6l80 harsh 3-2 downshift by nicholasw89 » Wed, 03/17/2021 - 15:51 : 2: by ... 8L90 4-5 flare by DrSalt » Sat, 09/26/2020 - 13:44 : 15: by Wacker Sun, 10/25/2020 - 14:30 : Normal topic: 2008 Holden Caprice Supercharged by LangasLS » Sun, 10/04/2020 - 08:46 : 2: by LangasLS Mon, 10/05/2020 - 08:02 : Hot topic: initial … … But once it warms up she will flare in between 2nd and 3rd only. The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. Repeat as necessary in each gear (8, 7, 6, 5, 4, 3 and 2). ThunderTT Posts: … So break both band adjustments loose and tighten the adjustment screw down and back off 1 turn the tighten jam nuts. Sep 01 2017, 12:39pm. Home » Forums » 6L80E / 6L90E Transmission Tuning. Helps cure: Shift concerns; Burnt clutches; Oversized Actuator Feed Limit Valve 104740-12. upshift flare can occur until the ATF temperature warms. My hot start flare usually happens more than once now. Transmission was "replaced" (probably rebuilt) by dealer a few months back. I have scoured the Internet looking for people who are experiencing the same issues I am with my transmission but haven't found anything. 6L80e Interesting TM issue on power downshift The car is an 09 G8GT with LT's,CAI and a Yank 3200. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Looks like the bulletin definitely includes 09 models. Wondering if anyone can help. upshift flare can occur until the ATF temperature warms. They both had the same question: what would cause a "no-move" Forward or Reverse after the rebuild? You ever experience this? • Slip or flare on the 2-3 shift As you may have noticed, some of the conditions seem to contradict each other; they don’t, because they’re typi-cally not present at the same time. In the trucks anything faster than .2800 - .3000ish or so will make it slam gears and clunk … Aug 24 2015, 6:34pm. Post by Badass69 » Tue Sep 14, 2010 8:20 am, Post Save Share. Harsh shifts, Downshift clunk, 3-4 Bump, Bump shifts, Flare shifts, Bind-up, Burnt clutches Compensator Feed Regulator Valve Kit 104740-09K Shift concerns, Burnt clutches O-Ringed End Plug Kit 104740-23K Includes 6 end plugs No Forward, No Reverse, Gear ratio codes Manual Valve Assembly 104740-24K 6L45 BMW only … I had just read where people have resolved this 2->3 flare shift with a tune. For a better experience, please enable JavaScript in your browser before proceeding. In the trucks anything faster than .2800 - .3000ish or so will make it slam gears and clunk … Aug 24 2015, 6:34pm. To put it simply, it is stuck doing what it was doing when the solenoid failed. Wow good news there. I was just trying to get a grip on what to expect at the dealership when I take it there as I have an extended warranty. Again I just want to get a consensus on what the problem … into a 2007 or older 6L80 may result in a 2-3 shift flare or 3-5-R clutch distress. I looked over at Sonnax's web site to see if they offer a kit for the seal issue, but they show nothing for the 6L80E. Page 4 … I find it works great when it's cold. - Answered by a verified Chevy Mechanic. 6L80E harsh 5-4 power downshift at part throttle I am by no means a tuner but have started looking at the trans tune via a demo version of HPT and comparing other tunes with mine. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Vacuum testing is an efficient way to identify the root cause of transmission problems and evaluate the effectiveness of repairs. I tried a few options, such as removing the fuse the the TCM and turning the vehicle to 'accessory' for 10-15 minutes, then plugging the fuse back in for the transmission … Clutch Backing Plate Retaining . I did a bunch research and digging, and decided to go with getting a tune. A lot of updates have occurred to the parts to address the problems you … I notice every shift imperfection now! We use cookies to give you the best possible experience on our website. Contains six plugs and nine O-rings. I have scoured the Internet looking for people who are experiencing the same issues I am with my transmission but haven't found anything. NOTE: A small 2-3 upshift flare or overlap issue, clunk into 4th Gear and a 3-2 downshift clunk is common during adaptive relearn. » Tue Sep 14, 2010 10:11 am, Post 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). Downshift clunk; 3-4 Bump; Bump shifts; Flare shifts; Bind-up; Burnt clutches; Overheated fluid; Learn More. by Badass69 » Tue Sep 14, 2010 7:50 am, Post Moderators: flyingpolarbear, Dev, Eric, James B. : 09-07-30-004J. Failure to Downshift– The 4L60E will often fail to downshift if one or more of the shift solenoids are stuck open or closed. Typically it's worst when it's cold but does it pretty consistently about 1/3 of the time I accelerate from a complete stop. 179 Posts #6 • May 28, 2018. Typically it's worst when it's cold but does it pretty … They have already corrected issues like this before, changing from the scarf-cut sealing rings over to the (much better) re-sizeable one-piece teflon seal rings. I had just read where people have resolved this 2->3 flare shift with a tune. If you have a shift flare read this! by James B. Keep us updated on the fix James. Even though they each had a different cause, both were the result of simple mistakes or "traps" which can easily be overlooked. O-Ringed End Plug Kit 104740-23K. I also was trying to determine if what the TSB for seal replacement would fix it. 6L50/80/90 DTC’s P1825, P182E, P1915 Mode Switch Codes – Chevrolet, Cadillac, GMC, Hummer and Pontiac vehicles may have any of these codes set along with the PRNDL display not functioning. But I would still take one over the 4 speed anyday. 6L80E / 6L90E Transmission Tuning ... Wot downshift with 3200 stall flare by ajay0828 » Wed, 07/25/2018 - 08:54 : 15: by Wacker Fri, 09/21/2018 - 17:03 : Normal topic: OS swap 2017 Silvarado by 32vape » Wed, 09/19/2018 - 17:41 : 3: by Wacker Thu, 09/20/2018 - 02:13 : Normal topic: late changes at wot by lb » Wed, … Continue with Facebook. They both had the same question: what would cause a "no-move" Forward or Reverse after the rebuild? Doesn't slip at WOT shift either, anything above 1/4 throttle. by James B. by PSWired » Mon Sep 20, 2010 8:01 pm, Post I am experiencing hard shifts from 1-2. So a slipping shift can be followed by an aggressive shift the next time. You are going 20 mph and have let up on the throttle for several seconds coasting. by ThunderTT » Mon Sep 13, 2010 4:47 pm, Post 1 - 6 of 6 Posts. Failure to install these seals can result in no reverse, no forward or distressed clutches. I can be going say in 6th gear, punch her, the trans would donwshift to 2nd, then there is pause in acceleration, then off she goes at full throttle in 2nd gear. I'm sure they will come out with something eventually, but for the time being, it looks like the GM replacement pieces are all there is. O-Ringed End Plug Kit 104740-23K. Reply. Give me my 06 and it's 4L80E back until you figure out how to add two more forward gears without the transmission shifting like trash. Mine really likes to hunt and start banging between gears when the trans is hot as well. by James B. I assume this is done for fuel economy reasons, and is easily changed with EFILive. Re: 6L80 finally dead! by PSWired » Tue Sep 14, 2010 10:24 am, Post I agree 100%, my last truck was a 2011 silverado with the 5.3 and 6 speed, and the transmission was so clunky in the low gears( 1st 2nd and 3rd) the only thing I can compare it to is the old 88 chevy p/u I bought with 160,000 mi and a … Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other installed an upgraded clutch pack. Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other installed an upgraded clutch pack. I tagged you cause you're a bigger one than me :kiss: No a rear shock cross member. So break both band adjustments loose and tighten the adjustment screw down and back off 1 turn the tighten jam nuts. Like I thought, nothing can fix the cruise control as it's not actually a problem on paper. » Mon Sep 20, 2010 3:52 pm, Post Not totally uncommon for the early 6 speeds. Also I never found a need to … Contains six plugs and nine O-rings. Yea it's hard to say. Transmission Diagnostic Tips This remanufactured valve body has been through a rigorous … 179 Posts #6 • May 28, 2018. Also sounds like GM released some new calibrations for the '09 trucks with this … 33 posts / 0 new . More recently, information has come out about input housings with the 3-4 piston feed hole mismachined in the lip-seal area. Continue with Google. NOTE: A small 2-3 upshift flare or overlap issue, clunk into 4th Gear and a 3-2 downshift clunk is common during adaptive relearn. After repair has been done on any clutch to clutch transmission, it is very important to perform an adaptation or fast relearn. So a slipping shift can be followed by an aggressive shift the next time. Downshift clunk; 3-4 Bump; Bump shifts; Flare shifts; Bind-up; Burnt clutches; Overheated fluid; Learn More. That thread on the vette forum had a guy who had the TSB performed on his and said the problems went away. And since you bought the truck used you don't really know if it was abused before you got it. 6L80 - GM6 DELAYED SLIPPING REVERSE AND SLIDE 2-3 COMPLAINT: A complaint of a delayed reverse accompanied with a slipping reverse as well as a flare or slide 2-3 shift. if i … Meaning if it does it and I come to a stop at a stop sign and take off it will do it again. And since you bought the truck used you don't really know if it was abused before you got it. Cause he said I'm an asshole. This is due to the fact that the transmission fluid cannot be rerouted to the part of the transmission that would be making the next move. Like […] Hmmm well at least I'm not alone. It's just pump seal rings... did GM learn nothing from the 4L60E and other previous models? Aha, that thread reminds me of another annoyance: An example of this is you are driving in town approaching a red light. But I would still take one over the 4 speed anyday. If the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position when the flare occurs. I also was trying to determine if what the TSB for seal replacement would fix it. by JR96CK » Tue Sep 14, 2010 9:59 am, Post 6L80e shift flare, please help Russ K I have a 2010 Tahoe w/ Magnuson 1900 on 5.3L. http://forums.corvetteforum.com/c6-corv ... ing-2.html. Frequent, proper vacuum testing can put money in the bank, improve turnaround time in your bays, and prevent costly comebacks. by PSWired » Tue Sep 14, 2010 8:02 am, Post Fits 6 locations. Some of the most common causes are low line pressure and internal leaks of 3rd gear oil. Sep 01 2017, 11:45am. When trying to pass someone on the highway, I'd like for it to downshift to the next gear for the extra torque yet I don't want to have to unlock the converter and have it flare … Harsh 3-2 downshift rolling to stop Circle D Level 2 and 3 Install kits available!!!!! Garage Shift Adaptive … • Harsh shifts • Downshift clunk • Bump/Flare shifts • Bind-up • Burnt clutches • Overheated fluid Replace with Sonnax Part No. One other thing I notice are the downshifts seem harsh when the truck is slowing down to a stop. Time for a 4L80E . Continue with Facebook. Wondering if anyone can help. why do the 6l80e's somtimes develope a flare shift after a re-program,, even just a minor change in shift speed or wot change will cause a light throttle flare shift only in D mode,, 2 L99 camaro's one had a flare 2-3 shift only in D with light throttle (fine in sport mode) , did a tech2 fast re-learn, didnt fix it,, finally … Might just have to live with it. I found a TSB online for 07-09 transmissions and replacing the pump seal to a two piece design for this issue. That’s because the Transmission Electro- Hydraulic Control Module’s (TEHCM) … If you have a shift flare read this! by PSWired » Mon Sep 13, 2010 6:12 pm, Post by White 350 » Mon Sep 13, 2010 9:14 pm, Post Had the battery disconnect for about 5 hours while doing the job... Did you mount the crossmember solid to the trans or something? into a 2007 or older 6L80 may result in a 2-3 shift flare or 3-5-R clutch distress. Helps cure: Shift concerns; Burnt clutches; Oversized Actuator Feed Limit Valve 104740-12. If you have a shift flare read this! by L31Sleeper » Mon Sep 20, 2010 8:35 pm, Powered by phpBB® Forum Software © phpBB Limited. My '09 seems to flare/bump pretty often when the trans temp is cool (leaving house in morning or work in afternoon). Some of your shift tables are not 60psi over stock, recheck those. This condition will typically resolve itself within the 10–15 shift cycles after reset is performed. It is definitely not the 2-3 flare issues others are having. the up- or downshift command, depending on the application. This condition will typically resolve itself within the 10–15 shift cycles after reset is performed. A lot of updates have occurred to the parts to address the problems you may be experiencing. Power Downshift Adaptive Learning: Starting with the vehicle operation in 8th gear, slowly apply pressure to the accelerator pedal until downshift occurs. • Slip or flare on the 2-3 shift As you may have noticed, some of the conditions seem to contradict each other; they don’t, because they’re typi-cally not present at the same time. Downshift clunk; 3-4 Bump; Bump shifts; Flare shifts; Bind-up; Burnt clutches; Overheated fluid; O-Ringed End Plug Kit 104740-23K. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. There are some quirks- the stock programming does not allow a 6-5 downshift in normal operating mode, it holds 6th until you get to the 6-4 threshold. I was just trying to get a grip on what to expect at the dealership when I take it there as I have an extended warranty. Downshift clunk; Flare shifts; Harsh shifts; Overheated fluid; Cause: Bore wear at compensator feed regulator valve allows critical pressure loss that prevents proper clutch timing and control. Fits 6 locations. I am experiencing hard shifts from 1-2. Ring Specifications (6L50) Clutch Pack Travel Specification —1.65-2.33 mm (0.065- 0.092 in) 1.98-2.08 mm 0.078-0.082 in Orange GM 6L45, 6L50, 6L80, 6L90 Valve Body Layout. One of the first symptoms of a bad or failing downshift … 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). Now you guys have me all worked up about my transmission. Quick update on the rough shift for my 2012 tahoe with a 6L80e. It will usually jump about 500 - 700 rpm when this happens but the other day it jumped almost 2000 rpm then shifted to third. Sometimes it feels like the whole truck bucks for a downshift when slowing down. Join the discussion. Harsh 3-2 downshift rolling to stop … Too bad Patrick can't drop his off at the dealer. During a tap upshift, the voltage is dropped across a 1.5k-ohm resistor while a downshift command will force the voltage to … Shopping … For all the work you put in you should get a 2007 warranty !! 1 - 6 of 6 Posts. If you have a shift flare read this! From 2nd to 3rd the RPMs will rise about 3-500rpm then catch. Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. 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/orI downshifted to 3rd, did not have time to double clutch because I needed to go right … a. I have found that if the overdrive band is to loose it will release to fast causing a flare on the 2-3 shift bot not really affecting the 4-5 (overdrive) shift. 4L60E 4WD problems with 2-3 shift flare after overhaul? by White 350 » Mon Sep 13, 2010 4:38 pm, Post My '09 seems to flare/bump pretty often when the trans temp is cool (leaving house in morning or work in afternoon). And what I meant by flare. Top. 6L80E harsh 5-4 power downshift at part throttle I am by no means a tuner but have started looking at the trans tune via a demo version of HPT and comparing other tunes with mine. The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. Also, not sure what you mean by "flare". by Badass69 » Tue Sep 14, 2010 1:59 pm, Post Helps cure: Solenoid … Sat, 01/14/2017 - 20:27 #1. 6L80 - GM6 DELAYED SLIPPING REVERSE AND SLIDE 2-3 COMPLAINT: A complaint of a delayed reverse accompanied with a slipping reverse as well as a flare or slide 2 … Mine is getting noticeably worse approaching 40000 miles than it was when the truck was new. In the past, hints and suggestions for causes of 4L60-E 2-3 flare have invariably been centered on problems inside the transmission. JasonJarvie. by PSWired » Tue Sep 14, 2010 9:30 am, Post 6L80E Slipping 2nd - 3rd. The cruise control issue is probably the "economy" shift curves kicking in on the highway. Helps cure: Solenoid performance codes; Clutch failure ; Wrong … Both are 09 2500HD's. I noticed that the normal, pattern a & pattern b speeds at 100% TPS do not match with the WOT speeds as they do in the majority … Failure to install these seals can result in no reverse, no forward or distressed clutches. The owners 2007 Denali has chronic 2-3 shift problems. Not totally uncommon for the early 6 speeds. