no oil going to left or right heads on a 2004 yukon 5.3l

Asked by Dec 30, 2016 at 06:23 PM about the 2004 Chevrolet Silverado 1500 LT Extended Cab LB RWD

Question type: Maintenance & Repair

just changed oil pessure sensor and have 20lbs of pressure but still no oil to
rockers

1 Answer

120,145

20 psi is very low. By any chance has the head gaskets been replaced recently? If the wrong gaskets were installed they could block oil passages.

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