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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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Horn dose not work
Yesterday at 4:47 PM
Sqrly
Drivetrain
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13.3K
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13.3K
NEED HELP
Tranny slipping and surging. 4WD switch flashing
Apr 4, 2024
filthyfingers
Vortec 5.3L V8
New
393
5.2K
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393
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5.2K
Rate this Used Airfilter
Tuesday at 12:20 PM
christo829
LS2 6.0L V8
40
839
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40
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839
H
Cylinder 6 Misfire Mystery
Nov 20, 2023
highlander
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How to remove battery tray 2004 TB LS?
John04TB
Oct 5, 2023
Replies
2
Views
254
Oct 7, 2023
Mooseman
T
2003 Trailblazer LT Ext cranks but wont start no fuel pressure
TrailblazerLTExtended
Oct 4, 2023
Replies
6
Views
418
Oct 4, 2023
Mooseman
E
Parts cleaner to clean oil pickup tube
emedlin
Sep 27, 2023
Replies
21
Views
1K
Oct 2, 2023
emedlin
E
temp raise after 15 min drive with AC on, but go back if i turn off AC
rolo95
Sep 1, 2023
Replies
21
Views
819
Sep 15, 2023
aaserv
New exhaust manifold
corky
Jul 4, 2023
Replies
4
Views
569
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
415
Sep 11, 2023
wormwood1978
W
M
4.2 motor swap
mechanic rich
May 23, 2023
Replies
8
Views
528
Sep 7, 2023
Mooseman
H
Signal wire shows 12 volts... ignition off
halfawhole again
Jul 27, 2023
Replies
6
Views
587
Jul 28, 2023
TJBaker57
C
SOLVED!
Clunking from rear end
Cdrum
Jul 11, 2023
Replies
14
Views
3K
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
456
Jul 9, 2023
gmcman
Clutch or Bearing Noise? - Getting Bad
psa55
Dec 16, 2022
Replies
7
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1K
Jul 4, 2023
psa55
T
Loss of power
tiffi221986
Jun 29, 2023
Replies
7
Views
539
Jun 29, 2023
TollKeeper
Check my logic - Part 2!
TollKeeper
Apr 7, 2023
Replies
25
Views
934
Jun 19, 2023
Mooseman
P
Where did the oil go?
pell
Jun 11, 2023
Replies
11
Views
599
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
532
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
364
May 1, 2023
Petnatcar
P
Diagnosing and prep for harmonic balancer replacement 4.2 L I6
pastorbud
Apr 1, 2023
Replies
29
Views
2K
Apr 12, 2023
mrrsm
AWD to 2WD conversion possible on Rainier?
gmcman
Jul 8, 2022
Replies
9
Views
2K
Apr 5, 2023
midnightbluS10
Replacing Crankshaft Front Seal [SOLVED]
Ric_Whit
Oct 18, 2017
2
3
Replies
106
Views
28K
Mar 28, 2023
richphotos
R
The Ultimate "while your in there" overhaul
Daniel644
Mar 17, 2023
Replies
9
Views
587
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
305
Mar 6, 2023
Mooseman
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