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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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Horn dose not work
Thursday at 4:47 PM
Sqrly
Drivetrain
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1.1K
13.3K
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1.1K
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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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Recommended Exhaust Manifold Replacement?
MrShelley
Oct 14, 2021
Replies
15
Views
2K
Jan 30, 2022
Schurkey
NEED HELP
Transmission wont shift out of park
dvs.dave.03ltz
Mar 14, 2019
Replies
11
Views
2K
Mar 17, 2019
Reprise
NEED HELP
Intake hose loose with heavy white smoke out from the engine
yazan
Oct 8, 2020
Replies
6
Views
2K
Oct 8, 2020
mrrsm
NEED HELP
02 Trailblazer Transmission Replacement Issues [Solved]
SmokeyMcBlazer
Dec 16, 2017
Replies
7
Views
2K
Dec 22, 2017
Mooseman
NEED HELP
2003 TB 4.2. Wont go over 5mph
Joshj517
Feb 18, 2019
Replies
9
Views
2K
Feb 21, 2019
gmcman
S
NEED HELP
4x4 Working strange
Sn1perdeath
Aug 27, 2021
Replies
25
Views
2K
Sep 10, 2021
chris68369
C
NEED HELP
ERROR P0300 Help!?!
Ghost
Feb 11, 2017
Replies
6
Views
2K
Feb 13, 2017
Ghost
NEED HELP
4wd didn't switch to 2wd
Riktar
Jan 26, 2018
Replies
7
Views
2K
Feb 2, 2018
Riktar
G
NEED HELP
2002 Envoy will not move till 1500rpm...and other stuff.
gmanfive0
May 8, 2016
Replies
13
Views
2K
May 18, 2016
shovenose
NEED HELP
Anybody Know what This is and how much to fix?
joshtheawesome
Oct 11, 2017
Replies
4
Views
2K
Oct 19, 2017
Mooseman
NEED HELP
UNKNOWN FRONT END NOISE
joshtheawesome
Sep 16, 2017
Replies
11
Views
2K
Sep 25, 2017
HARDTRAILZ
M
NEED HELP
2002 TB LS 4WD front wheels not engaging
moneymike
Nov 17, 2019
Replies
7
Views
2K
Nov 25, 2019
moneymike
M
G
NEED HELP
Service Brakes, tranny slipping, spedo jumping, A/C drive hot:pass cold! No problem lights!?
GoldRainier
Aug 31, 2019
Replies
12
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1K
Sep 25, 2019
GoldRainier
G
NEED HELP
Shifter locked in neutral
Drec
Jul 28, 2022
Replies
14
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1K
Aug 2, 2022
Drec
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NEED HELP
Engine/transmissions dowels
crazyelvis3577
Sep 20, 2016
Replies
7
Views
1K
Sep 21, 2016
AWD V8
W
NEED HELP
2WD to 4WD conversion the old school way
WonderboyT
Dec 11, 2018
Replies
5
Views
1K
Dec 12, 2018
Mooseman
S
NEED HELP
saab97x5.3i Where are the rust spots on the transmission tubes?
Sprung Monkey
Aug 14, 2020
Replies
11
Views
1K
Aug 29, 2020
gmcman
R
NEED HELP
ABS Light, Low Oil Pressure, Engine cut off
RedMonte85
Aug 24, 2018
Replies
4
Views
1K
Aug 28, 2018
Mooseman
NEED HELP
Charging System Low Voltage
Robbabob
Mar 6, 2018
Replies
10
Views
1K
Mar 10, 2018
mrrsm
N
NEED HELP
2005 Isuzu Ascender 5.3 fuel filter location
Ntrain2k
May 4, 2017
Replies
2
Views
1K
May 4, 2017
Ntrain2k
N
H
NEED HELP
Coolant leak
htseat2000
Dec 15, 2017
Replies
8
Views
1K
Dec 17, 2017
NJTB
N
NEED HELP
Exhaust question
dna59
Sep 9, 2018
Replies
6
Views
1K
Sep 11, 2018
dna59
NEED HELP
P1221 Only with A/C on
Ric_Whit
Aug 19, 2022
Replies
8
Views
1K
Aug 20, 2022
mrrsm
NEED HELP
4WD issue
egger46
Dec 19, 2017
Replies
3
Views
1K
Jan 10, 2018
webdawg
W
B
NEED HELP
P0976
Backwoods16
Mar 14, 2016
Replies
4
Views
1K
Mar 15, 2016
Backwoods16
B
B
NEED HELP
Fuel leak
byteme
Aug 6, 2019
Replies
8
Views
1K
Aug 11, 2019
mrrsm
0
NEED HELP
2006 trailblazer no power/start
06tbrudy
Jun 4, 2019
Replies
9
Views
1K
Jun 10, 2019
06tbrudy
0
NEED HELP
Help With Transmission Problems
therealsethallen
Dec 3, 2017
Replies
3
Views
1K
Dec 3, 2017
Reprise
NEED HELP
Reverse Coolant Flush?
RyanEAS
Jan 17, 2016
Replies
5
Views
1K
Jan 18, 2016
linneje
N
NEED HELP
Help with fuel tank replacement
nvoy04MJIN
Mar 10, 2016
Replies
7
Views
1K
Mar 12, 2016
mrrsm
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