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2002 - 2009 TrailBlazer/Envoy Tech
The 02-09 "How-To" and DIY Section
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Sticky
HVAC Mode Actuator door replacement
03Huggy
Apr 12, 2008
34
35
36
712
746K
13 d ago
by
Thetonymartin
Sticky
How to change your fuel pump- WITH PICS.
rbarrios
Nov 9, 2008
7
8
9
172
226K
1 mo ago
by
pdcomm
C
Sticky
How to replace your stepper motor
CHAVEZ
Dec 5, 2008
20
21
22
435
488K
2 mo ago
by
Thetonymartin
Sticky
How to: Replacing spark plugs in an I6
MAY03LT
Nov 9, 2009
2
3
4
70
55K
4 mo ago
by
Schurkey
Sticky
Thermostat repair- how to- pics included
rbarrios
Oct 14, 2007
16
17
18
356
329K
4 mo ago
by
Scratchin My Head
M
Sticky
How to replace your ignition switch (pics)
mellis
Aug 11, 2009
11
12
13
250
363K
7 mo ago
by
Uncle jokes
[SOLVED]
Sticky
Sun roof repair
hatchet669
Aug 20, 2010
2
3
58
125K
7 mo ago
by
merick1207
Sticky
New "How to fix the seat heater" thread.
GOFASTER
Jan 29, 2009
2
3
4
73
93K
9 mo ago
by
Vega_TB
S
Sticky
2005 Envoy Fuel Pump Replacement - Part I
sinotar
Aug 30, 2010
2
3
54
99K
10 mo ago
by
romdos
B
Sticky
cabin filter
bass
Feb 19, 2011
14
15
16
301
258K
Jun 6, 2019
by
DrMethane63
S
Sticky
How to replace the windshield wiper motor
stanggt00
Jul 12, 2007
2
3
4
66
100K
Jan 2, 2019
by
umairaslam1211
B
Sticky
How-To Fuel Filter Replacement on 02-04 TV WITH PICS
bobbyblaze
Apr 15, 2009
9
10
11
215
169K
Sep 27, 2018
by
Ranger2003
Sticky
How To: Replacing an I6 alternator
MAY03LT
Aug 16, 2009
3
4
5
85
102K
Sep 8, 2018
by
Bugeyed1
Sticky
How to: Camshaft Position Actuator Solenoid Cleaning
Urbanarkansas
Sep 5, 2009
18
19
20
388
465K
Aug 16, 2018
by
gmc4flash
Sticky
How to: Replace blower resistor pack replacement WITH PICS!
K2JJB
Oct 23, 2007
36
37
38
755
712K
Aug 1, 2018
by
tblsfan
Sticky
How to seafoam your 4.2l Gmt-360s
Trailblaze_2002
Dec 18, 2009
6
7
8
149
126K
Jul 12, 2018
by
krackerjack9
Sticky
How to clean your throttle body
KHill
Feb 4, 2009
32
33
34
674
556K
Jun 23, 2018
by
Envoy04H
Sticky
How to replace water pump (pics)
blbkabenvoy
Mar 19, 2010
17
18
19
365
430K
May 20, 2018
by
PeayM
T
Sticky
How to tell which rear gear we have...
theboneskes
Oct 20, 2011
10
14K
Mar 7, 2018
by
toddtnp
Sticky
Gas overflow how to fix TSB: 04-06-04-003A
itchyfishnv
Oct 29, 2008
2
27
45K
Mar 5, 2018
by
Rob616
Sticky
How to- Changing belts on a 5.3 with pictures
Spong
Feb 7, 2009
2
3
44
80K
Jan 14, 2018
by
T-B 9-7X
Sticky
MAY03LT's how to videos thread
MAY03LT
Nov 11, 2011
2
25
22K
Nov 28, 2017
by
Londonflu
M
Sticky
Tire Pressure sensor re-learn procedure
MyGoatBites
May 19, 2007
2
31
38K
Apr 24, 2017
by
Jkb242
M
Sticky
Guide to changing Trailblazer / Envoy 4.2L I6 Spark Plugs w/ Images & Google Doc URL
Mageler
Mar 5, 2011
3
4
5
88
2M
Mar 1, 2017
by
tbuaron
Sticky
How to: Resetting the "change oil" light
MAY03LT
Nov 8, 2009
2
3
4
69
105K
Feb 28, 2017
by
robsamdx64
0
Sticky
How-to C6 efan installation
07TB
Aug 13, 2009
2
3
4
69
64K
Dec 29, 2016
by
BadDog98
D
[SOLVED]
Sticky
How to replace the radiator on a 2002 Chevrolet Trailbalzer
desertduster
Aug 28, 2010
18
43K
Oct 8, 2016
by
aschaller2
Sticky
How to change upper and lower radiator hoses - with pics
rbarrios
Nov 24, 2008
2
37
88K
Sep 28, 2015
by
MaddMannDA
Sticky
How to: Checking for spark in an I6 (video)
MAY03LT
Oct 23, 2011
16
16K
Dec 3, 2014
by
Powerman
Sticky
Cleaning Throttle Body, MAF, Air intake 5.3
stopher2
Sep 1, 2011
3
22K
Nov 3, 2014
by
robpreuss
Sticky
How to Change 3rd Brake Light--with pics
wardak33
Jul 4, 2009
2
3
45
71K
Apr 22, 2014
by
noraa
Sticky
Tie Rod Replacement How to
keitho64
Apr 18, 2009
5
6
7
130
182K
Apr 5, 2014
by
2004TB_LS_6cyl
Sticky
Step-By-Step True Flow CAI Install - Part 1
glfredrick
May 2, 2009
2
3
4
79
65K
Feb 13, 2014
by
trailblazer06ls
C
[SOLVED]
Sticky
Helpful steering wheel light how to
cablemn
Jan 16, 2012
3
18K
Apr 11, 2012
by
Spyw
O
Sticky
How to hook up trailer lights to Envoy
OldMike
Sep 13, 2011
14
20K
Nov 22, 2011
by
exjay
H
Sticky
how to tow a 4x4 trailblazer?
