This vehicle will exhibit a tapping noise from the upper end during start up after extended cold soak. We changed the engine oil and retested, same result. installed oil pressure guage to filter and checked oil pressure at idle at 2000 RPM. Needle for pressure...

Summary posted 4/15/2010

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle