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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
35
36
37
723
793K
4 d ago
by
Ravalli Surfer
O
Sticky
How to hook up trailer lights to Envoy
OldMike
Sep 13, 2011
2
20
23K
22 d ago
by
Ravalli Surfer
M
Sticky
How to replace your ignition switch (pics)
mellis
Aug 11, 2009
11
12
13
259
383K
22 d ago
by
chem_man
Sticky
How to: Replacing spark plugs in an I6
MAY03LT
Nov 9, 2009
2
3
4
71
58K
2 mo ago
by
Lizard
Sticky
MAY03LT's how to videos thread
MAY03LT
Nov 11, 2011
2
26
23K
3 mo ago
by
Chewy19
Sticky
How to clean your throttle body
KHill
Feb 4, 2009
32
33
34
675
576K
10 mo ago
by
wingerjw
B
Sticky
cabin filter
bass
Feb 19, 2011
14
15
16
303
274K
11 mo ago
by
Lckent48
[SOLVED]
Sticky
Sun roof repair
hatchet669
Aug 20, 2010
2
3
4
60
136K
12 mo ago
by
Ock
Sticky
How to change your fuel pump- WITH PICS.
rbarrios
Nov 9, 2008
7
8
9
172
237K
Jan 19, 2021
by
pdcomm
C
Sticky
How to replace your stepper motor
CHAVEZ
Dec 5, 2008
20
21
22
435
509K
Dec 31, 2020
by
Thetonymartin
Sticky
Thermostat repair- how to- pics included
rbarrios
Oct 14, 2007
16
17
18
356
339K
Oct 22, 2020
by
Scratchin My Head
Sticky
New "How to fix the seat heater" thread.
GOFASTER
Jan 29, 2009
2
3
4
73
99K
Jun 9, 2020
by
Vega_TB
S
Sticky
2005 Envoy Fuel Pump Replacement - Part I
sinotar
Aug 30, 2010
2
3
54
106K
May 1, 2020
by
romdos
S
Sticky
How to replace the windshield wiper motor
stanggt00
Jul 12, 2007
2
3
4
66
107K
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
181K
Sep 27, 2018
by
Ranger2003
Sticky
How To: Replacing an I6 alternator
MAY03LT
Aug 16, 2009
3
4
5
85
108K
Sep 8, 2018
by
Bugeyed1
Sticky
How to: Camshaft Position Actuator Solenoid Cleaning
Urbanarkansas
Sep 5, 2009
18
19
20
388
481K
Aug 16, 2018
by
gmc4flash
Sticky
How to: Replace blower resistor pack replacement WITH PICS!
K2JJB
Oct 23, 2007
36
37
38
755
735K
Aug 1, 2018
by
tblsfan
Sticky
How to seafoam your 4.2l Gmt-360s
Trailblaze_2002
Dec 18, 2009
6
7
8
149
132K
Jul 12, 2018
by
krackerjack9
Sticky
How to replace water pump (pics)
blbkabenvoy
Mar 19, 2010
17
18
19
365
446K
May 20, 2018
by
PeayM
T
Sticky
How to tell which rear gear we have...
theboneskes
Oct 20, 2011
10
15K
Mar 7, 2018
by
toddtnp
Sticky
Gas overflow how to fix TSB: 04-06-04-003A
itchyfishnv
Oct 29, 2008
2
27
48K
Mar 5, 2018
by
Rob616
Sticky
How to- Changing belts on a 5.3 with pictures
Spong
Feb 7, 2009
2
3
44
86K
Jan 14, 2018
by
T-B 9-7X
M
Sticky
Tire Pressure sensor re-learn procedure
MyGoatBites
May 19, 2007
2
31
41K
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
108K
Feb 28, 2017
by
robsamdx64
0
Sticky
How-to C6 efan installation
07TB
Aug 13, 2009
2
3
4
69
68K
Dec 29, 2016
by
BadDog98
D
[SOLVED]
Sticky
How to replace the radiator on a 2002 Chevrolet Trailbalzer
desertduster
Aug 28, 2010
18
47K
Oct 8, 2016
by
aschaller2
Sticky
How to change upper and lower radiator hoses - with pics
rbarrios
Nov 24, 2008
2
37
92K
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
23K
Nov 3, 2014
by
robpreuss
Sticky
How to Change 3rd Brake Light--with pics
wardak33
Jul 4, 2009
2
3
45
75K
Apr 22, 2014
by
noraa
Sticky
Tie Rod Replacement How to
keitho64
Apr 18, 2009
5
6
7
130
190K
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
68K
Feb 13, 2014
by
trailblazer06ls
C
[SOLVED]
Sticky
Helpful steering wheel light how to
cablemn
Jan 16, 2012
3
20K
Apr 11, 2012
by
Spyw
H
Sticky
how to tow a 4x4 trailblazer?
hecsz28
Oct 30, 2011
12
40K
Nov 2, 2011
by
TollKeeper
P0440
metalmike187
5 d ago
8
129
1 d ago
by
Ravalli Surfer
Coolant temp...
