Patriot 2WD L4-2.0L (2008)
Oil Pressure Regulator Valve: Procedures
INSPECTION
NOTE: Pressure regulating valve (4) can be serviced separately from the oil pump assembly.
1. Inspect pressure relief valve (4) scoring, gouging, or debris. Replace as needed.
2. Inspect the pressure relief valve bore in the pump for scoring, gouging, or debris.
3. If pump bore is damaged, replace balance shaft module.
