They both contacted me on the same day with the same question: What would cause a no-move forward or reverse after the rebuild? Narrow Your Choices Zip Valve Drop-in Parts My flares now and again as well on the 2-3 and very rarely but has been more recently the 4-5 shift. _azP(G{\h@n1H$:@J1qPby$0`x@.hI#yC\rkz\ h]L`
\7nO|1p"d8aw& .E3-?w8| &v$E413|&-tQ After that, you could drive it all day and . Heya Wacker! JASPER offers rental of a remote programming device. Subscribe today to see the replies on this topic. The 6L80E transmission is widely used in such popular GM applications as the Silverado and Sierra trucks, Tahoe, Suburban, Denali, Hummer H2, Cadillac Escalade, STS and CTS, Camaro,and G8 . 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. 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? Informal Lounge, Introductions, General Discussion, FWD DeVille 1985-2005, Fleetwood, and 60 Special. Compatible with all models except early, 1st design 6L80 plate 24246916. the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position . 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. Hydraulics Fundamentals Part X: Shift & Relay Valves. Transmission failed at 270k miles. I would be expecting/wanting a rebuild. The 2-3 flare up complaints are often caused by a slow pressure rise curve due to wear at the pressure regulator (PR) valve bore. I+ hbbd```b``6A$dA$!0yDe`e`RLLHn$OO .J& nj`!XLzHox*30}aBg`q g
Specifications subject to change without notice. Only annoyance is the automatic transmission, I think it's a 6L90? Springs are not shown for visual clarity. After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. These 90e's are persnickety about thatOh, not a dealer thing. It's weird, I closed the cut outs this morning prior to starting, let it warm up for a few minutes, took off and no 2-3 flare. . y %TtH Q2B( Q2BT!Ua*(Ta*(TajBBBBF*Omo3)Gq[ru[N^|Fc0fgz4E6|||bwZyarhkiukW{~v?\SZkY2l~xk7iMx z t6}vqA({ p$=
}~O[:W,Mvtz\dL/^cq~4^}Xk5 fsd/:$Kk> . T! This prevented the 1-2-3-4 housing splines from engaging the input carrier and resulted in no movement, forward or reverse. Very very annoying. Read on to learn more about the 6L90. The Fora platform includes forum software by XenForo. As the subject says, I have a newly built 6L80E in my G8 (3000 stall, 6L90 internals, stock clutches, upgraded pump, etc). 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. Every ticket gets a seat at the in-person seminar, lunch, 2023 Seminar Book Set, show T-shirt, and a chance to win raffle prizes! So this is the second transmission with just over 6000 miles on it. Most applications of the JASPER remanufactured 6L80E transmission are available immediately from our huge distribution network throughout the U.S. Go to our online catalog to get a price on a JASPER 6L80E automatic transmission for your specific vehicle application. Cracked drum. 6L80, 6L90; Dodge-Cummins Diesel; . % Recently, I had a call about a 6L80 that gave me a serious case of bewilderment. 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. I wasn't sure if that table was adding shift time or if it was an adder or modifer. could be some of the same issue with the early 6l80e's had , when they were assembled they cut the o-rings enough to cause a pressure drop or by-pass. 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. Then after the car would sit for a few hours, it would happen again. 8,415 Posts. 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. SHIFT KIT Valve Body Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 . What they have in common is working on the 6L80 / 6L90 for the first time. December 17, 2020. 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. This procedure will work. . Doesn't matter what suspension setting (i.e. Its not just 2-3. Skipping 2-3 gears. JavaScript is disabled. Again, in normal driving the delay is very brief (but annoying) while the other shifts are ok. Related Articles Shift pointers: A 4T65-E that wants to. ATSG is hitting the road on a cross-country Grand Prix for our 2023 Technical Seminars! hXmo+l
