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 ... 31 32 33
    Replies:
    321
    Views:
    60,822
    HiHoeSilver
    Mar 24, 2019
  3. Chads93GT

    No oil pressure at start up, 2001 Tahoe

    Chads93GT, Dec 11, 2014 ... 7 8 9
    Replies:
    84
    Views:
    16,265
    jonnytahoe
    Oct 29, 2018
  4. JKmotorsports

    Ordered my 6.0

    JKmotorsports, Aug 8, 2009 ... 40 41 42
    Replies:
    416
    Views:
    78,059
    Lee Dutton
    Oct 3, 2016
  5.    
  6. SpThomass

    4L65E Trans Is A Grenade Change My Mind

    SpThomass, Apr 19, 2019 at 3:56 PM ... 2
    Replies:
    19
    Views:
    492
    Jeff Groves
    Apr 22, 2019 at 11:28 AM
  7. sgosa

    Misfire and no power....

    sgosa, Apr 21, 2019 at 10:26 PM
    Replies:
    6
    Views:
    105
    Doubeleive
    Apr 22, 2019 at 1:59 AM
  8. Clarko88

    Where can I get Corvette servo for my transmission

    Clarko88, Apr 20, 2019 at 2:04 PM
    Replies:
    5
    Views:
    121
    iamdub
    Apr 21, 2019 at 10:14 PM
  9. OKYukon02

    2002 5.3 Crank appears to wobble at idle

    OKYukon02, Apr 20, 2019 at 6:47 PM ... 2
    Replies:
    12
    Views:
    248
    zraffz
    Apr 21, 2019 at 9:23 PM
  10. Roger L

    4 wheel drive problem

    Roger L, Jan 9, 2019 ... 2 3
    Replies:
    20
    Views:
    1,031
    Roger L
    Apr 21, 2019 at 6:50 PM
  11. Bwhntr6

    Coolant temp low

    Bwhntr6, Mar 3, 2019 ... 2
    Replies:
    12
    Views:
    638
    Bwhntr6
    Apr 21, 2019 at 11:32 AM
  12. Musicars

    Does a Denali AWD have G80?

    Musicars, Apr 18, 2019 at 7:49 PM
    Replies:
    6
    Views:
    239
    Musicars
    Apr 21, 2019 at 2:12 AM
  13. SnowDrifter

    [Theoretical] What if we were to move away from the 4lXXe and how would we do it?

    SnowDrifter, Apr 20, 2019 at 1:25 AM
    Replies:
    4
    Views:
    96
    zraffz
    Apr 20, 2019 at 11:12 PM
  14. OneofFew

    Fuel pump and A/c relay issues

    OneofFew, Apr 19, 2019 at 8:43 PM
    Replies:
    2
    Views:
    48
    OneofFew
    Apr 20, 2019 at 9:53 AM
  15. Heldju

    Gas CAP isues

    Heldju, Apr 16, 2019 at 7:32 PM ... 2
    Replies:
    17
    Views:
    402
    Erickk120
    Apr 20, 2019 at 3:24 AM
  16. SnowDrifter

    Towing in 3rd vs 4th

    SnowDrifter, Apr 19, 2019 at 5:47 PM
    Replies:
    3
    Views:
    133
    Erickk120
    Apr 20, 2019 at 2:41 AM
  17. ThatGuy

    Valve Cover Gasket Recommendations

    ThatGuy, Apr 19, 2019 at 3:05 PM
    Replies:
    3
    Views:
    77
    treehan77
    Apr 19, 2019 at 7:55 PM
  18. Bob Mac

    2005 Tahoe Transfer Case - NP8 Issues

    Bob Mac, Apr 19, 2019 at 3:18 PM
    Replies:
    0
    Views:
    68
    Bob Mac
    Apr 19, 2019 at 3:18 PM
  19. laprodigy001

    06 Tahoe transfer case help

    laprodigy001, Apr 18, 2019 at 4:14 AM
    Replies:
    2
    Views:
    116
    Fless
    Apr 18, 2019 at 6:02 PM
  20. cambonney

    05 Denali Engine Cover Padding?

    cambonney, Apr 18, 2019 at 5:22 PM
    Replies:
    3
    Views:
    105
    89Suburban
    Apr 18, 2019 at 5:53 PM
  21. Big Mama

    Anyone in the Turlock, Modesto area?

    Big Mama, Apr 18, 2019 at 8:26 AM
    Replies:
    0
    Views:
    30
    Big Mama
    Apr 18, 2019 at 8:26 AM
  22. Joe Collins

    What is this cooler/radiator??

    Joe Collins, Apr 17, 2019 at 5:48 PM
    Replies:
    3
    Views:
    120
    915_Tahoe
    Apr 17, 2019 at 6:23 PM
  23. Summajet

    2003 Gmc Yukon 5.3 flex fuel 4wd Transmission rebuilt/noise like a broken flex plate??

    Summajet, Apr 8, 2019
    Replies:
    6
    Views:
    174
    SnowDrifter
    Apr 17, 2019 at 4:40 PM
  24. ThwopKing

    Getting new brakes...

    ThwopKing, Nov 30, 2018 ... 2
    Replies:
    17
    Views:
    1,198
    ThwopKing
    Apr 17, 2019 at 3:54 PM
  25. a4edwin

    Oil pressure.

    a4edwin, Apr 17, 2019 at 11:42 AM
    Replies:
    4
    Views:
    113
    SnowDrifter
    Apr 17, 2019 at 3:21 PM
  26. Sam Harris

    Plug wire heat shields?

    Sam Harris, Mar 10, 2019 ... 7 8 9
    Replies:
    80
    Views:
    1,507
    Sam Harris
    Apr 17, 2019 at 2:17 PM
  27. adventurenali92

    Valve cover gasket write up?

    adventurenali92, Apr 6, 2019 ... 2 3 4
    Replies:
    33
    Views:
    1,137
    Grind
    Apr 17, 2019 at 10:37 AM
  28. Erickk120

    Knock sensors

    Erickk120, Apr 4, 2019
    Replies:
    2
    Views:
    186
    SnowDrifter
    Apr 17, 2019 at 2:23 AM
  29. Thebbc

    P0175 & P0172, Hard Cold Start, Recent Emissions System Work

    Thebbc, Apr 13, 2019
    Replies:
    9
    Views:
    165
    Thebbc
    Apr 15, 2019
  30. Clarko88

    2004 Tahoe 5.3 1000rpm idle and harsh 1st to 2nd

    Clarko88, Apr 4, 2019 ... 2 3 4
    Replies:
    39
    Views:
    1,157
    SnowDrifter
    Apr 15, 2019
  31. Bertsam2

    Broken wire

    Bertsam2, Apr 9, 2019
    Replies:
    8
    Views:
    361
    Rocket Man
    Apr 15, 2019
  32. JayH

    A/C Drier and lines frosted over

    JayH, Apr 14, 2019
    Replies:
    5
    Views:
    139
    SnowDrifter
    Apr 15, 2019
  33. Clinton Ellyson

    Evap system/ difficulty fueling

    Clinton Ellyson, Apr 14, 2019
    Replies:
    8
    Views:
    168
    Clinton Ellyson
    Apr 15, 2019
  34. LionsGuy

    Oil cooler block-off plate, among other leaks

    LionsGuy, Feb 11, 2019
    Replies:
    8
    Views:
    412
    SnowDrifter
    Apr 14, 2019
  35. ladorn45

    Rear diff cover drain plug

    ladorn45, Apr 11, 2019
    Replies:
    6
    Views:
    349
    Z28TWITCH
    Apr 14, 2019
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