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Forums
Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade
Engine & Drivetrain
Repairs, tuning, modifications, & maintenance.
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M
New 02 sliverado owner! Knock sensor error question
mo_86_05
Oct 7, 2012
Replies
7
Views
2K
Oct 12, 2012
jimmyjam
T
Need trans shift assist
Tinas
Dec 20, 2021
Replies
5
Views
938
Dec 24, 2021
Mooseman
P
Need thread size 2008 6.0 Express
pell
Jun 10, 2019
Replies
4
Views
2K
Jun 10, 2019
Mooseman
Need advice on prepping my Yukon's oil pan gasket
Busterbrown
Apr 30, 2017
Replies
9
Views
8K
May 9, 2017
Blackwater
B
Mystery transmission leak - 2006 Saab 9-7x 4.2i
Berns
Aug 18, 2023
Replies
3
Views
384
Aug 20, 2023
Mooseman
My fuel gage is slower than I am, now
Reprise
Jan 5, 2021
Replies
2
Views
1K
Jan 6, 2021
Redbeard
R
Motor mounts blown?
Mark20
Jan 25, 2014
Replies
0
Views
944
Jan 25, 2014
Mark20
Misfire in car wash / heavy rain
Mounce
Aug 12, 2018
Replies
16
Views
7K
Sep 9, 2018
littleblazer
SOLVED!
Misfire at higher load
Mooseman
May 20, 2018
Replies
15
Views
13K
May 22, 2018
littleblazer
C
Might try the BG E.P.R. in the Envoy
c good
Dec 27, 2023
Replies
2
Views
189
Dec 28, 2023
BBT2
B
Metal tensioner pulley
Sparky
May 24, 2019
Replies
6
Views
3K
May 25, 2019
Sparky
MBRP Exhaust. Anyone running this?
Fishhunter911
May 29, 2012
Replies
8
Views
2K
Sep 15, 2013
Gordo
G
M
Lost all gears while driving
Mr-Jack
Jan 23, 2018
Replies
5
Views
6K
Jan 23, 2018
mrrsm
R
NEED HELP
Lost 1st and 4th after transmission fluid and filter change
roadswork
Apr 19, 2023
Replies
3
Views
532
Apr 20, 2023
mrrsm
Looking to buy 2015 Sierra 1500 6.2L
DenaliHD66
Nov 9, 2014
Replies
1
Views
984
Nov 9, 2014
BlazingTrails
Looking for an LS Engine...?
mrrsm
Jun 20, 2021
Replies
2
Views
1K
Jun 20, 2021
mrrsm
Looking for a diff guru / advice (Dana)
Reprise
Feb 4, 2019
Replies
26
Views
3K
Mar 12, 2019
Reprise
M
lighting questions
mo_86_05
Feb 20, 2013
Replies
1
Views
1K
Feb 20, 2013
Wooluf1952
Lifter tick, piston slap, or...?
Sparky
Apr 30, 2018
Replies
16
Views
5K
May 19, 2018
Capote
Learn me something about transmissions...
littleblazer
Feb 1, 2019
Replies
27
Views
3K
May 17, 2021
sadpanda
S
Leaking front drivers side axle seal
hawkeye405
Apr 4, 2018
Replies
11
Views
1K
Apr 6, 2018
Mooseman
Lazy upstream O2 sensor - concerns? (w/ screencap)
Reprise
Dec 4, 2019
Replies
8
Views
2K
Dec 6, 2019
Mooseman
M
Laggy Down-shift
Mike
Mar 28, 2014
Replies
6
Views
1K
Mar 21, 2015
DrData
H
lack of power
htseat2000
Sep 16, 2013
Replies
9
Views
2K
Sep 18, 2013
htseat2000
H
Knowledge on 4L60E code P1870 TCC Valve fix.
mikemas
Jul 5, 2015
Replies
10
Views
5K
Jul 14, 2023
mrrsm
Issues after O2 sensors replaced
Pmartin
Nov 26, 2018
Replies
10
Views
4K
Dec 3, 2018
Pmartin
issue 4.3 gmc sierra
stefan_gbm
Jan 10, 2016
Replies
11
Views
1K
Jan 13, 2016
stefan_gbm
M
SOLVED!
Intermittent knock/tick with erratic idle
myork831
Dec 16, 2023
Replies
6
Views
637
Dec 31, 2023
mrrsm
I got spark knock
Sparky
Jun 3, 2016
Replies
8
Views
1K
Jun 16, 2016
gmcman
NEED HELP
Help!! Broke spark plug
Freytx80
Oct 23, 2019
Replies
1
Views
940
Oct 23, 2019
mrrsm
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