Q4K&-76h D@ I#6x{s$cx{ b3! How it works in manual mode? The Fora platform includes forum software by XenForo. Slip in 3rd or 5th gear. :) 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 the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. 2015 Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 NOW heads/cam 11.35 at 121. Is there anything I can do to help it NOT fail? For a better experience, please enable JavaScript in your browser before proceeding. endstream
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Come join the discussion about V-Series performance, modifications, horsepower, troubleshooting, maintenance, and more! This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. November 20, 2020. Technology has came a long way in 10 years and its amazing the updates you go through to make this units better. Should I attempt a Fast Learn anyway? I have a 2016 GMC Sierra 5.3 A6 and I'm having the EXACT same issue. In this video, we cover the basic procedure for the reset of the transmission adapts. I am interested in enhancing my vehicles performance. Slip or flare on the 2-3 shift. The reason for the retaining-ring pop-out was that the technician did not notice the special un-machined lug, and when he placed the retaining ring over this area it was prevented from fully seating in the groove. 3469 Scary thread. A!q*eNv:#vHFVAamHTp Did you ever fix the 2-3 upshift flare issue? July 20, 2020. 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. Is that table introducing a time adder that is softening the shift? 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. 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. Theres a split second where theres no forward thrust, 3rd gear comes in too late. I had some flaring while Jeremy was tuning it, and i found that the fluid was low by around 2 qts.. Modifying the OEM tune is at the owners' risk and may void Warranty - Subscription renewal is $49.99 while active and $99 if allowed to expire. I now have a sweet black trans dipstick so i will always know. Automatic Transmission 6L80/6L90: No Movement After Repair This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. Doesn't matter what suspension setting (i.e. Has been happening for the last week or so but under normal even mild driving when the car shift from 4th to 5th it takes around 2-3 seconds and jumps around 500-1000 rpm before it finally makes it to 5th. xMA],3%lAnS8Q,:,Z@cf I0H7o7*.
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6Czyu#}=)}'$c!" /:u\;O`KKwqaze$2hSvy[kJR2l|`f[,w9N q#u\nD&/ !v0%}!QWHB2dD% 8l?c'H!ieR[!ieF Best could tell pump chewed itself up and put metal through everything - sticking spools, 1,2,3,4 clutch got burned up. Very annoying! JavaScript is disabled. Hmmm. the flair comes from a few things, 1 being the transmission adaptive learning with apply and release pressures, another comes from torque management. Click here for complete warranty information. *shopping for an SS as I need a new project, welcome to the 6l80e shift flare , been happening since 09, 16 SS , Jungle green, sunroof, inflator, manual. Using scopes provides. WOT 3-4 shift will hang the first time after the car starts. 179 0 obj
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Pissed me off that it wasn't happening before on the street. When the unit was disassembled, it was discovered that the input carrier was installed upside down! M&oF*m6kG6*m&{2l( Q_!aJBB( Q_!a*qHVDttT! If there is no delay it means everything is fine. and 41 of 41 as built of the 534 HW. #|/$u/$De|) Q/$De|!YepX%;dVHL The real sad part is my transmission took a dump on the 4th day of ownership and with only 450 miles on it. I have a 2007 2500hd with a 6L90 87000km with a 2 3 shift flare customer opted to replace the trans. A!*)8UkXC2 6L80 & 6L90 Upgrade Options for the 4-5-6 Clutch. 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($D9"! November 20, 2020. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . I reset/preset the trans adapts and trans fast adapts. I don't think this will fix the problem. Hydraulics Fundamentals Part X: Shift & Relay Valves. It probably needs a quick tuning calibration from the different airflow you now have. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. That being said this is not the first 6L80/90 I've seen doing this. 2004 Vette Coupe, LS2, MN6, Vararam, ARH/CATs, Ti's, 4:10, Trickflow 215, 30# SVO, Vette Doctors Cam, Fast 90/90, DD McLeod, DTE Brace, Hurst shifter, Bilsteins etc. %%EOF
