changedmy OPSU and oil pump and filter n oil and pressure still drops --why

Asked by Nov 15, 2015 at 04:40 PM about the 2007 Chevrolet Silverado 1500 LTZ Crew Cab 4WD

Question type: Maintenance & Repair

oil pressure was dropping n bells and whistles were going off changed
sending unit and still drops--changed oil pump and filter n oil still drops --but
no knocking is there something that needs to be reset

1 Answer

51,825

No knocking or ticking? See, there is a screen under the oil pressure sending unit that needs to be fished out and cleaned. It collects very small dubree particles and gets plugged up not allowing proper oil flow to the oil sending unit thus giving you a false oil pressure.

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