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02-09 Vortec 5.3L V8 Engine and Drivetrain

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OEM Issues

Original Equipment Repairs and/or Problems
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8.3K
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Air Induction

Performance Air Intake/Air Induction Modifications
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660K
826
660K

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Performance Exhaust Modifications
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2.3M
1.2K
2.3M

Engine Tunes/Mods

Performance Engine Tuning/Engine Modifications
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2.4M
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Transmission Mods

Performance Transmission Modifications
798
750K
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4x4 Drivetrain

4x4 Repairs & Problems
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2.1M
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Jman423

Sticky = = = New threads may not be posted in this catagory, please select a sub-forum = = =

0
11K
 by Jman423
G

2005 LH6 trailblazer lm7 swap

2
363
 by VoyBoy919
G

2007 Denali 5.3 -- 260K - about to replace trans cooler lines; what lifespan to expect from denali ?

1
128
 by Mad Russian
JM 07

07’ afm delete parts list

2
21
720
 by JM 07
derekmaloney85

Aluminum radiator/electric fan for 5.3 envoy denali HELP!

0
158
 by derekmaloney85
WYOVERLANDER

5.3 new high oil pressure gauge reading

1
124
 by TJBaker
Rebelmommaof3

Transmission

15
402
 by Ravalli Surfer
M

06 Envoy Denali XL odd issues .. related?

2
185
 by merlinof2
envoynali07

4L60 to 4L65 upgrade

5
273
 by Ravalli Surfer
T

2008 ENVOY DENALI 5.3 CAM POSITION SENSOR REPLACEMENT

5
288
 by Ravalli Surfer
06DenaliJosh

Gear ratio?

3
300
 by Schurkey
musicjunkie1908

Looking for pinout

1
169
 by Vega_TB
Sparkie's Mower Service

Service Stabilitrack question

2
249
 by Sparkie's Mower Service
5

The Head Gasket Install has Gone Awry

2 3
47
2K
 by Ravalli Surfer
R

Timing cover question

2
23
897
 by Ravalli Surfer
fastjjc

P0740 P0785 P1860

0
225
 by fastjjc
Ricstar59

Vacuum port?

0
191
 by Ricstar59
Steve T

Odd transmission behavior: 2006 Envoy Denali

7
539
 by Steve T
B

5.3 Limp Mode issue (P060E and P0121)

5
930
 by bigbasec1
B

Opinions on tech2 knock off or Vcx nano or ?

1
373
 by Schurkey
B

Clunking noise when shutting off vehicle or going into reverse.

0
336
 by bpglue
Clkish1988

Intermittent no start no crank

4
586
 by Supercharged111
blueblazer5_3

AFM OIL BYPASS STICKING OPEN AFTER HIGH RPM PULLS W

0
290
 by blueblazer5_3
FamilymanGT

AFM delete=no oil pressure

5
2K
 by Supercharged111
U

All dash lights on

9
584
 by Ravalli Surfer
Dustinmccall

Need help

1
492
 by yeagamyster04
Justmy2¢

Great buy or no go??

12
1K
 by cage47
S

5.3 radiator fan shroud

3
563
 by nnorton44
S

Aftermarket Flexplates? 5.3 Vortec

5
516
 by DDS-029
G

07' envoy denali transmission oil change?

3
787
 by NJTB04
G

07' envoy 5.3v8 has blinking engine lite on cruise when towing ?

2
445
 by Schurkey
A

2008 Envoy Denali 5.3L AFM delete/cam upgrade?

2
1K
 by Scooter172
A

Changing cam and valve springs

0
350
 by Amateur hour
BenG12

Throttle position sensor / Throttle body

1
531
 by Vega_TB
M

Vibration/Rumble in gas peddle

3
437
 by Ravalli Surfer
C

New Crankshaft Sensors Won't Run

0
395
 by CycleCraft
02-09 Vortec 5.3L V8 Engine and Drivetrain
Q&A forum for engine and drivetrain repairs/modifications/tuning.
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