Oil Pressure Regulator Valve: Service and Repair

OIL RELIEF VALVE

Check the valve for assembly condition and damage, and the relief valve spring for damage and deterioration. Replace the parts if defective.

Relief valve spring:
Free length
73.7 mm (2.902 in)

Installed length
54.7 mm (2.154 in)

Load when installed
93.1 N (9.49 kgf, 20.93 lbf)

OIL PUMP CASE

Check for worn shaft hole, clogged oil passage, worn rotor chamber, cracks and other faults.

FRONT OIL SEAL

Check the front oil seal lips for deformation and hardening, wear.