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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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  1.    
  2. ScottyBoy

    07+ Brake upgrade on a 00-06 NBS, is it worth it?

    ScottyBoy, Jun 6, 2016 ... 38 39 40
    Replies:
    395
    Views:
    95,847
    mountie
    Mar 29, 2020 at 9:59 AM
  3. Chads93GT

    No oil pressure at start up, 2001 Tahoe

    Chads93GT, Dec 11, 2014 ... 7 8 9
    Replies:
    86
    Views:
    20,996
    Supergmc
    Feb 11, 2020
  4. JKmotorsports

    Ordered my 6.0

    JKmotorsports, Aug 8, 2009 ... 40 41 42
    Replies:
    416
    Views:
    85,171
    Lee Dutton
    Oct 3, 2016
  5.    
  6. Dantheman1540

    9.5SF Swap

    Dantheman1540, Mar 30, 2020 at 4:12 PM ... 2
    Replies:
    12
    Views:
    95
    Dantheman1540
    Mar 31, 2020 at 2:18 PM
  7. Bryan97471

    Need help

    Bryan97471, Mar 30, 2020 at 9:21 AM ... 2
    Replies:
    14
    Views:
    159
    Bryan97471
    Mar 31, 2020 at 11:03 AM
  8. Larryjb

    Rear Main Oil Seal

    Larryjb, Mar 15, 2020 ... 8 9 10
    Replies:
    90
    Views:
    2,569
    Rocket Man
    Mar 31, 2020 at 9:40 AM
  9. Big Aug

    "Traction Active" error code

    Big Aug, Mar 29, 2020 at 11:14 PM
    Replies:
    4
    Views:
    77
    Scottydoggs
    Mar 30, 2020 at 1:00 PM
  10. BlueCollarTahoe

    Getting 8.5 mpg need help

    BlueCollarTahoe, Apr 9, 2018 ... 14 15 16
    Replies:
    153
    Views:
    11,848
    sonic_the_hedgeh
    Mar 29, 2020 at 11:10 PM
  11. UmmScott

    Oil leak in the back by the oil pan and starter.

    UmmScott, Mar 29, 2020 at 5:59 PM
    Replies:
    2
    Views:
    70
    iamdub
    Mar 29, 2020 at 6:45 PM
  12. TysonTrost

    Piston Ring End Gap

    TysonTrost, Mar 29, 2020 at 4:11 PM
    Replies:
    0
    Views:
    32
    TysonTrost
    Mar 29, 2020 at 4:11 PM
  13. Mechanic421

    Lq4 rering

    Mechanic421, Dec 10, 2019 ... 2 3
    Replies:
    26
    Views:
    822
    Mechanic421
    Mar 29, 2020 at 1:13 PM
  14. mdmcinti

    Normal oil pressure or am I just over reacting.

    mdmcinti, Mar 27, 2020 at 8:34 PM ... 2
    Replies:
    13
    Views:
    565
    mdmcinti
    Mar 28, 2020 at 12:45 PM
  15. Tatonka

    2002 Yukon XL Denali Transfer Case Leak

    Tatonka, Mar 27, 2020 at 1:16 PM
    Replies:
    8
    Views:
    116
    Tatonka
    Mar 27, 2020 at 9:52 PM
  16. TJ2819

    '02 Tahoe, 250K miles, Starter wont engage

    TJ2819, Mar 27, 2020 at 4:24 PM
    Replies:
    2
    Views:
    92
    TJ2819
    Mar 27, 2020 at 4:44 PM
  17. Gino 15

    2002 Denali..Help

    Gino 15, Mar 27, 2020 at 2:11 AM
    Replies:
    6
    Views:
    189
    Scottydoggs
    Mar 27, 2020 at 10:09 AM
  18. scengineer

    Parts Manufacturers

    scengineer, Mar 26, 2020 at 7:59 PM
    Replies:
    1
    Views:
    66
    scengineer
    Mar 26, 2020 at 8:01 PM
  19. mountie

    2005 Yukon XL / stopping power

    mountie, Mar 22, 2020 ... 2 3
    Replies:
    23
    Views:
    715
    mountie
    Mar 26, 2020 at 6:58 PM
  20. Austen Leach

    Cam Swap Question

    Austen Leach, Feb 11, 2020 ... 2
    Replies:
    10
    Views:
    379
    Rocket Man
    Mar 22, 2020
  21. wildcatgoal

    P/N for Wire Loom Circle Clip

    wildcatgoal, Mar 21, 2020
    Replies:
    5
    Views:
    160
    Tonyrodz
    Mar 21, 2020
  22. wildcatgoal

    Stiff Steering After Pitman/Idler/Box; 2WD vs. 4WD Steering Pump Difference?

    wildcatgoal, Mar 18, 2020
    Replies:
    8
    Views:
    213
    PNW VietVet
    Mar 20, 2020
  23. DougAMiller

    Low oil pressure....sometimes

    DougAMiller, Aug 12, 2019 ... 7 8 9
    Replies:
    84
    Views:
    5,875
    Reebok59
    Mar 18, 2020
  24. mikemhp

    Transmission problem or fuel problem??

    mikemhp, Mar 17, 2020
    Replies:
    3
    Views:
    251
    Blucas12
    Mar 18, 2020
  25. Bluephi1914

    Stiff steering

    Bluephi1914, Sep 24, 2013
    Replies:
    7
    Views:
    2,922
    wildcatgoal
    Mar 18, 2020
  26. 04BlackTahoe

    Hesitation from a stop

    04BlackTahoe, Mar 14, 2020
    Replies:
    4
    Views:
    166
    rockola1971
    Mar 15, 2020
  27. Doubeleive

    2004 5.3 lifter tick what's the fix?

    Doubeleive, Mar 7, 2020 ... 2 3 4
    Replies:
    35
    Views:
    1,688
    Larryjb
    Mar 14, 2020
  28. xwt572

    Another p0300 mystery...

    xwt572, Mar 6, 2020 ... 2
    Replies:
    17
    Views:
    623
    rockola1971
    Mar 13, 2020
  29. doylee4693

    No pressure in cooling system

    doylee4693, Mar 7, 2020 ... 2 3 4
    Replies:
    37
    Views:
    1,510
    edward case
    Mar 13, 2020
  30. mijohnst

    Catalytic Converter...

    mijohnst, Feb 13, 2020 ... 8 9 10
    Replies:
    97
    Views:
    2,203
    PNW VietVet
    Mar 12, 2020
  31. Zburhop

    Check stability, service break booster

    Zburhop, Mar 10, 2020 ... 2
    Replies:
    14
    Views:
    479
    PNW VietVet
    Mar 11, 2020
  32. bsamole

    Recommendation for a Transfer Case Remanufacturer

    bsamole, Feb 17, 2020 ... 2
    Replies:
    17
    Views:
    563
    rockola1971
    Mar 11, 2020
  33. malmed

    Oil pressure switch, screen?

    malmed, Feb 9, 2019 ... 5 6 7
    Replies:
    65
    Views:
    4,587
    2006Tahoe2WD
    Mar 11, 2020
  34. ladorn45

    Throttle lag/ resistance 2001 tahoe

    ladorn45, Mar 4, 2020 ... 2 3
    Replies:
    26
    Views:
    770
    ladorn45
    Mar 10, 2020
  35. slowride

    Fuel alcohol percentage relearn without going to dealer???

    slowride, Feb 28, 2020 ... 2
    Replies:
    18
    Views:
    671
    slowride
    Mar 10, 2020
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