2020+ LM2 Duramax Powertrain | Chevy and GMC Duramax Diesel Forum

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3.0 Duramax Positive Experiences?

2 3 4

78

19K

by 98whitelightnin

3.0 Duramax won’t fire

3 4 5

96

9K

by 98whitelightnin

Fuel fill tube size

5

198

First 3.0 Duramax trip to Florida

2

239

What diesel treatment are you using on the babymax

2

21

4K

by Dirk13

4

528

Going back old school - Changing my own oil

2

36

2K

Can the duramax 3.0 tow a bobcat?

2

28

2K

3.0 Duramax Rear main seal

5

789

Oil leaks on new 3.0 Duramax?

2 3

44

6K

9

1K

2021 LM2 Yukon - Hard downshift

4

382

by Super

Damn, I like this truck...

10

2K

3.0 sounds like valve tapping

3

352

18

2K

Check Engine - failed DPF regeneration on 2021 Yukon Duramax - any options to avoid in the future?

2 3

58

4K

2020 GMC 3500 Denali

8

2K

2021 LM2 throwing check engine light? Read this…

0

381

by Fordt

Found & Fixed The "Valve'Problem on 3.0 Liter Diesel .Its not the Valve or Harness

2 3

58

5K

by Fordt

..

0

145

by Fordt

9

566

7

974

Rough Idle (and stall) while in drive - 2021 3.0L Suburban

8

557

by 98whitelightnin

Should i buy 2021 3.0l duramax?????

3 4 5

88

11K

by Stroked06Goat

2020 3.0 Duramax DTC Codes

0

303

by Clarence Farrow

22 refresh delayed

5

696

by Fordt

2

25

17K

Great review on Diesel Engine Oil Filters

15

1K

towing with your LM2??

2 3

45

9K

Oil Change..Education 3.0

2 3

46

4K

2021 or 2022 silverado duramax

4

875

Louder knock/tick + slight bogging after 2nd (stealership) oil change

2

20

1K

Bad Catalytic Converter at 350 miles

2

21

3K

by mightycamper

Timing chain slack causing CEL.

5

536

LM2 start up and radio starts up..

2

338

by mxrob