Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
Forums
Search forums
What's New?
New Posts
Latest activity
Latest activity
Members
Registered members
Current visitors
Site Rules
Cookie Policy
Privacy Policy
Donate
Forums
Log in
Register
Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
Search forums
Log in
Register
Menu
Install the app
Install
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
New
2.5K
38.8K
Threads
2.5K
Posts
38.8K
J
Gas tank venting issues can't fill
Yesterday at 4:00 PM
johnny be good
Drivetrain
New
1.1K
13.3K
Threads
1.1K
Posts
13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Today at 12:18 AM
Mooseman
Vortec 5.3L V8
392
5.2K
Threads
392
Posts
5.2K
Catalytic converter replacement options EPA vs carb
Feb 18, 2024
Mike534x
LS2 6.0L V8
40
839
Threads
40
Posts
839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
Prev
1
2
3
4
…
Go to page
Go
42
Next
First
Prev
2 of 42
Go to page
Go
Next
Last
Filters
Show only:
Loading…
New exhaust manifold
corky
Jul 4, 2023
Replies
4
Views
537
Sep 12, 2023
JayArr
SOLVED!
Loose, Rattle-y Heat Sheilds
l008com
Jul 15, 2023
Replies
24
Views
1K
Sep 11, 2023
JayArr
W
Exhaust Pipe to Manifold Gasket
wormwood1978
Aug 15, 2023
Replies
5
Views
391
Sep 11, 2023
wormwood1978
W
M
4.2 motor swap
mechanic rich
May 23, 2023
Replies
8
Views
517
Sep 7, 2023
Mooseman
H
Signal wire shows 12 volts... ignition off
halfawhole again
Jul 27, 2023
Replies
6
Views
538
Jul 28, 2023
TJBaker57
C
SOLVED!
Clunking from rear end
Cdrum
Jul 11, 2023
Replies
14
Views
2K
Jul 22, 2023
pell
P
P0305, AWD failure, and loss of cruise control
HMan_Rainier
May 29, 2023
2
Replies
54
Views
2K
Jul 20, 2023
mrrsm
Carbon cleaning the 4.2L LL8. Experiment
zaid3ssaf
Nov 21, 2020
Replies
3
Views
3K
Jul 13, 2023
mrrsm
Transmission compatibility of pre '06 models
gmcman
Jul 8, 2023
Replies
2
Views
434
Jul 9, 2023
gmcman
Clutch or Bearing Noise? - Getting Bad
psa55
Dec 16, 2022
Replies
7
Views
1K
Jul 4, 2023
psa55
T
Loss of power
tiffi221986
Jun 29, 2023
Replies
7
Views
490
Jun 29, 2023
TollKeeper
Check my logic - Part 2!
TollKeeper
Apr 7, 2023
Replies
25
Views
912
Jun 19, 2023
Mooseman
P
Where did the oil go?
pell
Jun 11, 2023
Replies
11
Views
567
Jun 17, 2023
Mooseman
4wd clunks hard, does not immediately engage when selected
6716
Jan 30, 2022
Replies
22
Views
2K
Jun 2, 2023
Mooseman
4L60e.... To flush or not to flush?
zaid3ssaf
Sep 26, 2020
Replies
19
Views
8K
May 24, 2023
zaid3ssaf
SOLVED!
Intermittent stops cranking during start attempt
movietvet
Mar 19, 2023
2
Replies
76
Views
3K
May 23, 2023
movietvet
F
I6 Blown head gasket
Fishnbob
May 16, 2023
Replies
8
Views
506
May 16, 2023
Fishnbob
F
4.2 i6 to 5.3 ls
Big west
Jan 30, 2020
Replies
39
Views
6K
May 16, 2023
Fishnbob
F
S
Purely mechanical oem fan clutch on 2008 TB?
sashainwy
Nov 7, 2022
Replies
16
Views
1K
May 2, 2023
sashainwy
S
FUEL FILTER for 2005, 4.2, 4WD
Petnatcar
Apr 30, 2023
Replies
3
Views
342
May 1, 2023
Petnatcar
P
Diagnosing and prep for harmonic balancer replacement 4.2 L I6
pastorbud
Apr 1, 2023
Replies
29
Views
1K
Apr 12, 2023
mrrsm
AWD to 2WD conversion possible on Rainier?
gmcman
Jul 8, 2022
Replies
9
Views
1K
Apr 5, 2023
midnightbluS10
Replacing Crankshaft Front Seal [SOLVED]
Ric_Whit
Oct 18, 2017
2
3
Replies
106
Views
27K
Mar 28, 2023
richphotos
R
The Ultimate "while your in there" overhaul
Daniel644
Mar 17, 2023
Replies
9
Views
560
Mar 23, 2023
Mooseman
Trans fluid color ?
Ilikemy3s
Mar 9, 2021
Replies
9
Views
2K
Mar 17, 2023
Mooseman
C
05 sierra Stuck in 2nd
ColoradoKid512
Mar 4, 2023
Replies
2
Views
297
Mar 6, 2023
Mooseman
Trying to Decode my Error Code(s)
l008com
Jan 30, 2023
Replies
21
Views
1K
Feb 18, 2023
Mooseman
Tbss intake injectors and throttle body upgrade then I lost 2nd gear 😔
Yeagamyster04
Feb 10, 2023
Replies
3
Views
503
Feb 11, 2023
Yeagamyster04
SOLVED!
4.2 cam phaser 03 Tb Ext LT
mattpaul89
Jan 13, 2023
Replies
12
Views
1K
Feb 7, 2023
mrrsm
C
Piston slap or rod knock?
c good
Feb 3, 2023
Replies
2
Views
448
Feb 5, 2023
littleblazer
Prev
1
2
3
4
…
Go to page
Go
42
Next
First
Prev
2 of 42
Go to page
Go
Next
Last
You must log in or register to post here.
Forum Statistics
Threads
23,273
Posts
637,498
Members
18,472
Latest member
MissCrutcher
Members Online
No members online now.
Share This Page
Share This Page
Share
Facebook
Reddit
Pinterest
Tumblr
WhatsApp
Email
Share
Link
Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Top
Bottom