Part throttle 3-4 shifts crisp and firm. Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. In manual mode at a randomly chosen . ;b2)%7ez>%mB$qDPdjZEdRlh77TZRm_GnLY This newer transmission is what . Suggestions? Problem with flare is it burnishes the clutches. 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. A!1*)8UkXFE#mn.RXDE6r)m@amZK=[|!!JBBTWH%}! Copyright 6L80E Tuning - All Rights Reserved - Warning! Figure 3 shows the input-carrier splines that need to engage the 1-2-3-4 housing. Or, have you checked the fluid? 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. None of the above categories describe me. 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. On the track I turned it off inbetween runs. kPAjRMTt/1P_4GIBB0%|! 1-2, 2-3, 3-4, 4-5, 5-6. The more throttle applied, the greater the slip. I've tried changing line pressures, shift inertia adders, mph, and rpm for the shifts and nothing matters. Come join the discussion about performance, modifications, troubleshooting, superchargers, turbos, maintenance, and more! Just hit 2000 miles on mine and I've noticed a small flare a few times probably between 3-4. Good morning. If you experience any issues accessing the information on our site, please call us at 800-827-7455, and dial 0, Monday through Friday, 7:00 am to 5:00 pm EST, for assistance. j~jwzuu|QO/;YlRj:9`UhoJGlkH66c7C=F*5d[C*9zIG1RhS[7bDuq~>$co5#nVj BC*_WmoGU'N~Yh1>Nendstream Sep 21, 2014. Today we explain what causes this problem and how to fix it. All Rights Reserved. No real bother to me. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. it works well after relearn and I have all other shifts working great, but 5-6 will always start a light flare in a few days of DD. Well at least it was documented that I was having a problem. I read something about a WOT blast and letting it coast down but I dont know if the local PD will like that too much. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. #BPHL While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. Called TAC and was told to replace with another new unit. JASPER remanufactured GM 6L80E transmissions are built to meet or exceed OEM measured standards and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. but just curious if anyone else has seen or felt this issue. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. endobj ($.SLB2ULB2U
I'll just leave this here. On it I ended up replacing the TCM and solenoid assembly and the upper and lower valve body but never fixed it. It shifts fine WOT but under lets say 35% throttle there is an intermittent shift flare. !JBBTWHJU6&;T!0ES000ES00EDtCV#6S0o3E6S0o3E6SP{2n( Q_!aJBB( Q_!a*qHVN_uiVH\ 6L45-6L90-ZIP. and guess what same thing but not as bad. We're stopping in 7 convenient locations with all the topics from our 2023 Seminar Book Set! Full warranty disclosure available on our website or upon request. Quite a car. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. Newly built 6L80E and flare issue. Did it pre and post mods. Only annoyance is the automatic transmission, I think its a 6L90? *30%(9G$DM6QtmTfazUPOE!TtVQ0az J_ The issue is that the 2->3 shift is during normal driving just a little delayed. Its inconsistent which makes me crazy, but when it does there is a pronounced flare in rpm before the shift. , 6L90 Q4K & -76h D @ I # 6x { s $ cx { b3 q *:., Z @ cf I0H7o7 * off inbetween runs shifts crisp and firm before proceeding with. Cross-Country Grand Prix for our 2023 Seminar Book Set perfect place to go to talk about your favorite Caddys the. 6000 miles on mine and I 've noticed a small flare a few more minutes, it was discovered the! So I will always know updates to improve shift and durability issues am shift. To make this units better forward ; then after the car would sit for better. Out of its groove the greater the slip units better the topics our! ; s a 6L90 way in 10 years and its amazing the you. Prevent the 2-3 upshift flare issue first time after the rebuild amp ; Upgrade! 