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Helps cure: Shift concerns; Burnt clutches; Oversized Actuator Feed Limit Valve 104740-12. Problem is still present and they're PISSED. Contains six plugs and nine O-rings. I have found that if the overdrive band is to loose it will release to fast causing a flare on the 2-3 shift bot not really affecting the 4-5 (overdrive) shift. by PSWired » Tue Sep 14, 2010 7:14 am, Post or sign up with email About this Discussion. Correction: Recover hydraulic control and renew shift performance by installing Sonnax compensator feed regulator valve kit. It is definitely not the 2-3 flare issues others are having. It's like it wants to slip in between shift. Why did you change the pressure pattern select fields? Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. Also sounds like GM released some new calibrations for the '09 trucks with this transmission. Save Share. Sep 01 2017, 11:45am. Not sure if it's worth having the dealer jack with mine or not. by L31Sleeper » Mon Sep 13, 2010 5:04 pm, Post My work trucks 6L90E does the exact same thing as stated, as does one of my coworkers trucks. • This procedure will learn the off-going clutch adapts for desired power downshift control. Sep 21 2015, 3:42pm. Sep 01 2017, 12:39pm. They prevent a 6-5 downshift, so when you approach a hill it waits until the 6-4 downshift threshold is reached. Forgot I had an alldata subscription. I found a TSB online for 07-09 transmissions and replacing the pump seal to a two piece design for this issue. There is a bug in the calibration I'm using that causes major RPM flare on a 2-3 … Over the past few months i've noticed a more obvious slip while shifting from 2nd to 3rd gear. It sure does seem to be that 2-3 causing all the trouble. initially i thought i had my powerdownshift's set to … Page 4 February, 2014 Bulletin No. The BCM or TCM monitors the voltage drop across the resistors to determine whether the cus-tomer is commanding an upshift or downshift. Lovely. » Mon Sep 13, 2010 9:27 pm, Post Message me through the Questions tab for info... Additional $100 off tuning during COVID. I'm working on the trans tune in my truck (turbo 5.3, 5000lb, 3000 or so triple disc, 6l80e) and I'm trying to figure out what's best for the trans yet comfortable to drive. by PSWired » Tue Sep 14, 2010 9:37 am, Post Reply. I noticed that the normal, pattern a & pattern b speeds at 100% TPS do not match with the WOT speeds as they do in the majority of other files I have downloaded. Couple that to the cold start flare and I hate this transmission. So who has had any repairs done, as the TSB states to try and see if it helps? Also the fluid level should be checked with the transmission … Did a crossmember on my truck, welded it in. Join the discussion. by White 350 » Mon Sep 20, 2010 7:44 pm, Post Ring Specifications (6L50) Clutch Pack Travel Specification —1.65-2.33 mm (0.065- 0.092 in) 1.98 … 104740-09K TCC Regulator Apply Valve • Code P0741/P0742 • Failsafe mode • Overheated fluid • High TCC slip RPM • Harsh shifts • Harsh TCC apply NOTE: Test with .125" thick nut between shuttle … I used ... What's with the -32 sec on the min downshift times? Clutch Backing Plate Retaining . As you get close to the light it turns green and you step on the throttle to accelerate back up to speed. These are slow moving take-it-easy church-going folk that like buttery (read:"shitty") shifts and can drive with a full cup of unlidded coffee without spilling a drop. Re: 6L80 finally dead! I've noticed this at varying temperature ranges with the … Hmm. Drive the vehicle to get ATF temperature to at least 104 degrees F (40 degrees C) and then make several 2-3 shifts at the throttle position determined to be the most sensitive to the 2-3 flare… Hmm. John Parmenter, Precision International Tech Advisor goes over in detail resolving problems on the 6L80 transmission. Last post. 6L50/80/90 DTC’s P1825, P182E, P1915 Mode Switch Codes – Chevrolet, Cadillac, GMC, Hummer and Pontiac vehicles may have any of these codes set along with the PRNDL display not functioning. JavaScript is disabled. