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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
Vortec 4.2L I-6
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2.5K
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2.5K
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No Mess Engine Oil Filter Change
Yesterday at 10:50 PM
Mooseman
Drivetrain
New
1K
12.8K
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1K
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12.8K
M
Please refresh my memory on AWD/Full Time 4 wheel drive.
Jan 25, 2023
MaroonMonsterLS1
Vortec 5.3L V8
New
378
5K
Threads
378
Posts
5K
"Hoping... For Loping..."
Yesterday at 10:11 AM
mrrsm
LS2 6.0L V8
39
836
Threads
39
Posts
836
Are all TrailBlazer SS models Full time AWD?
Aug 14, 2022
Mooseman
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C
Piston slap or rod knock?
c good
Friday at 1:15 PM
Replies
2
Views
89
Yesterday at 9:57 AM
littleblazer
ENGINE SWAP: 2004 for 2002 GM ATLAS 4.2L MOTOR
mrrsm
Jul 11, 2016
2
3
4
5
Replies
168
Views
25K
Friday at 6:18 PM
mrrsm
S
knocking noise from transmission and stalling
santon
Jan 30, 2023
Replies
9
Views
190
Wednesday at 7:50 PM
mrrsm
Trying to Decode my Error Code(s)
l008com
Jan 30, 2023
Replies
14
Views
147
Tuesday at 12:38 PM
Mooseman
E
Doing DoD delete on 05 Envoy 5.3, which cam do I choose?
EnvoyMan
Jan 27, 2023
Replies
3
Views
89
Jan 27, 2023
EnvoyMan
E
Transmission replacement
corky
Jan 23, 2023
Replies
6
Views
176
Jan 27, 2023
aaserv
Filters arrived, have to go back under the TB
movietvet
Jan 18, 2023
Replies
23
Views
250
Jan 24, 2023
movietvet
SOLVED!
4.2 cam phaser 03 Tb Ext LT
mattpaul89
Jan 13, 2023
Replies
9
Views
239
Jan 18, 2023
Mooseman
The fluid purge has started & ended.
movietvet
Jan 15, 2023
Replies
10
Views
230
Jan 16, 2023
movietvet
Alternator compatibility between years
gmcman
Jan 15, 2023
Replies
2
Views
123
Jan 16, 2023
gmcman
SOLVED!
Ringing whistle? HVAC disruption during servicing? Or?
Elizabetty
Dec 6, 2022
Replies
36
Views
742
Jan 10, 2023
Mooseman
Clutch or Bearing Noise? - Getting Bad
psa55
Dec 16, 2022
Replies
6
Views
303
Dec 29, 2022
psa55
C
Envoy lurches slightly forward when in Park and starting.
c good
Dec 28, 2022
Replies
7
Views
187
Dec 29, 2022
Mooseman
2002 Trailblazer 2WD/AWD/4HI and 4LO
movietvet
Dec 28, 2022
Replies
3
Views
182
Dec 28, 2022
movietvet
New here and new 2002 TB to me
movietvet
Dec 21, 2022
Replies
12
Views
304
Dec 27, 2022
movietvet
R
Oil pressure from 0 to 50 until engine warmed 06 Enovy 135k miles
Robmoo
Dec 21, 2022
Replies
5
Views
238
Dec 23, 2022
Mooseman
S
Rough Idle | No Codes
Scry0402
Dec 15, 2022
Replies
3
Views
206
Dec 15, 2022
Scry0402
S
NEED HELP
Stick Dipstick!
l008com
Jul 24, 2019
Replies
38
Views
4K
Dec 7, 2022
Mooseman
P
Throttle Position %?
PLAT515
Nov 26, 2022
Replies
27
Views
869
Dec 3, 2022
PLAT515
P
S
Purely mechanical oem fan clutch on 2008 TB?
sashainwy
Nov 7, 2022
Replies
15
Views
658
Nov 27, 2022
Mooseman
That buttery smooth engine after an oil change never lasts
l008com
Nov 4, 2022
Replies
9
Views
499
Nov 18, 2022
l008com
C
Fluid Service interval for Transfer case?
c good
Nov 13, 2022
Replies
3
Views
229
Nov 14, 2022
c good
C
Need Recommendations for Shop to do Engine Swap
5tjss
Oct 27, 2022
Replies
5
Views
230
Oct 27, 2022
5tjss
Rough Idle
Miked
Oct 23, 2022
Replies
5
Views
339
Oct 26, 2022
TequilaWarrior
T
B
2004 envoy 4.2 engine lost oil
Ben4.2
Oct 19, 2022
Replies
2
Views
207
Oct 20, 2022
Ben4.2
B
C
Yellow Dip Stick Dilemma
c good
Oct 13, 2022
Replies
6
Views
394
Oct 16, 2022
c good
C
C
Berryman's Soak number two. Thinking about adding some aeration?
c good
Oct 12, 2022
Replies
3
Views
285
Oct 15, 2022
gmcman
C
Adding ATF to oil....how much and for how many miles?
c good
Oct 11, 2022
Replies
3
Views
276
Oct 13, 2022
Mooseman
X
NEED HELP
AC / Heater Blower working intermittently with dash lights
Xodus989
Oct 5, 2022
Replies
9
Views
392
Oct 9, 2022
Xodus989
X
Gas tank extraction pump recommendations?
JayArr
Aug 13, 2022
Replies
15
Views
679
Oct 8, 2022
Mooseman
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