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GMtrucknut!! · 05-03-2013, 09:47 PM

Yes definitely do that and before you check it with a mechanical gauge crank it over to be sure no sludge has plugged the passage to the sending unit which will give a false reading.

05-03-2013, 09:47 PM	#2
GMtrucknut!! Registered User Join Date: Dec 2011 Location: Attica,indiana Posts: 264	Re: oil pressure light on-question Yes definitely do that and before you check it with a mechanical gauge crank it over to be sure no sludge has plugged the passage to the sending unit which will give a false reading.