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Started By
Message
re: OT Mechanics: 2000 GMC Sierra 6.5 Diesel won't start
Posted on 3/4/14 at 2:42 pm to G Vice
Posted on 3/4/14 at 2:42 pm to G Vice
I took it to a local shop. I didn't want to get in over my head. I did come across a lot about the lift pumps going bad by googling. How would I have checked it though?
This post was edited on 3/4/14 at 2:42 pm
3
Posted on 3/4/14 at 2:46 pm to prairiedog
Check your fuel filter housing for a leak. I had the same problem two months ago. I've got a 2006 duramax.
Posted on 3/4/14 at 2:56 pm to PSU2LSU
quote:
I think you are talking about the PMD (pump mounted driver) sometimes called a FSD . I am pretty sure that this is his problem. Pretty easy to change it out and relocate it like you said.
If you are sure it is primed the PMD is the problem. There is one bolt that makes it extremely difficult to remove but it can be done with patience.
Posted on 3/4/14 at 2:58 pm to prairiedog
Your diesel mechanic would check it.
Posted on 3/4/14 at 4:49 pm to G Vice
WD40 safer than starting fluid. I used it in my 1986 6.2 about every day.
Posted on 3/4/14 at 5:07 pm to prairiedog
quote:
I took it to a local shop. I didn't want to get in over my head. I did come across a lot about the lift pumps going bad by googling. How would I have checked it though?
Turned the key (not crank, just key on) with the lid off the fuel filter bowl. If if works, diesel will come pouring out.
Posted on 3/4/14 at 5:27 pm to prairiedog
quote:
How would I have checked it though?
Test it by putting a cold wet rag on the PMD, or by carefully pouring a cup of cold water on it. It's a little black box the size of a deck of cards on the side of the injection pump.
Posted on 3/4/14 at 5:45 pm to 7flat
Thank you! No diesel at all. 
Posted on 3/4/14 at 5:50 pm to prairiedog
Get a new one
Posted on 3/4/14 at 9:46 pm to prairiedog
quote:
Thank you! No diesel at all.
You said you had already bleed it. How did you bleed it if the lift pump wasn't working?
Posted on 3/4/14 at 10:08 pm to highcotton2
No shite. He said it was working fine. Same thing I was wondering
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