transmission

  1. G

    2021 Tahoe Shifter Module and Transmission problem

    I have a 2021 Tahoe LT that we purchased July of last year. I don't the know build date but we basically bought it while In-Transit if that means anything time wise. Currently my Tahoe has been at the dealership since mid week before Thanksgiving. The problem I was having was the truck would...
  2. 76Nick

    2003 Tahoe Z71 won't move in Drive or 3rd

    Hello, I have a 2003 Tahoe Z71 with a 4L60. Has 140k on the clock. Previous owner said the trans was rebuilt but I have an odd feeling he lied. Anyway, my wife was pulling out of dunkin donuts today and she said she heard a clunk when it tried to change from 1st to 2nd and the truck stopped...
  3. H

    Advice on best method to sell or part out 2000 Silverado

    I could really use some advice on the best method to sell or part out my 2000 Silverado WT, Reg cab, LWB, 2WD, 4.8L V8, manual windows, new automatic transmission, 3 piece cloth bench seat, vinyl floor. It has the wide diameter drive shaft that some has already offered $200 buck for. The hood...
    • HardyHoe
    • Thread
    • 2000 silverado 2dr 4.8l v8 4l60e lwb parting out selling transmission
    • Replies: 20
    • Forum: Other Vehicles
  4. O

    Oil Leak on a 98 Yukon

    Hello! I have a 1998 GMC Yukon, which just had a oil pan gasket, and new oil cooler lines replaced. But yet, the drip still persists. After spending 15 mins under the truck, it looks like the pan has oil on it, but where the transmission and oil pan meet, I can see this drip. Now my first...
  5. J

    2017 Yukon making noise decelerating

    I recently had the torque converter replaced. The next day I started hearing this odd and frightful whizzing sound. Sound only occurs when I’m decelerating. It seems related to the transmission, but I have no idea. I’m going to take it back to the transmission shop, but curious if you guys...
  6. S

    Rusted Tranny Dipstick Tip (top)

    Hi, first time in the forum. I am currently looking for a 3rd gen tahoe, and got one at a decent price with only 115k on it. It's a 2009, 4wd 5.3. After test drive, most stuff are fine, shifts decently too, but under the hood the tranny dipstick plastic tip is missing and has a very very rusty...
  7. denalilex

    INPUT ON TRANS PAN DROP, FILTER, GASKET & FLUID CHANGE

    input on trans pan drop - complete fluid flush - filter, gasket & fluid change on high mileage vehicles ? (GMC YUKON DENALI 6.2L v8, 6L80) when i was checking my fluids yesterday - trans looked a little high… siphoned some out & it was like black tar. i know sometimes it’s advised against to...
  8. U

    ABS Sensor / Sluggish Transmission C0900 & C0899

    Hey everyone, did some searching but couldn't find exactly my issue. First, my 2010 Tahoe Flex RWD (185k) is overall running well. However, during a recent 500 mile road trip, shifting gears was mostly okay but seemed a bit sluggish at times almost like revs and gears aren't matching. Fluid is...
  9. A

    What Are Common Chevrolet SSR Transmission Problems?

    Intermittent harsh shifting Problem – A common Chevrolet SSR transmission problem is an intermittent hard 1-2 shift, often accompanied by engine bogging. This condition can be caused by the torque convertor clutch applying during the shift. Solution – To remedy the problem, the wiring harness...
  10. dS7R

    Kinda stuck in park? Once unplugged it’ll work?

    Good evening, So I have a 2013 Tahoe SSV with now about 129k miles. I’ve recently ran into a problem I thought would be an easy fix, but isn’t? I’m hoping I’m missing something you guys could help?! I’m currently kinda stuck in park, after hitting and playing with the brake a bunch I can get...
  11. JPVortex

    2005 Tahoe Transmission

    Hi, so I have a 2005 Tahoe 5.3L V8 4x4 with a bad transmission, and I found a very nice transmission on Marketplace, but just want to make sure it fits. So the used transmission in question was taken from a 2005 GMC Escalade 6.0L V8 4x4. The only thing I see that I'm not sure about is that the...
  12. C

    4 wheel Driveshaft Noise

    I have a 2006 Police Package Tahoe. I have been restoring it for the last 5 years. It is four wheel drive with all the traction control enhancements. I suddenly had some noise coming from underneath my truck when I was getting ready to drive out on the beach. It was a spinning like noise. When I...
  13. Mason Mayo

    On going electrical issues

    I have a 2008 Tahoe Ltz. I currently have hard shifting/lack of wanting to shift gears, lack of power, and several codes regarding a lack of communication with the transmission: (Photos of codes attached) Everytime I read data while it’s moving I get different readings left and right, rear...
    • Mason Mayo
    • Thread
    • abs rough shift stabilitrak traction control transmission vehicle speed sensor
    • Replies: 2
    • Forum: Engine & Drivetrain
  14. P

