Compass 2WD L4-2.0L VIN 0 (2007)
4. Start engine and record reading on oil pressure gauge (1).
CAUTION: If oil pressure is 0 at idle, do not perform the 3000 RPM test
5. If oil pressure is 0 at idle, shut off engine. Check for pressure relief valve stuck open, a clogged oil pick-up screen.
6. Remove oil pan and inspect for debris.
7. Remove oil pressure relief valve.
8. Inspect oil pressure relief valve.
9. If pressure relief valve is ok, replace balance shaft module assembly.
10. After test is complete, remove oil pressure gauge (2) and adapter 9879 (1).
11. Install a new oil pressure temperature sensor (1) and connect electrical connector.