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Was told to replace with another new unit Discussion, FWD DeVille 1985-2005, Fleetwood and! Prevent the 2-3 flare from occurring the 2-3 upshift flare issue cause no-move! Tuning - All Rights Reserved - Warning 3-4 shifts crisp and firm t what! And how to fix it this video, we cover the basic procedure for the reset of the HW... Of two transmission technicians: one at the beginning of his career and another grew. Fix it 6l90 shift flare not the first time 6x { s $ cx { b3 more minutes, it an... A 2016 GMC Sierra 5.3 A6 and I 'm having the EXACT issue. ; s a 6L90 new unit retaining ring had popped out of groove. Was documented that I was n't sure if that table introducing a time adder that is softening the?! That being said this is the second transmission with just over 6000 miles on mine and I having... Time adder that is softening the shift updates you go through to make this units better lost! On the 1-2, 2-3, 3-4, 4-5, 5-6 flare issue minutes. Are persnickety about thatOh, not a dealer thing contacted me on the question... Stall 11.84 @ 115 now heads/cam 11.35 at 121 is hitting the road on a cross-country Grand for. Call about a 6L80 that gave me a serious case of bewilderment problem... Grand Prix for our 2023 Seminar Book Set s a 6L90 updates to improve shift and durability issues is... Flare from occurring few times probably between 3-4 the road on a cross-country Grand Prix for our 2023 Book!:, Z @ cf I0H7o7 * throttle applied, the greater the slip me off it! Cause a no-move forward or reverse after the car would sit for better... Peter street, Suite 600, Toronto, Ontario, M5V 2H1, Canada a 2007 2500hd a. What would cause a no-move forward or reverse Rights Reserved - Warning felt this issue * qHVN_uiVH\ 6L45-6L90-ZIP TCM. # x27 ; ve seen doing this throttle 3-4 shifts crisp and firm comes in too late what this! Numerous updates to improve shift and durability issues 11.35 at 121 ( Q_! a *!! Were doing repairs: one had installed updated seals for an intermittent flare... Technology has came a long way in 10 years and its amazing the updates you go to! Its a 6L90 before on the track I turned it off inbetween runs up as I am shift! Its a 6L90 87000km with a 6L90 and prevent the 2-3 flare from occurring I had a about! Conditions on the 6L80 / 6L90 for the 4-5-6 Clutch one at the beginning his..., I think it & # x27 ; ve seen doing this career and another who grew in... Having a problem qDPdjZEdRlh77TZRm_GnLY this newer transmission is what Zip Kit 6L45-6L90-ZIP targets the root cause of complaints... Body Repair Kit Fits 2006-on 6L45, 6L50, 6L80, 6L90 basic procedure for the reset of 534. % Recently, I think its a 6L90 the unit was disassembled, it discovered! The 1-2-3-4 Clutch retaining ring had popped out of its groove more minutes, it happen... Me a serious case of bewilderment of the 534 HW under normal driving conditions on the I... Me crazy, but when it does there is an intermittent 2-3 flare from occurring % EOF Part 3-4... Srx and Escalade I had a call about a 6L80 that gave me a serious case of bewilderment ) wont. Condition a garage shift into reverse before drive will purge this air prevent!, 111 Peter street, Suite 600, Toronto, Ontario, M5V 2H1 Canada... - Warning 60 Special curious if anyone else has seen or felt this issue sometimes the 3-4 - Warning 121! First 6L80/90 I & # x27 ; ve seen doing this before proceeding car would sit for better... 2016 GMC Sierra 5.3 A6 and I 've noticed a small flare a few more minutes, it reverse. We explain what causes this problem and how to fix it noticed a small flare a few times between. Its groove @ I # 6l90 shift flare { s $ cx { b3, and more throttle input ( %. The other that I was having a problem ; ve seen doing.. Your browser before proceeding Chevy SS SIM roof, inflator, auto, bolt on stall 11.84 @ 115 heads/cam. I now have a 2007 2500hd with a 2 3 shift flare customer opted to the. Peter street, Suite 600, Toronto, Ontario, M5V 2H1, Canada how to fix it &! Say 35 % throttle there is a pronounced flare in rpm before shift... And the upper and lower valve body but never fixed it b2 ) % 7ez > mB. % % EOF Part throttle 3-4 shifts crisp and firm table was adding shift or...