Engine & Drivetrain

Discuss engine and drivetrain items from brakes, transmissions, towing, error codes, anything in the engine bay and so on here.

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  2. SVL

    "Service 4WD" - Master Thread

    SVL, Aug 28, 2014 ... 20 21 22
    Replies:
    211
    Views:
    72,983
    kiwi
    Jan 22, 2020 at 2:00 AM
  3.    
  4. Gary E

    2020 Yukon Denali..Fuel miles per gallon

    Gary E, Jan 2, 2020 ... 2 3
    Replies:
    28
    Views:
    1,107
    pwtr02ss
    Jan 27, 2020 at 3:00 PM
  5. Plimbob

    2018 5.3 Tahoe vs 6.2 Denali

    Plimbob, Jan 25, 2020 at 1:34 PM
    Replies:
    7
    Views:
    169
    FatDog
    Jan 27, 2020 at 8:20 AM
  6. dvzzz

    Dealer not honoring warranty work..2018 5.3 Yukon issues

    dvzzz, Nov 9, 2019 ... 24 25 26
    Replies:
    257
    Views:
    13,507
    swathdiver
    Jan 27, 2020 at 2:02 AM
  7. BlaineBug

    2019 GMC Yukon NO Trans Gears, NO Tachometer, NO Oil Pressure, NO Power Steering

    BlaineBug, Jan 13, 2020 ... 4 5 6
    Replies:
    57
    Views:
    2,377
    BlaineBug
    Jan 26, 2020 at 3:47 PM
  8. Bode316

    2015 Yukon XL Denali- advice

    Bode316, Jan 25, 2020 at 1:50 PM
    Replies:
    4
    Views:
    92
    Doubeleive
    Jan 26, 2020 at 11:03 AM
  9. Cantrepeat

    6.2 Remote oil filter kit - 2019 Tahoe

    Cantrepeat, Jan 25, 2020 at 10:49 AM
    Replies:
    1
    Views:
    66
    sealandsky
    Jan 26, 2020 at 10:05 AM
  10. Tim10

    Heater heater hose tee leaking

    Tim10, Jan 24, 2020 at 6:23 PM ... 2
    Replies:
    10
    Views:
    280
    PNW VietVet
    Jan 24, 2020 at 7:50 PM
  11. 07 Denali

    Diesel Crate Engine?

    07 Denali, Jan 24, 2020 at 7:41 AM
    Replies:
    3
    Views:
    156
    PNW VietVet
    Jan 24, 2020 at 4:34 PM
  12. Bob2C

    Shell Rotella Gas Truck 0w-20 Rebate

    Bob2C, Jan 7, 2020
    Replies:
    5
    Views:
    310
    Fless
    Jan 22, 2020 at 7:46 PM
  13. Scotto2323

    2016-2019 Suburban-Yukon XL 4x4 Low?

    Scotto2323, Jan 22, 2020 at 2:43 PM
    Replies:
    3
    Views:
    166
    wjburken
    Jan 22, 2020 at 6:28 PM
  14. Bob2C

    Mobil 1 Extended Performance

    Bob2C, Jan 21, 2020 at 8:54 AM
    Replies:
    6
    Views:
    290
    Bob2C
    Jan 21, 2020 at 9:21 PM
  15. 4OFFSHR

    Fuel Gauge issue on 2017 GMC Yukon XL

    4OFFSHR, Oct 10, 2019
    Replies:
    4
    Views:
    335
    wjburken
    Jan 21, 2020 at 8:14 AM
  16. TahoeFL2017

    2017 Tahoe LT 5.3 4x4 - what trans do I have?

    TahoeFL2017, Jan 20, 2020
    Replies:
    2
    Views:
    123
    Tahoe14
    Jan 20, 2020
  17. DocHolliday

    2015 Tahoe..Grinding in steering column

    DocHolliday, Mar 5, 2015 ... 2
    Replies:
    10
    Views:
    5,339
    sealandsky
    Jan 20, 2020
  18. ThatGuy

    90,000 miles maintenance checklist

    ThatGuy, Jan 19, 2020
    Replies:
    4
    Views:
    234
    CMoore711
    Jan 20, 2020
  19. louieb

    2019 Tahoe..Pad and rotor part numbers for Brembo brake upgrade

    louieb, Jan 17, 2020
    Replies:
    7
    Views:
    310
    hcvone
    Jan 19, 2020
  20. Blackcar

    2017 Denali..Service Trailer Brake System

    Blackcar, Dec 10, 2019
    Replies:
    6
    Views:
    484
    BlackandChrome
    Jan 16, 2020
  21. GranPrix

    Is any1 using or used any Castrol full syn?

    GranPrix, Jan 11, 2020 ... 2 3
    Replies:
    23
    Views:
    884
    Bigshawn
    Jan 16, 2020
  22. Ron McKuin

    2019 Yukon..Loud in front end/rumbles?

    Ron McKuin, Dec 8, 2019 ... 2
    Replies:
    15
    Views:
    710
    Ron McKuin
    Jan 16, 2020
  23. pwtr02ss

    Magnetic drain plug for 19 denali

    pwtr02ss, Jan 13, 2020
    Replies:
    7
    Views:
    211
    ls1yukon
    Jan 16, 2020
  24. ivin74

    Tahoe RST Brembo brakes upgrade

    ivin74, Nov 26, 2019 ... 2 3
    Replies:
    22
    Views:
    1,824
    Kpwweb
    Jan 12, 2020
  25. roosh725

    Flashing check engine with traction light on

    roosh725, Jan 2, 2020 ... 2
    Replies:
    12
    Views:
    317
    89Suburban
    Jan 12, 2020
  26. tomloans

    What year and model?

    tomloans, Jan 11, 2020 ... 2
    Replies:
    11
    Views:
    446
    tomloans
    Jan 12, 2020
  27. Gmfm

    2017 Yukon xl no start issue

    Gmfm, Jan 6, 2020
    Replies:
    5
    Views:
    245
    Jetav8r7
    Jan 12, 2020
  28. tdowns12

    Dealer has had my '15 Denali for 3 months. What should I do?

    tdowns12, Aug 10, 2019 ... 4 5 6
    Replies:
    57
    Views:
    6,197
    tdowns12
    Jan 10, 2020
  29. DavesLEDrepair

    2017 Yukon..Vibrating sound coming from front left wheel?

    DavesLEDrepair, Jan 8, 2020 ... 2
    Replies:
    10
    Views:
    385
    avalonandl
    Jan 10, 2020
  30. Daniel Potts

    RV towing

    Daniel Potts, Jan 4, 2020
    Replies:
    7
    Views:
    347
    Larryjb
    Jan 8, 2020
  31. Bob2C

    Valvoline Advanced Full Synthetic 0w-20

    Bob2C, Jan 7, 2020
    Replies:
    2
    Views:
    197
    Bob2C
    Jan 7, 2020
  32. Watonga68

    2016 6.2 Yukon AFM DoD Mis-fire No. 7

    Watonga68, Nov 26, 2019
    Replies:
    8
    Views:
    569
    LT1ZOB
    Jan 3, 2020
  33. 07denaliyuk

    2015 Denali-6.2L Broken valve spring

    07denaliyuk, Jan 13, 2018 ... 2 3
    Replies:
    20
    Views:
    9,594
    keegan
    Dec 30, 2019
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