    2012 Yukon Denali 6L80 Issues/Advice

    Good Morning Gurus! I'm new to the board but have been using it as a resource (Great One at that). Quick Facts: -2012 GMC Yukon Denali 152,000K miles -Bought Brand New - 0 problems to date ISSSUE: I was running fine last week, felt something a LITTLE sketchy when shifting out of first (at a...
  15. HighestStorm

    05 Yukon XL 4x4 Rattling in bellhousing area with AC on

    Hello new to the forums, just bought my 05 Yukon in december. Bought it at $214,000 mi it's around 216,000-217,000 now. From the Carfax history when I bought it and from the owner of the dealership who sold it to me personally because it was his personal vehicle, he showed me and the Carfax...
    • HighestStorm
    • Thread
    • ac compressor clutch catalytic converter help newbie rattle repair transmission yukon
    • Replies: 13
    • Forum: Exterior
  16. N

    4L60E maintenance?

    Bought a cheap fixer-upper 07 Tahoe with 250K On the odometer. The engine is getting freshened up. My question concerns the trans, a 4L60E. As far as i know there were no problems concerning the trans. Other than replacing front/ rear seals what maintenance Should I perform to this transmission?
  17. RGreen

    97 Yukon won't shift right when ABS light is on

    I've had a couple of incidents where the ABS light comes on on the dash, and then the transmission won't shift properly. It happens on cold, wet days. I've been told that this vehicle (97 GMC Yukon 4WD 5.7) does not have interface between the transmission and the braking system, yet it's...
  18. R

    Help Me With My Project Car / Engine Swap

    I have tried posting some stuff on other forums, and I know this isn't a dodge forum, but I have had way better luck with finding smart people on this forum and have been reading things on this forum for yearsss. I am sure there are some smart people on here that will be able to chime in, so...
    • Ryan Casey
    • Thread
    • car caravan dodge engine engine swap help project transmission
    • Replies: 2
    • Forum: Other Vehicles
  19. M

    May buy 05 Yukon - what should I look for?

    I'm considering purchasing an 05 Yukon XL SLT with just over 145,000 miles. It has lived in the south all of its life and is in great shape cosmetically. What should I keep an eye out for in the guts? My understanding is the 5.3 V8 is stout and the transmission is pretty good too. So this...
    • mdcaffee
    • Thread
    • 2005 yukon engine gmc yukon issues maintenance slt transmission yukon yukon xl
    • Replies: 25
    • Forum: General Discussion
  20. alpha_omega

    Transmission Question - 6L80E

    Does anyone have a list of repairs/replacements “suggested” when hitting the 100k mile mark on these transmissions? I know the obvious info listed in the owners manual and what’s listed in the Haynes manual, but is there anything additional that anyone knows of that should be inspected...
  21. GTHoe

    Electrical trouble, please help! 2000 tahoe

    Hello everyone, this is my first post here and I'm hoping someone can help because I have found a great deal of help here before! I have a 2000 Tahoe that I just put a t56 into so the auto is unplugged just for some back story. I go to fire it up after the install there is no power at the dash...
    • GTHoe
    • Thread
    • bcm ecm ecu electrical interior lighting manual t56 tahoe transmission
    • Replies: 4
    • Forum: Engine & Drivetrain
  22. clemenshess97

    Engine stalls when in drive

    Hey everybody, my tahoe was acting very strange today... When I turned it on after sitting for an hour the engine idled very rough between 500-800rpm and needed like 30secs to stay at 650rpms. After 15mins of driving the check engine light came on and the display said the engine has reduced...
  23. M

    Transmission in gear, Truck won’t move.

    I have a 2015 GMC Yukon XL (140k), I was driving home from work, maybe 4 miles from my building and my transmission starts slipping. I pulled over, checked my fluid level. Fluid level is good and clean, no leaks. I put the truck back in drive and press the gas and the engine just revs, in both...
  24. S

    2005 Suburban cluster upgrade question

    i have a 2005 suburban all stock just bought it. it is the LT with 5.3 L And i remember when I remember when I had my Yukon i was able to swap the cluster with one out of an Escalade and loved the transmission temp gauge and i was wondering if i can do the same thing with the suburban. Any input...
  25. H

    Transmission cooling line adapter?

    Trying to hook up a tube to the return line from the transmission cooler to flush the transmission. Could anyone please identify the correct fitting to go from the female threads on the radiator to a male hose connection? The standard GM one from the auto parts store I had did not thread in...

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