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

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OEM Issues

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Jman423
Sticky = = = New threads may not be posted in this catagory, please select a sub-forum = = =
0
19K
 by Jman423
meho1011
05 4.2 engine
5
228
 by meho1011
P
Help diagnosing engine noise (muffled knocking) [SOLVED] and crankshaft pulley bolt wobble?
5
156
 by wcosh
Jclaude1212
Dead engine SWAP?
0
57
 by Jclaude1212
2002 TB LS
2002 trailblazer ls spark plugs
14
434
 by Charrules
A
Rear washer bypass test
4
154
 by autojoe
T
ShutOff issues.
3
174
 by TBlazerD
Morgstevenson
Timing Chain Noise, or ?
0
103
 by Morgstevenson
Trailblazin
Removing Head
8
8K
 by djdevon
J
2007 trailblazer stuck in park
4
129
 by TJBaker
blueblazer5_3
2003 trailblazer wont rev past 2000 rpm in park or neutral. Not normal???
7
346
 by sw904
T
Disconnected wire, red, small gauge with lug terminal
1
104
 by flyboy2610
B
2005 4.2l engine swap into a 2006 model issues!!
0
99
 by Bobby S.
morp
Cooling system suspects
1
103
 by EnvoyBoy2004
Steve1963
Another Low Oil Pressure Saga/Questions
14
525
 by Blue Roads
K
Electric cooling fan
1
238
 by En-Trail
x1Gambler1x
CV Axle replacement turned into a nightmare. Need help!
1
205
 by x1Gambler1x
Nitedreamer
Is there a kill switch in 03 trailblazer that if ur in a wreck. U have to push to get fuel running again like in a mustang it's in the trunk
2
160
 by Diamond193
S
2003 trailblazer.
7
410
 by chem_man
D
03 trailblazer ls sluggish acceleration and other woes
2 3
47
1K
 by Thomas wind
Jlogo1985
Bolt size can anyone identify the bolt?
1
156
 by chem_man
Zmadd42013
04 Chevy trailblazer vortec v8 engin
3
118
 by chem_man
Whitey75
No oil pressure
0
91
 by Whitey75
0
05 Ascender, Worth fixing?
3
153
 by 2005AscenderXUV
S
fan clutch nut
0
115
 by scott414
B
Oil pressure gauge dropping at idle
2
32
1K
 by pdcomm
Mavrick 4920
Rough idle
5
298
 by 2005AscenderXUV
R
Will a 2006 envoy rear axle fit in a 2007 envoy?
1
114
 by Ravalli Surfer
Liam98
Having a weird noise when starting
5
263
 by Fastlane
L
torque Converter Shudder
2 3
41
984
 by Ravalli Surfer
Slay1555
Cv axle
2
254
 by Slay1555
K
Very strange tranny issue
1
151
 by lab2370
R
Best Spark Plugs
3
358
 by Ricoooo
W
2002 Trailblazer LS stalling when put in D
2
23
935
 by Ravalli Surfer
T
Vacuum Seal Locations
2
152
 by TheDukeWindsor
T
Worn Front Hub(s) Without A Bad Bearing?
8
267
 by Barbatio
02-09 Vortec 4.2L I-6 Engine and Drivetrain Q&A forum for engine and drivetrain repairs/modifications/tuning.
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