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Forums
Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
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Converting to e-fans (full-size pickup / GMT800)
Reprise
Sep 5, 2021
Replies
11
Views
7K
Jun 6, 2023
SpitShine_PL
Vortec 5.7 Fuel Pressure Normal?
shovenose
Jul 6, 2018
Replies
10
Views
6K
Jun 2, 2023
mrrsm
K
NEED HELP
Start-Stall on a 2003 Chevy 5.3
Kgurn1020
Apr 2, 2023
Replies
26
Views
3K
May 28, 2023
Kgurn1020
K
Z
SOLVED!
Sudden loss of 3rd/4th gear
zippy411
May 6, 2023
Replies
26
Views
13K
May 27, 2023
zippy411
Z
T
Removing C Clip Cant get axle in far enough see pictures
talons24
May 23, 2023
Replies
4
Views
677
May 24, 2023
TollKeeper
R
NEED HELP
Lost 1st and 4th after transmission fluid and filter change
roadswork
Apr 19, 2023
Replies
3
Views
507
Apr 20, 2023
mrrsm
L
NEED HELP
Transfer case replacement
Lance
Feb 12, 2023
Replies
3
Views
596
Feb 14, 2023
mrrsm
D
co321 fed up over 1,000 dollars wasted
davidsisler
Jan 14, 2023
Replies
17
Views
4K
Jan 16, 2023
mrrsm
U
SOLVED!
03 Escalade needs help
Upsman
Jul 16, 2022
2
Replies
49
Views
8K
Dec 3, 2022
Upsman
U
K
Help with diagnosing P0446 Evap code
Kaz26
Aug 15, 2022
Replies
6
Views
868
Sep 11, 2022
10Burb2500
1
6L80/6L90 Transmission Failures
m.mcmillen
Apr 17, 2022
Replies
22
Views
13K
Sep 6, 2022
Mooseman
4L60E Trouble Codes Diagnostic Parameters Chart
mrrsm
Aug 22, 2022
Replies
1
Views
650
Aug 22, 2022
Mooseman
Only shifts into 2nd gear.
coolride
Aug 6, 2021
Replies
9
Views
1K
Aug 10, 2022
6716
S
?s about 05 &06 Yukon 8th digit U
Sprung Monkey
Aug 2, 2022
Replies
3
Views
698
Aug 9, 2022
TollKeeper
T
1990 GMC K1500 350TBI Blows Injector Fuse
threefiveleven
Jul 14, 2022
Replies
4
Views
1K
Jul 14, 2022
littleblazer
K
2005 trailblazer EXT rear diff bolts?
KEEBZ489
Jul 1, 2022
Replies
2
Views
642
Jul 1, 2022
Chickenhawk
D
2003 Suburban with AWD and Stabilitrak - Need help, front driveshaft not turning
deanp
Jun 19, 2022
Replies
12
Views
2K
Jun 22, 2022
mrrsm
NEED HELP
04 GMC SIERRA 1500 5.3L FLEX FUEL V8 LIMP MODE with P0220, P2101, & P2135
turbee3
May 29, 2022
Replies
6
Views
2K
May 30, 2022
flyboy2610
B
2002 1500 project beater
BrianF
Apr 25, 2021
Replies
19
Views
3K
May 28, 2022
BrianF
B
J
NEED HELP
Aluminum in oil after Lifter change.
JohnizzaUSMC
Apr 19, 2022
Replies
5
Views
705
Apr 19, 2022
Mooseman
G
Trans pump installation
Gabe1879
Mar 28, 2022
Replies
0
Views
603
Mar 28, 2022
Gabe1879
G
H
4l60e first gear issue after warm up
hollywood6964
Feb 13, 2022
2
Replies
43
Views
7K
Mar 19, 2022
hollywood6964
H
07 Tahoe 5.3L DoD killed it, Mama wants a 6.0
BigJ
Oct 24, 2021
Replies
20
Views
5K
Feb 28, 2022
BigJ
NEED HELP
Transmission swap
burg99
Feb 6, 2022
Replies
2
Views
966
Feb 7, 2022
mrrsm
G
4L60E Hard shifting after cruising in 4th
Gabe1879
Jan 10, 2022
Replies
8
Views
2K
Jan 20, 2022
Gabe1879
G
C
Anybody have the 8.1 Vortec....or had one in the past?
c good
Dec 25, 2021
Replies
3
Views
1K
Dec 26, 2021
littleblazer
T
Need trans shift assist
Tinas
Dec 20, 2021
Replies
5
Views
928
Dec 24, 2021
Mooseman
B
2016 5.3 cylinder 5 misfire
buterama
Dec 12, 2021
Replies
5
Views
6K
Dec 14, 2021
buterama
B
Clicking noise
burg99
Nov 25, 2021
Replies
6
Views
3K
Nov 27, 2021
Matt
H
The old p0172/175
Hamon5holdthemayo
Nov 13, 2021
Replies
10
Views
987
Nov 19, 2021
Hamon5holdthemayo
H
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