04.5-05 LLY Duramax Powertrain | Chevy and GMC Duramax Diesel Forum

Sticky 04.5 and 05 LLY issues

10 11 12

230

248K

by Col. Walter E. Kurtz

Sticky Read Before Posting Please

12

16K

by Col. Walter E. Kurtz

Sticky LLY / LBZ Mouthpiece Flow Data

9 10 11

217

107K

Sticky Engine RPO Codes

7

16K

by Duramax_diesel

Sticky LLY Low Oil Pressure

2

21

58K

by tnpete

Hydroboost part number and fitment help

2

33

4K

Another LLY...Another Headgasket.. VIDEOS

13

548

by Alexander Swanson

Injector Balance Rates Good/Bad?

2

34

21K

2005 LLC Service 4WD message

0

45

Dtc P0102, P0381, P0650, P0646 + airbag light

6

232

by Teemu

Trans or t case?

6

180

LLY Injector Tick

3

105

04.5 LLY Compression Spec's..

0

66

More coolant leaking

2

664

Lly lots of engine noise

7

497

by DMVet

P0113, P0237, P0612 Killing fuel gauge until cleared?

2

83

Cruise control not working

7

196

Lly limp abs brake lights on

7

178

04.5 lly losing coolant only when temp is 180+

5

118

Thermostat/coolant/ headgasket issue

5

146

2

32

8K

8

1K

Rear end popping/slipping noise and vibration.

14

5K

Y Bridge Bolt ???

13

720

by nwohiochevyguy

Installed Fingers stick now p0102 Code

9

330

by recycledDino

Bad FICM and ECM

2

319

1

144

by SilverGorillaLML

LLY Oil Cooler..Again

8

297

by Beardo

Oil on injector

1

454

Blowing holes in side of injector lines

3

139

What is this on the fuel sending unit? 05 LLY

6

2K

Head gasket and ARP's worth it on this truck?

2 3

48

7K

No Reverse, Engine Code P0700, TCM Code P0741 and P0743

1

3K

Egr delete throwing codes not sure how to fix

13

885

Transfer Case shaft play

1

129

Very Intermittent No Throttle Response?

0

27

No start no fuel

10

440

Head gaskets blown on LLY

18

275

by SilverGorillaLML

2005 LLY headgasket job: what else to replace/upgrade?

2

24

814

05 Duramax engine wiring harness problems

3

1K