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02-09 Vortec 4.2L I-6 Engine and Drivetrain

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OEM Issues

Original Equipment Repairs and/or Problems
66.6K 35.7M
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Air Induction

Performance Air Intake/Air Induction Modifications
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Exhaust Mods

Performance Exhaust Modifications
12K 3.7M
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Engine Tunes/Mods

Performance Engine Tuning/Engine Modifications
21K 8.3M
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Transmission Mods

Performance Transmission Modifications
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4x4 Drivetrain

4x4 Repairs & Problems
15K 7.7M
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Sticky = = = New threads may not be posted in this catagory, please select a sub-forum = = =
0
19K
 by Jman423
Tranny swap.. Old question for new TB owner
3
637
 by miketexas
Do I need to change the transfer case fluid if I have no CV axles?
8
657
 by zaid3ssaf
Checked a fuse and now engine won’t start
0
131
 by Cornerstonejeff
T
0
84
 by Handy333
how much is a new stater for trailblazer 2003
4
591
 by 06denaliman
'03 LTZ fuel filter location??
2
29
2K
 by Griz52
Is my transmission dead?
2
192
 by miketexas
Curious Mechanic
1
149
 by fotoryder
Need input
9
594
 by wayward one
‘08 TB Ls - when I make full turn - vehicle won’t move
12
790
 by princej99
Parasitic Battery Draw and engine noise at idle:
16
1K
 by Ravalli Surfer
Vortec 4200 Exhaust Manifold Bolts - Threadlocker?
0
144
 by KHE
Went through a puddle, service 4wd
1
342
 by EnvoyBoy2004
So i got suckered....
1
735
 by Shadetreemechanic
Transmission shift solenoids
1
192
 by Ravalli Surfer
RPM flare with Defrost or A/C on after cleaning Throttle Body
1
150
 by Ravalli Surfer
Rough idle
4
380
 by kkoorndyk
Engine swap - pull with tranny or leave?
2
270
 by DCHaught
Front End Noise While Idling
10
6K
 by Yoshi808
2008 trailblazer 4.2 vortec blue smoke on start up, goes away immediately
2
345
 by Knuck chuckles
02-09 Vortec 4.2L I-6 Engine and Drivetrain Q&A forum for engine and drivetrain repairs/modifications/tuning.
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