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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
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Air Induction

Performance Air Intake/Air Induction Modifications
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Exhaust Mods

Performance Exhaust Modifications
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Engine Tunes/Mods

Performance Engine Tuning/Engine Modifications
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Transmission Mods

Performance Transmission Modifications
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4x4 Drivetrain

4x4 Repairs & Problems
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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
651
 by miketexas
Do I need to change the transfer case fluid if I have no CV axles?
8
681
 by zaid3ssaf
Checked a fuse and now engine won’t start
0
133
 by Cornerstonejeff
T
0
87
 by Handy333
how much is a new stater for trailblazer 2003
4
622
 by 06denaliman
'03 LTZ fuel filter location??
2
29
2K
 by Griz52
Is my transmission dead?
2
198
 by miketexas
Curious Mechanic
1
159
 by fotoryder
Need input
9
595
 by wayward one
‘08 TB Ls - when I make full turn - vehicle won’t move
12
800
 by princej99
Parasitic Battery Draw and engine noise at idle:
16
1K
 by Ravalli Surfer
Vortec 4200 Exhaust Manifold Bolts - Threadlocker?
0
152
 by KHE
Went through a puddle, service 4wd
1
344
 by EnvoyBoy2004
So i got suckered....
1
742
 by Shadetreemechanic
Transmission shift solenoids
1
193
 by Ravalli Surfer
RPM flare with Defrost or A/C on after cleaning Throttle Body
1
150
 by Ravalli Surfer
Rough idle
4
388
 by kkoorndyk
Engine swap - pull with tranny or leave?
2
282
 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
352
 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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