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2020+ GM T1 Platform Powertrain
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2020 Duramax thumping sound
jhc
Oct 31, 2019
42
43
44
861
61K
23 m ago
by
Dean E
E
How does lack of use affect a modern diesel truck.
Enigma66
14 d ago
2
21
2K
2 d ago
by
MWoody35
2020 L5P Oil Filters?
MrGraff
Oct 14, 2019
2
3
4
62
21K
2 d ago
by
MrGraff
17-19 L5P Oil Neck Upgrade
FightinTexasAggie
Jan 16, 2020
2
3
52
4K
7 d ago
by
SoCalDmaxx
Engine "thumping" at idle
inverted_rev
10 d ago
3
272
9 d ago
by
Flitch
2020 L5P Oil Drain Plug Stripped Out
hunter71294
10 d ago
4
359
10 d ago
by
viper8315
M
First service question
Mberlin74
15 d ago
19
809
11 d ago
by
darmah59
R
Winter cover
Robert Ishmael
12 d ago
1
196
12 d ago
by
derbaby33
R
Turbo whine
Robert Ishmael
12 d ago
2
374
12 d ago
by
ultrascott
Sensor cleaning
Climber4
16 d ago
9
372
14 d ago
by
viper8315
Dead Battery Warning - Parking Brake Won't Release
jharp
3 mo ago
8
830
14 d ago
by
jharp
Issues and Recalls
MrGraff
6 mo ago
10
2K
18 d ago
by
Busa Dave
Un-FKN-believable!!
JRSPERF.
2 mo ago
18
2K
23 d ago
by
redwngr
E
2020 duramax
Ezmachineworks
Oct 24, 2019
2
22
14K
27 d ago
by
BOWTIE67
Coolant return line under fan shroud - address if you have a 2020
Desertwarrior
1 mo ago
2
540
1 mo ago
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Desertwarrior
Downhill Operation
JRSPERF.
2 mo ago
Locked
2
3
47
2K
2 mo ago
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JRSPERF.
D
2020 3500 HD L5P knocking
doc898
2 mo ago
2
654
2 mo ago
by
redwngr
P
Allison 10 speed downshifts wrong?
PGAIDUK
Dec 21, 2019
2
27
3K
2 mo ago
by
Desertwarrior
Auto grade brake/High RPM downhill
JRSPERF.
2 mo ago
12
502
2 mo ago
by
JRSPERF.
G
10-Speed Transmission Serviceability
Greenrider
3 mo ago
2
33
3K
2 mo ago
by
ChevyTech77
G
2020 Sierra 2500 AT-4 injector code
Gannon44
3 mo ago
14
786
3 mo ago
by
Gannon44
B
Coolant Leak
blderman
3 mo ago
7
504
3 mo ago
by
MIkey52
P02DB 2020 Duramax #8 Injector
WayLay
3 mo ago
2
626
3 mo ago
by
WayLay
10L1000 Servicing
mostcorey95
3 mo ago
4
1K
3 mo ago
by
mostcorey95
4
Soft Brakes
405 hp
3 mo ago
2
522
3 mo ago
by
Desertwarrior
Front axle actuator fail - truck buyback?
jharp
Dec 28, 2019
10
2K
3 mo ago
by
Nitro Junkie
Looking for good funnel to use with 2.5 gallon oil jug.
Climber4
4 mo ago
11
1K
3 mo ago
by
redwngr
Power steering leak
mihuntn
11 mo ago
8
5K
3 mo ago
by
mihuntn
H
Best Diesel Stabilizer for Winter Storage
H1ghlndr
3 mo ago
6
570
3 mo ago
by
redwngr
2020 Chevy 2500 Duramax Transmission Failure
mcoaker2
8 mo ago
2
26
6K
4 mo ago
by
LFOD1836
2020 2500HD Z71 Fuel Filter Change
N8BR549
4 mo ago
1
1K
4 mo ago
by
Ottowood
JUST BOUGHT 2018 Sierra. New to diesel world
Habbster73
4 mo ago
2
39
2K
4 mo ago
by
Habbster73
U
What programmer will clear DEF/Emissions codes?
UPfan
4 mo ago
6
863
4 mo ago
by
UPfan
S
New Here and Problems
Saltydog235
8 mo ago
2
31
4K
4 mo ago
by
BrokenBackJack
Stuck in Idaho Falls: Failed regen failed forced regens
Dive Bar Casanova
6 mo ago
2
3
54
4K
4 mo ago
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DirtymaxTowpig
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2020+ GM T1 Platform Powertrain
Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.
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