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Tech Library
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J
H3 ignition switch troubleshooting
JPaul
Jan 20, 2018
Replies
6
Views
12K
Thursday at 9:26 AM
woodwardsh3
W
THORparts transfer case mods (part 1)....
4speedfunk
Jun 6, 2015
Replies
13
Views
8K
Jan 26, 2025
D60
D
J
H3
Radiator core thickness (Be careful what you buy!)
JPaul
Aug 27, 2024
Replies
7
Views
1K
Sep 30, 2024
Korby7
H3
Camshaft position sensors replacement
alrock
Aug 7, 2012
Replies
10
Views
37K
Aug 10, 2024
H3ATH3N
H
Steering rack play
H3nightrod
Jun 14, 2023
Replies
7
Views
2K
May 3, 2024
jshock70
J
J
Adding lighting to H3 rear window switches
JPaul
May 13, 2017
Replies
11
Views
8K
Feb 5, 2024
Teahead
No more POP/CLUNK/CLANK from body mounts ! HOW TO:
2007HummerH2
Nov 13, 2011
2
Replies
25
Views
23K
Dec 16, 2023
CLEM3163
C
H3
Rear Drain Tubes: Where & How-To
southernhummerguy
Apr 6, 2014
Replies
16
Views
21K
Apr 8, 2023
maraygosa
M
H3T
Need help with Snugtop electrical.
SnowDeck_H3aT
Apr 13, 2022
Replies
0
Views
946
Apr 13, 2022
SnowDeck_H3aT
H
How to install remote start - Hummer H3
Humvdood
Nov 10, 2014
Replies
18
Views
79K
Mar 28, 2022
gp1182
G
how to: replacing fan clutch
JonBishop
Jun 27, 2014
Replies
6
Views
23K
Sep 4, 2021
ALGSD
A
Rascoles Scorpworks Bushing Front Diff Crossmember Installation
rascole
Aug 18, 2013
Replies
12
Views
12K
Nov 1, 2020
alrock
Functioning H3 factory air intake cover (with snorkel extension upgrade)
58Bisc
Oct 8, 2012
2
Replies
32
Views
51K
Nov 1, 2020
JPaul
J
J
Hummer H3 fastener Torque specs
JPaul
Feb 1, 2020
Replies
6
Views
25K
Feb 2, 2020
EndeavoredH3
Climate Control fix
Hunner
Oct 23, 2012
2
Replies
32
Views
144K
Jul 7, 2019
Carpster
C
H3
Door, rear hatch
Hunner
Jun 13, 2019
Replies
5
Views
4K
Jun 24, 2019
06 H3
H3
Rattle rear door
Hunner
Jun 13, 2019
Replies
4
Views
2K
Jun 16, 2019
f5moab
Steering rack/stability track
Hunner
Dec 10, 2018
Replies
5
Views
3K
Dec 19, 2018
4speedfunk
Dash Cam installation
alrock
Aug 10, 2014
Replies
21
Views
71K
Jul 16, 2018
JPaul
J
M
H3
Remote Starter Instillation - Complete Guide (GM Passlock II Bypass included)
Mark
Jan 13, 2017
Replies
15
Views
53K
Apr 27, 2018
09hummerh3
0
Air bag rear suspension support
Hunner
Nov 14, 2014
Replies
9
Views
7K
Apr 1, 2018
jakesz28
J
H3
Transmission Cooler Thread Number 3 - install with pictures
alrock
Jan 18, 2014
2
Replies
30
Views
67K
Dec 30, 2017
Sennin
F
How To: I bypassed my Transmission cooler with an external
Firesquirt
Apr 10, 2013
Replies
12
Views
18K
Dec 29, 2017
amrg
H3
Throttle body and MAF sensor cleaning
Boerwarrior
Feb 22, 2012
2
3
Replies
63
Views
122K
Aug 4, 2017
H3ATH3N
H
How to disconnect Onstar in the H3
deserth3
Jun 11, 2017
Replies
9
Views
14K
Jun 15, 2017
RamRod
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