2017-19 GM T-K2 Platform Powertrain | Chevy and GMC Duramax Diesel Forum

low coolant message 8200 miles

8

4K

Real Payload Limit

17

3K

Definitive L5P Regen thread

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220

L5P Coolant Loss / Issues.. -- suggestions and analysis please

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20

362

L5P transmission temps high vs 2015 lml

2

21

4K

L5P Emissions Monitors- How to make "Ready"

7

357

Squeaking Metal'ish Sound from Front of Engine

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1K

sound similar to a bearing going out (UPDATED with video on page 3)

2 3

51

8K

Don’t waste money on cold air intake.

2

32

2K

by Nitro Junkie

2 3 4

63

14K

Transmission Lunge???

6

506

by jeremyschultz

DEF Fluid Mileage

2 3 4

74

79K

Looking into 2020 l5p any thoughts?

3

1K

L5P losing coolant?

7

7K

momentary stutter under acceleration x 3

16

5K

2017 L5P blowing 30 amp emissions fuse

1

236

2018 3500HD - P129F code, left stranded.

15

1K

Considering a 2018/2019 vs a LMM

7

419

by 07GFX

2017 Extended Warranty Options (Sorry for starting another)

5

389

by 07GFX

8

2K

2018 L5P 3500 stumbles

2

37

16K

by wnc-Silverado

L5P and after will never be tuned. Period.

66 67 68

1K

535K

Matt's L5P info dump...

65 66 67

1K

339K

by M.A.M.

GM upper cylinder cleaning procedure

3

417

Transmission cooler return line 2017 - yours will eventually fail by design

6 7 8

159

49K

3

792

by Rick19762020

2018 DURAMAX DEF PROBLEM

11

442

Annoying engine typewriter tick "normal operation" BS

2 3

52

39K

Reading the oil dipstick

1

231

L5P and CEL issue

10

467

2017 L5P Low Fuel Rail Pressure

2

240

Low Fuel Rail Pressure

6

2K

Anyone happy with their L5P

9 10 11

209

84K

by long-time-dmax

2018 Coolant leak when cold

5

300

by bigred_six.6

Reliability-only - Tuned LML vs Stock L5P

2 3

52

3K

by Melonhead1102