2004 or 2004.5? [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: 2004 or 2004.5?


dtreid
06-15-2010, 06:44 PM
I've got a 2004 Chev 2500, long box, crewcab, duramax. How do I tell if I have an LB7 or LLY engine?

dirtymax44
06-15-2010, 06:54 PM
if the 8th digit in the vin number is 2 you have an LLY

Brad92
06-15-2010, 06:59 PM
if the 8th digit in the vin number is 2 you have an LLY
Correct, if the 8th digit is a 1, its an LB7, if its a 2, its an LLY.

1LTREATR
06-15-2010, 07:39 PM
keep your fingers crossed that its a 2!!!

kbbingham
06-15-2010, 09:03 PM
keep your fingers crossed that its a 2!!!

So what he can worry about over heating! Had an LLY, I'll take my LB7 over it an day.

dtreid
06-15-2010, 09:12 PM
It's an LLY. Sounds like that's a good thing.

1LTREATR
06-15-2010, 09:37 PM
over heating LLY? atleast theres a FIX for the problem. Can we say that for our 2k dollar sets of injectors?

bigfellastrain
06-16-2010, 05:58 PM
I agree putting that kind of money injectors when I could be using it to enjoy something else and knowing that I will have to do it again if I keep the truck. Not as much fun as just fixing an overheating issue.