Question about 2006 Chevrolet Silverado 2500HD 2WD

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Where can I find or download a pdf Service Manual for a 2006 Chevrolet Silverado 2500HD, 8100 Gasoline Motor with Allison transmission? The oil pressure gauge stopped working and I am fairly certain it is the oil sending unit that needs to be replaced but on the 8100 motor it's not a typical sending unit, or so I am told. Is it loacted next to the distributor, screwed into the head just below the manifold on the drivers side of the block?

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Those are sold on ebay in book for and on CD.

Posted on Nov 08, 2010


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