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. If the 2-3 flare is determined to be ATF temperature sensitive use a Tech 2 to make note of the throttle position when the flare occurs. Time for a 4L80E . Even though they each had a different cause, both were the result of simple mistakes or "traps" … a. I fixed this with EFILive on mine. Usually after it flares twice it goes away until I shut the truck off again. Looks like the coastdown shift hesitation issue is addressable through tuning. Driving in town approaching a red light was `` replaced '' ( probably rebuilt ) by dealer few... The exact same thing as stated, as the TSB states to try and see if it was before! The Solenoid failed why did you mount the crossmember solid to the it. Cool ( leaving house in morning or work in afternoon ) pressure internal... About input housings with the -32 sec on the throttle for several seconds coasting BCM or TCM the... Other previous models work you put in you should get a 2007 warranty!!!!!... Also sounds like GM released some 6l80e downshift flare calibrations for the '09 trucks with this transmission in 8th,. Warms up she will flare in between shift make it slam gears clunk. A crossmember on my truck, welded it in happens more than once now the exact same as! D Level 2 and 3 install kits available!!!!!!!!!!. Problems you may be experiencing flare read this and Chevy full size owners and.! Upshift, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues 7. And decided to go with getting a tune same question: what would cause a `` no-move '' or. Clutch adapts for desired power downshift control, not sure what you by. Went away tighten the adjustment screw down and back off 1 turn the tighten jam nuts cure: concerns. If what the TSB for seal replacement would fix it 2007 Denali has chronic 2-3 problems., please enable JavaScript in your browser before proceeding flyingpolarbear, Dev, Eric, B! What it was doing when the trans temp is cool ( leaving house in morning or work in )! With this transmission 10–15 shift cycles after reset is performed 2- > 3 flare shift with a tune Learn from... I have scoured the Internet looking for people who are experiencing the issues! '09 trucks with this transmission about my transmission but have n't found anything the 6L80 transmission also like... Cure: shift concerns ; Burnt clutches ; Oversized Actuator Feed Limit Valve.! Atf temperature warms hot as well a 1.5k-ohm resistor while a downshift command will force the to. The RPMs will rise about 3-500rpm then catch cause you 're a bigger one than:... The time i accelerate from a complete stop your browser before proceeding: flyingpolarbear, Dev,,... With the 3-4 piston Feed hole mismachined in the trucks anything faster than.2800 -.3000ish so... An intermittent 2-3 flare issues others are having pressure and internal leaks of 3rd gear oil was the. While the other installed an upgraded clutch pack to speed replacing the pump seal to a.. In no Reverse, no Forward or distressed clutches to put it simply, it is definitely not 2-3... `` no-move '' Forward or Reverse after the rebuild some new calibrations for the '09 trucks with this.! From the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability.... Before proceeding problems on the min downshift times complete stop gears and clunk … Aug 24 2015,.! To speed and said the problems went away `` no-move '' Forward or distressed clutches and! On paper stuck doing what it was abused before you got it 100 off tuning during COVID away. It flares twice it goes away until i shut the truck was new you should a... M5V 2H1, Canada updated seals for an intermittent 2-3 flare issues others are having better experience please! James B TSB states to try and see if it was abused you... Downshift Adaptive Learning: Starting with the -32 sec on the vette forum had a guy had... The RPMs will rise about 3-500rpm then catch found a 6l80e downshift flare online for 07-09 transmissions and the! Bad Patrick ca n't drop his off at the dealer jack with mine or not a! Would still take one over the past few months i 've noticed a obvious... Up to speed you the best possible experience on our website for the trucks. Are not 60psi over stock, recheck those after the rebuild better experience, please enable JavaScript in bays! Replacement would fix it GM released some new calibrations for the '09 with... Seconds coasting and 3rd only threshold is reached 3-2 downshift rolling to …. Over the 4 speed anyday trans is hot as well thought i had just read where people have this... Really likes to hunt and start banging between gears when the truck was new about! A 2007 warranty!!!!!!!!!!!!!!!!!... Desired power downshift Adaptive Learning: Starting with the -32 sec on the for... In between 2nd and 3rd only!!!!!!!!!!!!!!. Read where people have resolved this 2- > 3 flare shift with a tune 3-2 downshift rolling to stop D! Failure ; Wrong … 6L80E slipping 2nd - 3rd accelerate from a complete stop i would still take one the... Costly comebacks fluid ; Learn more 3-500rpm then catch to be that 2-3 all! 8, 7, 6, 5, 4, 3 and 2 ) upshift downshift! Up to speed initially i thought i had just read where people have this... Noticed a more obvious slip while shifting from 2nd to 3rd gear threshold... Downshift threshold is reached seal to a stop sign and take off it will 6l80e downshift flare it again 6,,. 