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Forums
Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
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L
Oil Cooler lines
LVJJJ
Apr 19, 2019
Replies
10
Views
2K
Apr 23, 2019
Maverick6587
Whining Noise
JRTAHOE
Jan 2, 2016
Replies
8
Views
2K
Jan 4, 2016
mrrsm
P
Need thread size 2008 6.0 Express
pell
Jun 10, 2019
Replies
4
Views
2K
Jun 10, 2019
Mooseman
F
The First Mod
Flash12623
Sep 1, 2012
Replies
9
Views
2K
Oct 4, 2013
bwhaldeman
Lazy upstream O2 sensor - concerns? (w/ screencap)
Reprise
Dec 4, 2019
Replies
8
Views
2K
Dec 6, 2019
Mooseman
K
NEED HELP
2008 Tahoe 5.3L cooling fans stay on
kazootom
Jan 9, 2017
Replies
3
Views
2K
Feb 16, 2017
Blackwater
Best gas to use
sse1990
Oct 26, 2013
Replies
13
Views
2K
Jul 2, 2014
smt 59
Heated seat buttons - 'always on' vs. iterative activation
Reprise
Dec 9, 2017
Replies
3
Views
2K
Dec 11, 2017
jsheahawk
M
NEED HELP
Engine would not turn off
mlan12
Oct 1, 2016
Replies
10
Views
2K
Oct 9, 2016
mrrsm
G
Drone under load!
Gordo
Sep 15, 2013
Replies
12
Views
2K
Sep 19, 2013
HARDTRAILZ
97 Yukon...loss of hp to transmission after dash swap
Rider
Feb 28, 2017
Replies
9
Views
2K
Mar 8, 2017
Blackwater
Another P1870 code on a 2002 Envoy
Drec
Apr 24, 2018
Replies
11
Views
2K
May 16, 2018
paul2005tb
B
Corsa Sport Catback
Black07SS
Jun 19, 2014
Replies
15
Views
2K
Jul 21, 2014
Black07SS
B
F
Exhaust question on 4.3
Flash12623
Jan 6, 2012
Replies
9
Views
2K
Feb 8, 2012
Flash12623
F
B
Trans Cooler 4L70E
Black07SS
Jun 20, 2014
Replies
21
Views
2K
Aug 8, 2014
BlazingTrails
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
T
2003 Chevy 2500hd stuck in 3rd gear
Tm090807
Nov 8, 2020
Replies
2
Views
2K
Nov 8, 2020
Tm090807
T
Poll
NEED HELP
P0016 Crankshaft position Correlation - Bank 1 Sensor A
dieselscrub
Sep 26, 2018
Replies
2
Views
2K
Sep 26, 2018
Mooseman
04 Silverado which spark plugs
MAY03LT
Jun 7, 2012
Replies
5
Views
2K
Jun 12, 2012
MAY03LT
L
spark plug gap
LVJJJ
Feb 24, 2018
Replies
4
Views
2K
Mar 28, 2019
BrianF
B
NEED HELP
Odd rubbing noise - UPDATE 2
DocBrown
Oct 25, 2016
Replies
15
Views
2K
Nov 9, 2016
DocBrown
MBRP Exhaust. Anyone running this?
Fishhunter911
May 29, 2012
Replies
8
Views
2K
Sep 15, 2013
Gordo
G
G
Transmission issues
GeoGoGo
Feb 4, 2016
Replies
10
Views
2K
Mar 5, 2016
Sparky
'02 K2500HD 6.0 Idle Issues...
Bartonmd
Jan 22, 2014
Replies
11
Views
2K
Feb 13, 2014
Bartonmd
5.3 oil burning question
northcreek
Feb 10, 2013
Replies
4
Views
2K
Nov 17, 2016
Sparky
M
New 02 sliverado owner! Knock sensor error question
mo_86_05
Oct 7, 2012
Replies
7
Views
2K
Oct 12, 2012
jimmyjam
F
transfer case fluid change question
fredhouse
Nov 25, 2012
Replies
5
Views
2K
Dec 2, 2012
Billdaman
G
Transmission cooler
Gordo
Mar 19, 2013
Replies
8
Views
2K
Mar 20, 2013
Mark20
S
NEED HELP
Speedometer not working/hesitation
Seirra97
Aug 19, 2020
Replies
7
Views
2K
Aug 20, 2020
Mooseman
Rebuilding motor
07TrailyLS
May 30, 2018
Replies
15
Views
2K
Jun 16, 2018
Mooseman
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