- Remove oil pan. See «OIL PAN»(ref-49853-S36605046042001011600000) under REMOVAL & INSTALLATION. Remove oil pump bolt. Remove pump and extension shaft. On all engines remove pick-up tube (if necessary).
- Remove pump cover. Mark relationship between gears at a meshing point for reassembly. Remove gears. Remove pressure regulator valve retaining pin. Remove pressure regulator valve and spring.
Inspection
Inspect pump body and cover for cracks or excessive wear. Inspect pump gears for damage or wear. Check drive gear shaft for looseness in pump body. Check pressure regulator valve for fit in bore. Replace entire pump assembly if damaged. Inspect inlet tube and screen assembly for damage.