transmission

  1. V

    Transmission fluid change

    I just got a '05 tahoe this morning. The truck has little over 200k on it. Shifts like butter. But the fluid is brownish. I want to drop the pan and change the filter but, can't do it because my leg is in a cast. And my ol' lady needs this thing ready for the road asap. Wanted to see what you...
  2. DJPoertsch

    Which oil cooler for the automatic transmission would you recommend to me Tahoe 2007 LTZ

    Hello dear friends here in the forum. I have had an 8 m Caravan since 2019 and had to find out in summer that my oil temperature in the automatic transmission had risen rapidly and even triggered an alarm. It was only for 15 minutes because we climbed a super steep mountain, but I still want...
  3. 2007 Denali XL

    2007 Yukon Denali XL Transmission Failure

    Hi, I am trying to diagnose this transmission issue and would welcome any advice or pointing to other threads with the same issues. Symptoms. Driving on Freeway and noticed that the car was having what I think was slippage when accelerating. Got to my destination and left the car for a few...
  4. mackmcmillan

    07' Tahoe LT 4x4-Engine RPM Problem Post-Corvette Servo Install/Service

    Hi all, I need your help! I did an admittedly cursory search but nothing jumped out at me so I'm here to humbly ask if anyone has had an issue after ANY type service that would cause this condition? Could the servo install have caused this? In traffic, I have to press as though I have no...
  5. D

    Replacing our 2017 Yukon Denali transmission! Please help!

    Hi all, Please help! I was having issues with the gears getting stuck and a couple of times have had to pull off to the side of the road and restart the car bc it would not get out of 1st gear! We are past our 3 year factory warranty and our dealership is telling me I have to replace a part in...
  6. gjdunga

    Needing Part Number info for a 1999 GMC Yukon SLE 4WD

    Hello! I have a 1999 GMC Yukon SLE 4WD SLE, 5.7 V8 4x4 with the 4L60-E Transmission +Tow and I have a doozy of a problem. VIN: 1GKEK13R7XJ736183 I was driving in very heavy rain, went through a puddle and somehow the water moved the transmission wiring harness against the drive train. This...
  7. J

    Transmission problems after altenator replacement???

    1999 Tahoe Lt 4x4 5.7 135,*** miles My altenator was slowly giving out and charging less and less over a course of a few months. I finally went into Napa and bought a new altenator. All they had in stock was a 140 amp for the external fan type and a 105 for the internal fan. My tahoe is a 105...
  8. Dad28

    Transmission fluid temperature range?

    2005 Yukon SLT, 5.3L, 2WD,240k miles Driving this afternoon, outside temperature was 101. Within 10 miles of combined hwy/twn, 15 minutes or so, the transmission fluid temperature showed 165 degrees. I am going to pull a 4000lb trailer across Colorado, Utah and Nevada in about a month. It...
    • Dad28
    • Thread
    • 2005 yukon 250k miles 2wd slt towing transmission transmission cooler
    • Replies: 3
    • Forum: Engine & Drivetrain
  9. B

    2016 Yukon Denali - Upgrade Shop/Shifting

    I have been lurking on this site for a while and wanted to see if there were any updates. Anyone who can help with my below questions would be awesome! 1. Anyone had luck getting transfer case/trans replaced CPO? Definitely starting to have trans issue and the first dealer said to make sure...
    • BagaDonuts
    • Thread
    • 6.2 performance shifter transfer case transmission upgrade yukon.yukon denali.
    • Replies: 2
    • Forum: Engine & Drivetrain
  10. B

    Pet Gremlin with Back Story

    Well a electrical gremlin got into my tahoe.. hybrid it got it started after using the Cruse Control. the TPMS.. rear right started showing --PSI.. Auto Stop /start issue then horrible shaking... when in D gear and refused to move I put it in M4 and was on my way... gremlin got into my...
    • BG1988
    • Thread
    • 2ml70 6.0l battery cvt evt hybrid lfa lz1 m99 transmission
    • Replies: 0
    • Forum: Engine & Drivetrain
  11. L

    High rpm/engine rev when accelerating

    I have a 2012 LT 4x4 Tahoe, everything factory except a Flowmaster super 40 that was professionally installed in 2016ish. I have two issues: 1. I love this damn suv, but it acts like a serious spaz whenever I need to speed up quickly or even if I have cruise control on and go over a bridge...

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