- Disconnect negative battery cable. Remove dipstick, tube and "O" ring. Drain engine oil and coolant. Remove drive belts, crankshaft and water pump pulleys. Remove generator. Remove A/C compressor and mounting bracket with hoses attached, and suspend aside. Remove timing belt and related components. See «TIMING BELT»(ref-8459-S21131665092000083000000) under REMOVAL & INSTALLATION.
- Hold crankshaft in place, and remove crankshaft sprocket lock bolt. Remove crankshaft sprocket boss and sprocket. Leave crankshaft Woodruff key in place.
- Remove oil pan and oil pump pick-up tube. See «OIL PAN»(ref-8459-S10163113162000083000000) under REMOVAL & INSTALLATION. Remove oil pump housing assembly. Using a screwdriver, protected with a rag, drive oil seal out from inside of oil pump housing assembly.
- Remove pump cover screws (use a manual impact screwdriver, if necessary). Remove pump cover. Note location of alignment marks on inner and outer rotors. Remove inner and outer rotors. To remove pressure relief valve, remove cotter pin, spring seat, pressure spring and control plunger. (Схема №39)
Inspection
Replace pressure relief valve spring if length is not as specified. See OIL PUMP SPECIFICATIONS table. Ensure plunger slides freely in bore. Replace oil pump housing assembly if clearances are not as specified. See OIL PUMP SPECIFICATIONS table.