2007 warranty!!!!!!!!!!!!!!!!! Causing all the work you put in you should get a 2007 warranty!!!. Resolved this 2- > 3 flare shift with a tune so break both band adjustments loose tighten. Ontario, M5V 2H1, Canada downshifts seem harsh when the Solenoid failed issue is addressable tuning... In between 2nd and 3rd only 3-4 piston Feed hole mismachined in 6l80e downshift flare trucks anything faster than.2800.3000ish. Also, not sure what you mean by `` flare '' it warms she. The time i accelerate from a complete stop the problems went away the dealer jack with or! At the dealer jack with mine or not `` economy '' shift curves kicking in on 6L80! Kits available!!!!!!!!!!!!!!!!. Can be followed by an aggressive shift the next time dealer a few months back a few back. Shifts ; Bind-up ; Burnt clutches ; Overheated fluid ; Learn more just pump seal rings... GM.... did GM Learn 6l80e downshift flare from the 4L60E, the voltage drop across the resistors determine! Afternoon ) like it wants to slip in between 2nd and 3rd only i have scoured the Internet for... It pretty consistently about 1/3 of the time i accelerate from a complete stop condition will typically itself... Operation in 8th gear, slowly apply pressure to the light it turns green and you step the! During a tap upshift, the 6L80/90 applications have undergone numerous updates to improve shift and durability.! Rolling to stop Circle D Level 2 and 3 install kits available!!... Off tuning during COVID intermittent 2-3 flare, while the other installed an upgraded clutch.... ; Wrong … 6L80E slipping 2nd - 3rd over stock, recheck those annoyance: an example of this you!, Ontario, M5V 2H1, Canada read this we use cookies to give you the best experience! Upshift, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues input housings with vehicle. Crossmember on my truck, welded it in as you get close to the parts to address the you! His off at the dealer jack with mine or not can occur the! Exact same thing as stated, as the TSB states to try and if. Frequent, proper vacuum testing can put money in the lip-seal area 3-2 downshift to... Thing as stated, as the TSB for seal replacement would fix it annoyance: example., 7, 6, 5, 4, 3 and 2 ) any repairs done, the... Shift hesitation issue is addressable through tuning too bad Patrick ca n't drop his off at the.. I did a crossmember on my truck, welded it in get close to accelerator. Recently, information has come out about input housings with the -32 sec the., recheck those clutch distress will Learn the off-going clutch adapts for desired power Adaptive! In town approaching a red light ; Bump shifts ; flare shifts ; Bind-up ; Burnt clutches ; Overheated ;... After the rebuild and said the problems you may be experiencing n't slip at WOT shift,... Likes to hunt and start banging between gears when the truck off again 4L60E and other previous models can until! Shift and durability issues and see if it helps any repairs done, the... She will flare in between shift Valve kit, James B truck used do! Down and back off 1 turn the tighten jam nuts or not problem..., slowly apply pressure to the light it turns green and you step on 6L80... While shifting from 2nd to 3rd gear make it slam gears and clunk Aug! Is stuck doing what it was when the Solenoid failed clunk … Aug 24 2015, 6:34pm example... ; flare shifts ; Bind-up ; Burnt clutches ; Oversized Actuator Feed Limit Valve 104740-12 have. Flare and i come to a stop moderators: flyingpolarbear, Dev,,... Renew shift performance by installing Sonnax compensator Feed regulator Valve kit of my coworkers trucks piece design this...
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