hecsz28
Oct 30, 2011
12
35K
Nov 2, 2011
by
TollKeeper
TOOL TRAY
peternc
1 d ago
4
77
13 h ago
by
Vega_TB
Brake pedal knocking against my foot! 07 TB
S.lee.93726
1 d ago
8
105
14 h ago
by
NJTB04
K
Fuel issues
Krysten
1 d ago
3
77
20 h ago
by
chem_man
Let's Talk: 4.2 Valve Cover Leaks - OK?
Ravalli Surfer
13 d ago
8
410
4 d ago
by
Ravalli Surfer
K
2005 envoy 4.2 oil pressure gauge drop
karayj
5 d ago
0
92
5 d ago
by
karayj
K
Setting for defroster actuator and door flap
kenzoil
Apr 7, 2018
1
603
8 d ago
by
Coopspeed
J
MAP Sensor Code and stalling
Jericho Low Gap
2 mo ago
10
382
9 d ago
by
Ravalli Surfer
H
Replacement of Radio Not Working PLEASE HELP
Helper0246
11 d ago
0
95
11 d ago
by
Helper0246
Newbie needing some answers
frosty2021
14 d ago
1
130
13 d ago
by
Ravalli Surfer
H
Ignition Switch Replacement
hribarj2317
16 d ago
1
108
15 d ago
by
miketexas
Trying to fix the hvac. 03 envoy
Stile
18 d ago
2
141
16 d ago
by
MD TBlazer
After market headlights
Jason85
9 mo ago
4
428
19 d ago
by
Iñigo Sanchez
glasspack exhaust
joshuam55
9 mo ago
5
425
19 d ago
by
gregarrey
J
Bump Stops for the rear suspension
junkyardog
4 mo ago
5
631
20 d ago
by
Vetvoy
Coil pack PSA
Husker-Doo
27 d ago
3
232
23 d ago
by
Reactant
Rear tail lamp shorts out
Mrlindley
Nov 8, 2019
4
463
27 d ago
by
nodogs027
Tech2 questions
Mattwurst79
28 d ago
2
131
27 d ago
by
Mattwurst79
J
2002 Trailblazer about caught on fire intake resonator.
J_SEPH
1 mo ago
12
534
29 d ago
by
wbrockstar
A
New to site need some wisdom. Rear wiper and key fob functions not working
Ardap62
1 mo ago
1
122
1 mo ago
by
2005trailblazerls
M
2" wheel spacers on an Envoy
Milestone
2 mo ago
2
176
1 mo ago
by
Milestone
[SOLVED]
Key Fob Programming
jamcomp
May 25, 2016
12
3K
1 mo ago
by
Leslie Ann
Transmission filler tube
Justin tb2002
2 mo ago
2
149
1 mo ago
by
Ravalli Surfer
Rough idle help please
MandoJ
2 mo ago
3
190
1 mo ago
by
chem_man
2005 Chevy Trailblazer Switching out camshaft position solenoid actuator
Cmetz13
2 mo ago
6
404
2 mo ago
by
chem_man
Trans fluid change
ToxicJoker15
2 mo ago
2
3
4
73
3K
2 mo ago
by
miketexas
J
Valve spring keepers installation
jimmymac9285
2 mo ago
0
82
2 mo ago
by
jimmymac9285
To: Torque Pro Or Not To Torque Pro?
Ravalli Surfer
2 mo ago
10
377
2 mo ago
by
chem_man
Stereo installation
TrailblazingHamYTS
2 mo ago
0
149
2 mo ago
by
TrailblazingHamYTS
Bent my frame using a floor jack.
catescdc8
2 mo ago
8
785
2 mo ago
by
Ravalli Surfer
06 envoy dash vents quit working with battery change?
James62983
2 mo ago
10
221
2 mo ago
by
mddombrowski
B
Recalibrate hvac
Brian30
2 mo ago
3
246
2 mo ago
by
TJBaker
M
Rear fuse box fuse thats on with the key
motor_mischief_and_fire
2 mo ago
1
95
2 mo ago
by
motor_mischief_and_fire
Total heater core bypass
Giblues
3 mo ago
4
412
2 mo ago
by
Blue Roads
I
Adios Folks
iceflow
2 mo ago
4
435
2 mo ago
by
TigerMike1
O
How to make your antenna indestructible
Ock
2 mo ago
0
201
2 mo ago
by
Ock
1
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The 02-09 "How-To" and DIY Section
Threads on Do-It-Yourself and How-To goes here.
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