Stangyog
3 d ago
1
97
3 d ago
by
Ravalli Surfer
UPDATED: This is your PCV --- Treat it nicely and it'll return the love!
Ravalli Surfer
9 mo ago
11
2K
4 d ago
by
johnd393
02 throttle body sensor change out
Flyingbandits
17 d ago
8
227
5 d ago
by
chem_man
Passenger side blend door actuator
Uncle jokes
Aug 20, 2020
8
2K
5 d ago
by
BoBoTron
03 EXT Tailgate onto 05 EXT body.
Icrash1980
10 d ago
5
271
5 d ago
by
Denali94
M
2004 smog pump check valve noise
Mhahnster
10 d ago
1
82
10 d ago
by
Ravalli Surfer
Catch Can Installation questions
metalmike187
26 d ago
2
39
771
14 d ago
by
Denali94
02 envoy SLT audio wiring simple plz help
02envoy ifixmyowncar lady
1 mo ago
3
227
20 d ago
by
chem_man
I
(Solved) RIP Starter / 2007 TB 4.2L
iLovemytb07
25 d ago
4
247
22 d ago
by
cage47
M
Hot/cold accuator stopped working after replacing blower wiring harness
Mark156531
23 d ago
4
164
22 d ago
by
Ravalli Surfer
Clock Spring Harness
JonBoy1
1 mo ago
7
458
22 d ago
by
drewsome9229
M
Still no vent air flow after actuator replacement
MikeTB04
24 d ago
1
149
23 d ago
by
MikeTB04
E
[SOLVED]
XUV Common Tailgate problems HOW TO FIX
eric82930
Aug 29, 2013
4
15K
23 d ago
by
ctcomputers
Envoy XUV tailgate window repair.
AviatorLt1
23 d ago
1
182
23 d ago
by
Ravalli Surfer
T
[SOLVED]
Power steering line seals and caps at PS rack ports
tookien
Mar 1, 2017
3
6K
24 d ago
by
EddieTheEnvoy
O
The only way to change an oil filter
Ock
1 mo ago
13
722
25 d ago
by
Tom-S
Project Snowball
flyboy2610
Apr 1, 2021
2
25
2K
29 d ago
by
flyboy2610
Right front speaker wire
IdkWhatToUseForA Name
1 mo ago
4
129
1 mo ago
by
IdkWhatToUseForA Name
2002 Trailblazer Brush Guard Install
metalmike187
2 mo ago
7
415
1 mo ago
by
metalmike187
2003 trailblazer lift gate and back window LOCKED
lisadianehurley111
1 mo ago
16
402
1 mo ago
by
Ravalli Surfer
2003 GMC Envoy SLE 6cycl 2WD - Transmission stick in "P" (Park) but Dashboard says "N" (neutral)
Chevy-Undah-Mah-Belly
2 mo ago
2
29
808
1 mo ago
by
Louboi
Break noise
jess88
1 mo ago
8
354
1 mo ago
by
jess88
PCV valve hose nipple/ connector
DWolfe
2 mo ago
2
3
4
75
2K
1 mo ago
by
DWolfe
Help Installing radio in 2005 chevy trailblazer
05trailblazerchevy
1 mo ago
0
133
1 mo ago
by
05trailblazerchevy
H
INSTALL RIDE HEIGHT SENSORS
hribarj2317
4 mo ago
6
307
1 mo ago
by
Horsehaulin
02 trailblazer reduced engine power p1512
Blazzzy777
2 mo ago
10
351
1 mo ago
by
chem_man
Transmission fluid coming out the transmission fluid dipstick
Artemio
5 mo ago
11
590
1 mo ago
by
chem_man
I have 2 questions Concerning My 2005 GMC Envoy...…..If Anyone Out There Has Gone Through The Same Experience.
tikiluau1974
8 mo ago
13
980
2 mo ago
by
chem_man
Fuel tank swap
Shawnnh
Nov 21, 2020
1
457
2 mo ago
by
VoyBoy919
I hope I didn't screw up!!
mcdevitt196774
2 mo ago
2
25
860
2 mo ago
by
Ravalli Surfer
D
A/C and Heat Only Blow at Highway Speed
debiroLS
2 mo ago
1
134
2 mo ago
by
chem_man
M
Removing broken front axle disconnect stub.
Mad Russian
2 mo ago
8
250
2 mo ago
by
Mad Russian
Power Steering Fluid Cooler hose
Chevy-Undah-Mah-Belly
2 mo ago
4
365
2 mo ago
by
Schurkey
car wont enter pairing mode properly
shnbtlr
2 mo ago
1
179
2 mo ago
by
Ravalli Surfer
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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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