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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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Steering wheel mod
Wednesday at 11:23 AM
TJBaker57
Drivetrain
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Do any of the Trailblazer SS Models have 4x4 with Hi/Lo Transfer case?
Today at 10:49 AM
Matt
Vortec 5.3L V8
New
401
5.3K
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401
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5.3K
over heats going around the block.
Wednesday at 2:19 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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Does it have to learn to idle?
Sqrly
Oct 31, 2024
2
3
4
Replies
151
Views
2K
Today at 12:06 PM
Sqrly
What does this noise sound like?
gmcman
Nov 10, 2024
Replies
10
Views
304
Wednesday at 10:40 AM
santon
S
C
LL8 Rebuild. Any upgrades recommended?
c good
Nov 22, 2024
Replies
3
Views
68
Nov 22, 2024
TJBaker57
K
NEED HELP
5.3 vortec long crank
Kgurn1020
Oct 28, 2024
Replies
32
Views
464
Nov 16, 2024
mrrsm
Scantool reports Auto while switch says 4Hi
TJBaker57
Nov 4, 2024
Replies
11
Views
206
Nov 15, 2024
TJBaker57
Does your Envoy "Decelerate"? (auto trans)
Sqrly
Oct 31, 2024
Replies
7
Views
225
Nov 13, 2024
Sqrly
S
Frustrating tank drop
Stuntmanmike1977
Oct 19, 2024
Replies
9
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271
Oct 30, 2024
Stuntmanmike1977
S
R
NEED HELP
2008 GMC Envoy issue with stalling
rjohnson
Oct 27, 2024
Replies
9
Views
192
Oct 28, 2024
mrrsm
CEL P0300-CEL flashed 3 times and engine noise
movietvet
Oct 22, 2024
Replies
22
Views
687
Oct 25, 2024
movietvet
How does the A4WD work?
Sqrly
Oct 18, 2024
Replies
13
Views
256
Oct 19, 2024
TequilaWarrior
T
A
NEED HELP
4x4 Already in 4Low at Startup?
AC75TB07
Aug 11, 2024
Replies
35
Views
842
Oct 18, 2024
TJBaker57
C
Glad I changed the fuel filter!
c good
Sep 29, 2024
Replies
0
Views
218
Sep 29, 2024
c good
C
C
Dorman Disconnect or rebuild original GM?
c good
Sep 29, 2024
Replies
1
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167
Sep 29, 2024
flyboy2610
C
Expect better fuel mileage with new fuel filter?
c good
Sep 26, 2024
Replies
3
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201
Sep 27, 2024
c good
C
460LE What is the factory stall speed?
Sqrly
Sep 24, 2024
Replies
2
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220
Sep 27, 2024
Mooseman
P0302: Cylinder 2 misfire deteced.
Blackstar
Sep 5, 2018
Replies
26
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5K
Sep 26, 2024
Sqrly
C
Differential oil 75w/90 recommendations please
c good
Sep 18, 2024
Replies
9
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372
Sep 21, 2024
c good
C
C
15 years, 50 Thousand miles on my rear diff, transfer case, and front diff fluids. Time for a service?
c good
Sep 13, 2024
Replies
5
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267
Sep 16, 2024
c good
C
C
Isuzu Ascender. Is it a true 4x4 with Hi/Low range transfer case?
c good
Sep 4, 2024
Replies
2
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266
Sep 4, 2024
c good
C
G
NEED HELP
2006 trailblazer p1810and p1815
Georgev
Sep 3, 2024
Replies
5
Views
371
Sep 4, 2024
Georgev
G
R
Fuel Feeder Line and Cylinder Misfires
Richard_Meyer
Aug 18, 2024
Replies
9
Views
415
Aug 24, 2024
m.mcmillen
SOLVED!
Rattling/knocking sound (video)
masaidwakeup
Aug 5, 2024
Replies
7
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397
Aug 16, 2024
masaidwakeup
NEED HELP
Fuel/Gas Cap
WhiteWolf
Jun 15, 2024
Replies
3
Views
422
Aug 15, 2024
WhiteWolf
C
Autozone Duralast Gold Starter Motor with Lifetime Warranty or AC Delco New with 30 day warranty.
c good
Aug 5, 2024
Replies
8
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872
Aug 9, 2024
c good
C
Is this amount of differential play normal?
l008com
Apr 23, 2024
Replies
3
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369
Aug 3, 2024
jerflash
J
W
Front propeller shaft removal help
wormwood1978
Jul 24, 2024
Replies
2
Views
315
Jul 25, 2024
Brian K
B
C
Never knew we can Flat Tow our 4x4 Envoys, Trailblazers, etc.
c good
May 16, 2024
Replies
6
Views
561
Jul 2, 2024
Sqrly
D
Insulation on underside of hood
DIYguy
Jun 8, 2024
Replies
6
Views
446
Jun 18, 2024
christo829
Replace front diff?
6716
Jun 8, 2024
Replies
3
Views
403
Jun 17, 2024
JayArr
C
BG Products E.P.R. Seems to be helping oil consumption
c good
Mar 17, 2024
Replies
3
Views
599
May 13, 2024
Mike534x
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