Disconnect negative battery cable and drain engine coolant. Raise and support vehicle. Drain engine oil. Remove oil filter and coolant hoses. Remove oil cooler bolt, oil cooler and oil cooler body. (Scheme 18) To install, reverse removal procedure. Replace oil cooler "O" rings. Install engine oil and coolant. Start engine and check for leaks.
Scheme 18
- Disconnect negative battery cable. Drain engine oil and coolant. Remove timing belt cover and gasket. Turn crankshaft to align pulley match marks. see scheme 7
- Remove timing belt upper idler pulley. Remove timing belt and timing belt automatic tensioner. Mark timing belt rotation direction if belt is to be reused. Remove crankshaft pulley and timing belt drive pulley. Remove thermostat housing. Remove oil pan, oil screen and oil pan block assembly. Remove oil pump assembly. Remove pump cover screws and cover. Remove oil seal from oil pump. (Scheme 19)
Inspection
Check oil pump body, plunger and plunger spring for damage or distortion. Check side clearance. Side clearance should be .0014-.0038" (.035-.096 mm) with a maximum limit of .0051" (.13 mm). Check tooth tip clearance. Clearance should be .0016-.0079" (.04-.20 mm) with a maximum limit of .0094" (.24 mm). Check outer rotor-to-pump body clearance. Clearance should be .0039-.0077" (.100-.196 mm) with a maximum limit of .0091" (.23 mm).
Installation
Apply engine oil to pump body and outside of oil seal before installing NEW seal. Replace coolant inlet pipe gasket. To install, reverse removal procedure. Tighten oil pump bolts to specification. See TORQUE SPECIFICATIONS.
