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Chev / GMC Duramax 2020+ LM2 Forums
2020+ LM2 Duramax Powertrain
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F
P1098 - Coolant control valve fixed
Flyfisherholms
6h ago
1
41
2h ago
by
jwober1
New gen 2 3l vs gen 1 3l engine
walleyes1961
1d ago
2
161
6h ago
by
redwngr
2021 3.0 gmc sierra p1098 code!
bleedinorange17
Nov 7, 2023
34
5K
9h ago
by
philipprice1000
2022 Silverado Transmission Problem?
eg3twang
Apr 29, 2022
2
42
14K
11h ago
by
jmboyett75
Oil Consumption
kmcdonaldsc
Jun 30, 2022
2
73
17K
3d ago
by
barhammichael18
AC Delco Dexos D 0w-20 oil
Border Bandit
Oct 3, 2022
2
3
107
20K
3d ago
by
rdjeeps
Q
Check Engine - failed DPF regeneration on 2021 Yukon Duramax - any options to avoid in the future?
Qwiklap
May 3, 2021
2
81
32K
3d ago
by
BoiseRob
D
Second NOx sensor failure in 1100 miles
DubVBenz
Mar 10, 2024
16
734
3d ago
by
DubVBenz
M
2020 Sierra LM2 3.0 duramax bad turbo?
MunkMaster
Mar 14, 2023
2
60
8K
5d ago
by
dhoppy
H
Wiring diagram for 2021 push start button
Hate2looz
Feb 3, 2024
2
79
2K
6d ago
by
Hate2looz
M
lm2 intake manifold gasket
mgrovef1
Mar 11, 2024
7
221
6d ago
by
Madbuzz41
Q
Code P2C7A and associated message
Quadiesel
Oct 2, 2022
2
73
48K
6d ago
by
MMM923
Belt tensioners on 2021 3.0
chrisjlima66
Dec 15, 2022
27
5K
Mar 11, 2024
by
erikmoreno38
Q
Oil Filter
Quadiesel
Mar 9, 2024
15
448
Mar 9, 2024
by
Hockeypuck
3l more issues than 6.2l
walleyes1961
Mar 8, 2024
4
311
Mar 9, 2024
by
JayLLY
3.0 reduce engine power
Jburleson
Jan 22, 2021
20
22K
Mar 8, 2024
by
Dukkha108
J
LM2 Intercooler drain and refill
jwober1
Mar 7, 2024
3
215
Mar 7, 2024
by
jwober1
J
LM2 Transmission fluid change
Jlowder
Nov 20, 2023
11
2K
Mar 7, 2024
by
jwober1
F
2023 Key Fob Programming
flylow21
Mar 7, 2024
4
262
Mar 7, 2024
by
flylow21
M
GM-produced Hydra-Matic 10L80 10-speed automatic transmission
MosesT
Feb 27, 2024
17
911
Mar 7, 2024
by
Piper One
Starting issues
blewbayou720
Mar 27, 2023
12
2K
Mar 7, 2024
by
blewbayou720
D
Idler Pulley on Yukon 3.0
DirtyDiesel6_6
Mar 5, 2024
4
232
Mar 5, 2024
by
L-u-k-a-s
L
Exhaust manifold part number
LZ02024
Feb 23, 2024
7
314
Mar 4, 2024
by
Hate2looz
P
Re-gearing my 2021 Silverado 3.0
Pete Pardo
Feb 28, 2024
4
403
Mar 3, 2024
by
Ron Nielson
DEF - Miles to Speed Limit Warning -- Did GM change the programming??
redwngr
Dec 5, 2022
19
9K
Mar 3, 2024
by
redwngr
CAC Coolant Low & Strong Odors
wyvern
Feb 28, 2024
20
572
Mar 3, 2024
by
StephenPT
L
LZ0 P2463 Code
LZ0_Omen
Oct 19, 2023
4
1K
Mar 2, 2024
by
Bweitz
A
P0747 check engine light code
At4joe
Jul 27, 2023
10
2K
Mar 1, 2024
by
rob1sonjr
C
LM2 vs. L5P Performance comparison
caveng
Feb 9, 2024
Locked
15
926
Feb 29, 2024
by
viper8315
D
Why can't we always run 8 quarts of oil
Duramaxlz0
Feb 8, 2024
13
2K
Feb 29, 2024
by
redwngr
VSE Fuel System Saver Issues
wyvern
Feb 23, 2024
6
520
Feb 28, 2024
by
wyvern
D
3.0 Duramax
Dominic06
Dec 11, 2021
2
3
94
55K
Feb 28, 2024
by
tomkelly15
GM letter on #2 Glow Plug
Oh Chevy Diesel
Feb 21, 2024
19
700
Feb 27, 2024
by
BabyDiesel
L
LZ0 Holset turbo part number
LZ02024
Feb 26, 2024
6
255
Feb 27, 2024
by
LZ02024
H
Under Carriage coating
Hockeypuck
Feb 9, 2024
25
1K
Feb 24, 2024
by
Hate2looz
1
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2020+ LM2 Duramax Powertrain
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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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Hate2looz
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