For 1990-2009 cars only
- Remove the 5 bolts and separate the oil pump halves.
- Remove the retainer (2), the spring (3) and the relief valve (4).
- Apply light air pressure to the oil jet. Inspect the oil jet for damage or clogging.
- Remove and inspect the relief valve. Coat the relief valve with oil and check that it falls smoothly into the valve hole by its own weight.
Important:
• Do not remove the oil pump sprocket. Damage to the oil pump drive
shaft or abnormal oil pump operation may result. • If the oil pump is found to be damaged or worn excessively replace
the oil pump as an assembly.
Caution: Wear safety glasses in order to avoid eye damage.
