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where is the fuel pump fuse or relay on 2005 duramax diesel
where is the erg valve located on a 2005 DuraMax 2500
If the Sierra is a duramax Deisel the it holds 12 qts. If it's a gasoline engine then it holds 5 qts
10gt.with filter and aways replace filter.
The OBD codes P1232 and P1244 on a Duramax 6.6 diesel could mean that the surge wire is mis- firing. Check to see if there is chafing on the chuggle connector circuit.
If it is cold outside then yes it is best to plug it in to make for an easier start and less stress on the engine.
You can find a diagram for a water pump rebuild on a 2005 GMC Sierra 3500 6.6 liter diesel in the Chilton repair manual. You can also check local auto stores.
900 gallons read a manual!
It is inside the trans, on the valve body.