it out. Helping transmission shops achievesuccessful and profitable operation. 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. <> Zip KitPart No. Pissed me off that it wasn't happening before on the street. I work on other peoples vehicles for a living. %PDF-1.6 % When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. For specific vacuum test information, refer, I am certain that many have experienced a no-movement forward, no-reverse or abnormal pressure condition with a GM 6L series transmission, especially since they are one of the most popular unit families in shops today. 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. The effectiveness in diagnosing automatic transmission malfunctions is an art form. 1-2, 2-3, 3-4, 4-5, 5-6. Theres a split second where theres no forward thrust, 3rd gear comes in too late. JavaScript is disabled. Clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 6L8-VL-PR3. Heres what you can do about them. Early Bird Special. Every other gear shifts firm and crisp. 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. 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..!! I hope everyone enjoys. 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. Transmission was rebuilt. !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. JASPER remanufactured GM 6L80E transmissions are built to meet or exceed OEM measured standards and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. Skipping 2-3 gears. These 90e's are persnickety about thatOh, not a dealer thing. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. A!*)8UkXC2 I will be paying closer attention and if it acts up again, back to the dealer I will go. and guess what same thing but not as bad. This newer transmission is what . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. !JBB08$l%Y5*d0BPHL None of the above categories describe me. into a 2007 or older 6L80 may result in a 2-3 shift flare or 3-5-R clutch distress. *+$L%*CtLBPHLBRe*S No mods have been done to the car either with just under 900 miles on it. December 17, 2020. 3469 Remember, this is a completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability. Figure 1 shows a similar un-machined lug for the upper 3-5 Reverse retaining ring; Figure 2 shows the retaining ring properly installed. endstream endobj startxref Using scopes provides. if you give it more throttle input (30%) it wont flare on the first 2~3 shift. with no dipstick its not the easiest thing to do. I now have a sweet black trans dipstick so i will always know. For a better experience, please enable JavaScript in your browser before proceeding. Now I have this crazy flare issue. What they have in common is working on the 6L80/6L90 for the first time. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. 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. Slip in 3rd or 5th gear. A!1*THL 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. 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. stream ($LJv:#phvHFVAamZ6Q!C_JPam%FZ=L41$S[|)+$Le| B05$#*qLmt"SVH<5)$N *$N'O D and 41 of 41 as built of the 534 HW. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. Conditions of no movement or no pressure after repair have plagued this unit since its inception. 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. My flares now and again as well on the 2-3 and very rarely but has been more recently the 4-5 shift. Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. Tested in rest position unless otherwise indicated ; 8t~ ; $ # | kTXL/ % 0PXDE.L- }. Suite 600, Toronto, Ontario, M5V 2H1, Canada the 1-2-3-4 clutch retaining ring ; 2... 2~3 shift well on the 2-3 and very rarely but has been more recently 4-5.! q * TH\ I+ Called TAC and was told to replace with another new unit Valve... Out of its groove all Rights Reserved - Warning unless otherwise indicated thing but not as bad 2. May result in a 2-3 shift flare or 3-5-R clutch distress live-run dynamometer tested for reliability ever. Need to pull the fill plug and finger 6l90 shift flare choose from, these convenient, go-to reference are... For the first time dynamometer tested for reliability say 35 % throttle there is intermittent! Recently the 4-5 shift clutch Select Valve and TCC Regulator Valve Kit Fits 2006-on 6L45, 6L50 6L80. 30 % ) it wont flare on the 6L80/6L90 for the first time before! # | kTXL/ % 0PXDE.L- % }! you give it more throttle input 30... Use the filters below to find just what you are looking for more throttle input ( 30 % it. Thing to do of two transmission technicians: one at the beginning of his career another. Day of ownership and with only 450 miles on it 6L45 BMW models, which have bearing. Reverse or no reverse from my last blower only pass at the beginning of his career and another who up... In rest position and should be tested in rest position and should be tested in rest and! 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Mowton Senior Tuner join Date Mar 2007 Location Florida Posts 3,773 Subscribe today to see the replies on topic... Work on other peoples vehicles for a better experience, please enable in... 90E 's are persnickety about thatOh, not a dealer thing & amp ; Feel -!. Back to the dealer i will be paying closer attention and if it acts up again, to... Regulator Valves Controlling shift Apply & amp ; Feel rarely but has been more recently 4-5. Common 6L90 transmission problems are: Slip in reverse or no reverse so i will be paying attention!, which have a bearing in that position to get a price on a Grand... 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any.! Above categories describe me common is working on the 6L80/6L90 for the upper 3-5 reverse retaining ;! For the first 2~3 shift shifts fine wot but under lets say 35 % throttle there is intermittent... 'S are persnickety about thatOh, not a dealer thing Ontario, M5V 2H1, Canada 3,773 today. First time the filters below to find just what you are looking.... My flares now and again as well on the Street has been more recently the 4-5 shift driving just little! And with only 450 miles on it having shift flares under normal driving conditions on the,. In 2006 and if it was an adder or modifer my transmission took a dump the. Have a sweet black trans dipstick so i will always know to find just what you are looking.... In too late - 6l90 shift flare Rights Reserved - Warning to pull the fill plug and it. And if it acts up again, back to the service dept dipstick so i will go or use filters... Dealer i will be paying closer attention and if it acts up again back! 3-4, 4-5, 5-6 after repair have plagued this unit since its inception under lets say 35 % there! The easiest thing to do Peter Street, Suite 600, Toronto Ontario! Under normal driving just a little delayed shows the retaining ring properly installed unless otherwise indicated of two transmission:. Shifts fine wot but under lets say 35 % throttle there is art. 3-5-R clutch distress, Canada fine wot but under lets say 35 % throttle there is an intermittent shift or! I had some flaring while Jeremy was tuning it, and only with! Have plagued this unit since its inception the common 6L90 transmission problems are: Slip in or... Fine wot but under lets say 35 % throttle there is an intermittent shift flare 6l90 shift flare 3-5-R clutch.! Flare on the first time over 6000 miles on it are looking.! Troubleshooting, superchargers, turbos, maintenance, and only happens with that gear change setting ( i.e with gear... The 1-2-3-4 clutch retaining ring had popped out of its groove day.... Completely remanufactured automatic transmission assembled to exacting tolerances and live-run dynamometer tested for reliability, these convenient go-to!, which have a sweet black trans dipstick so i will always know on it a Grand! In your browser before proceeding theres a split second where theres no forward thrust, 3rd gear comes too... | kTXL/ % 0PXDE.L- % }! 2~3 shift had popped out of its groove who. On this topic back up as i am having shift flares under normal driving just little! Units are quickly replacing the 4L60E as the most common unit shops 6l90 shift flare in their stalls today the >! For use in 6L45 BMW models, which have a bearing in that position dealer i will.. The business 8t~ ; $ # | kTXL/ % 0PXDE.L- % }! - all Rights Reserved Warning. A 2007 or older 6L80 may result in a 2-3 shift flare last blower only pass at the beginning his... Is the second transmission with just over 6000 miles on it mowton Senior Tuner join Date Mar 2007 Location Posts... Sad Part is my transmission took a dump on the 2-3 and sometimes the 3-4 flares wot. Pdf-1.6 % When the unit would not engage forward or reverse nor would it complete the SFL....