no crank, no start - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 4 (permalink) Old 12-23-2019, 10:01 AM Thread Starter
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no crank, no start

Drove to Home Depot this morning and come out and it won't crank. Dash lights up, radio works. Put it into neutral and no change. Lock/unlock doors in case it was some security feature. No change.

I walk to a GMC dealership less than a 1/4 mile away to see if they can diagnose. I get back and it starts right up. It's at the dealership now to see if they can find the problem, but I'm suspecting I'll get back a "could not replicate."

Any ideas? I'm thinking a wire is grounded out somewhere.

2006 Chevrolet Silverado 2500HD LT
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post #2 of 4 (permalink) Old 12-23-2019, 11:33 AM
J83
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Originally Posted by chuckd83 View Post
Drove to Home Depot this morning and come out and it won't crank. Dash lights up, radio works. Put it into neutral and no change. Lock/unlock doors in case it was some security feature. No change.

I walk to a GMC dealership less than a 1/4 mile away to see if they can diagnose. I get back and it starts right up. It's at the dealership now to see if they can find the problem, but I'm suspecting I'll get back a "could not replicate."

Any ideas? I'm thinking a wire is grounded out somewhere.
it could be a lot of things, but based on the drove to a store, got out and no crank, then cranked later, i would guess the starter is toast, and will only crank when cold. It could be a lot of other things though, but its not uncommon for a starter to work cold and not work hot. Otherwise i would check the relays and fuses for corrosion / spread terminals and go over your grounds and battery lugs, though i think its unlikely to be a charging system issue given it started shortly after.

2015 Chevy Silverado 2500 HD 6.6L LML
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post #3 of 4 (permalink) Old 12-23-2019, 12:02 PM
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Loose terminal on the starter.
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post #4 of 4 (permalink) Old 12-23-2019, 02:51 PM Thread Starter
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Dealer called and said it started all day long. I need to replace the fuel filter anyway so I'll take a look at the starter when I'm in there.

2006 Chevrolet Silverado 2500HD LT
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