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 ... 34 35 36
    Replies:
    355
    Views:
    84,744
    Staggered 02
    Dec 7, 2019 at 3:31 PM
  3. Chads93GT

    No oil pressure at start up, 2001 Tahoe

    Chads93GT, Dec 11, 2014 ... 7 8 9
    Replies:
    85
    Views:
    19,717
    Summajet
    Aug 3, 2019
  4. JKmotorsports

    Ordered my 6.0

    JKmotorsports, Aug 8, 2009 ... 40 41 42
    Replies:
    416
    Views:
    82,609
    Lee Dutton
    Oct 3, 2016
  5.    
  6. Erickk120

    Tcase on its way out?

    Erickk120, Oct 27, 2019
    Replies:
    9
    Views:
    300
    swathdiver
    Dec 7, 2019 at 4:11 PM
  7. srs5150

    My 4L60e to 4L80e Swap Journal:

    srs5150, Nov 27, 2019 ... 2
    Replies:
    12
    Views:
    556
    randeez
    Dec 7, 2019 at 12:33 PM
  8. norsebill

    Rear differential advice

    norsebill, Dec 7, 2019 at 12:07 AM
    Replies:
    6
    Views:
    119
    PNW VietVet
    Dec 7, 2019 at 11:57 AM
  9. CJake5

    2004 Tahoe..Missing after using Seafoam

    CJake5, Dec 4, 2019 at 12:44 AM
    Replies:
    7
    Views:
    273
    SnowDrifter
    Dec 6, 2019 at 3:30 AM
  10. Summajet

    fuses and relays for fuel system?

    Summajet, Dec 4, 2019 at 7:34 AM
    Replies:
    2
    Views:
    91
    Doubeleive
    Dec 4, 2019 at 11:42 AM
  11. Summajet

    2003 Gmc Yukon 4wd 5.3L steering turns without key in ignition

    Summajet, Dec 2, 2019 at 8:05 AM
    Replies:
    6
    Views:
    146
    Summajet
    Dec 4, 2019 at 7:13 AM
  12. willthom

    Water pump 05 Denali

    willthom, Dec 3, 2019 at 2:52 PM
    Replies:
    6
    Views:
    118
    PNW VietVet
    Dec 3, 2019 at 4:55 PM
  13. Ken Taylor

    04 Yukon Denali self accelerates briefly at prolonged idle

    Ken Taylor, Nov 28, 2019 ... 2
    Replies:
    18
    Views:
    660
    Mechanic421
    Dec 3, 2019 at 10:11 AM
  14. sumbum

    Engine tick, 05 Tahoe 5.3l

    sumbum, Nov 30, 2019 ... 2 3
    Replies:
    22
    Views:
    1,557
    sumbum
    Dec 2, 2019 at 1:55 PM
  15. YUKONJOSEPPI

    2006 Yukon Denali xl (6.0L) intermittent start

    YUKONJOSEPPI, Dec 2, 2019 at 12:11 PM
    Replies:
    0
    Views:
    34
    YUKONJOSEPPI
    Dec 2, 2019 at 12:11 PM
  16. kwOH

    Twin Turbo Kit

    kwOH, Dec 20, 2017 ... 2 3 4
    Replies:
    39
    Views:
    5,671
    BlackBearPerf
    Dec 2, 2019 at 11:57 AM
  17. Summajet

    2003 Yukon SLT flex fuel 5.3L whats brand would you use? cam, oil pump, lifters, timing chain

    Summajet, Jul 17, 2019 ... 9 10 11
    Replies:
    103
    Views:
    3,865
    Summajet
    Dec 1, 2019 at 6:50 PM
  18. jlj1267

    8.1L INTEGRATED PCV SYSTEM EXPLAINED

    jlj1267, Dec 1, 2019 at 3:18 PM
    Replies:
    0
    Views:
    391
    jlj1267
    Dec 1, 2019 at 3:18 PM
  19. mstaake415

    Can P0161 Cause Driveability Issue?

    mstaake415, Nov 28, 2019
    Replies:
    3
    Views:
    112
    ks03
    Nov 29, 2019
  20. Scettles

    2005 Yukon Coolant Leak Help!!!

    Scettles, Nov 24, 2019 ... 2
    Replies:
    11
    Views:
    372
    Rocket Man
    Nov 27, 2019
  21. Karlus

    GM OEM eFans vs Flex-a-lite question

    Karlus, Nov 25, 2019 ... 2
    Replies:
    15
    Views:
    451
    Rocket Man
    Nov 27, 2019
  22. PNW VietVet

    Oil filter adapter seal/gasket?

    PNW VietVet, Nov 27, 2019
    Replies:
    6
    Views:
    153
    PNW VietVet
    Nov 27, 2019
  23. corvette744

    Emmisions test required

    corvette744, Nov 19, 2019 ... 2 3
    Replies:
    22
    Views:
    713
    BG1988
    Nov 27, 2019
  24. K9Gunner

    Your opinions

    K9Gunner, Nov 27, 2019
    Replies:
    3
    Views:
    179
    swathdiver
    Nov 27, 2019
  25. TURNz

    Help me diagnose the *click click click* sound

    TURNz, Oct 28, 2019
    Replies:
    5
    Views:
    305
    PNW VietVet
    Nov 27, 2019
  26. MartyMcFLy

    NEED HELP!! Diagnosing loose U-Joints and oil leak (Video provided)?

    MartyMcFLy, Nov 24, 2019 ... 2
    Replies:
    11
    Views:
    383
    MartyMcFLy
    Nov 27, 2019
  27. Jtaylor28752

    Neutral to reverse slams and knocking

    Jtaylor28752, Nov 22, 2019 ... 2
    Replies:
    10
    Views:
    466
    swathdiver
    Nov 27, 2019
  28. DPGDirk

    NBS rear axle swap options?

    DPGDirk, Nov 25, 2019
    Replies:
    7
    Views:
    174
    Doubeleive
    Nov 26, 2019
  29. Yukon 6

    New member from West Sacramento

    Yukon 6, Nov 23, 2019 ... 2
    Replies:
    19
    Views:
    460
    Yukon 6
    Nov 25, 2019
  30. Lit549

    Idling issues

    Lit549, Nov 23, 2019
    Replies:
    8
    Views:
    219
    ak_yukon
    Nov 25, 2019
  31. mattt

    Missing high side A/C port cap, & A/C inop 04 Tahoe

    mattt, Nov 19, 2019
    Replies:
    4
    Views:
    212
    OneofFew
    Nov 24, 2019
  32. roveer

    2003 Yukon Denali Trans/electronic Problem (shifting & rpm)

    roveer, Sep 23, 2019 ... 2 3 4
    Replies:
    32
    Views:
    1,135
    Tonyrodz
    Nov 23, 2019
  33. SnowDrifter

    Question: Trans-cooler trans-flush

    SnowDrifter, Nov 22, 2019
    Replies:
    4
    Views:
    150
    Doubeleive
    Nov 22, 2019
  34. Gossamer

    Brake pedal fluttering

    Gossamer, Mar 18, 2019 ... 2 3
    Replies:
    21
    Views:
    1,494
    wjburken
    Nov 22, 2019
  35. Hutch123

    Misfire on 3 and 7 2003 5.3 almost 300k

    Hutch123, Sep 1, 2019 ... 2
    Replies:
    17
    Views:
    799
    Hutch123
    Nov 21, 2019
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