For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Remove the timing belt. Refer to Timing Belt Replacement.
3. Remove the rear timing belt cover. Refer to Timing Belt Rear Cover Replacement.
4. Disconnect the oil pressure switch connector.
5. Remove the oil pan. Refer to Oil Pan Replacement.
6. Remove the oil pump retaining bolts.
7. Carefully separate the oil pump and gasket from the engine block and oil pan.
8. Remove the oil pump.

### Inspection Procedure

1. Clean the oil pump and the engine block gasket mating surface areas.
2. Remove the safety relief valve bolt.
3. Remove the safety relief valve and the spring.
4. Remove the oil pump-to-crankshaft seal.
5. Remove the oil pump rear cover.
6. Clean the oil pump housing and all the oil pump components.
7. Inspect the oil pump components for signs of wear. Replace the worn oil pump parts.

Note: Pack the oil pump gear cavity with petroleum jelly to ensure the oil pump will prime.

8. Coat all the oil pump parts with clean engine oil.

Caution: Refer to Fastener Caution in the Preface section.

9. Apply LOCTITE 242 to the oil pump rear cover bolts, install the cover and bolts, and tighten to 20 N·m (15 lb ft).
10. Install the safety relief valve, spring, washer and bolt and tighten to 30 N·m (22 lb ft).

### Installation Procedure

1. Apply LOCTITE 242 to the oil pump bolts and room temperature vulcanizing (RTV) sealant to the new oil pump gasket.
2. Install the gasket to the oil pump and install the oil pump to the engine block with bolts. Tighten the bolts to 10 N·m (89 lb in).
3. Install a new oil pump-to-crankshaft seal. Coat the lip of the seal with a thin coat of grease.
4. Install the oil pan. Refer to Oil Pan Replacement.
5. Connect the oil pressure switch connector.
6. Install the rear timing belt cover. Refer to Timing Belt Rear Cover Replacement.
7. Install the timing belt. Refer to Timing Belt Replacement.
8. Connect the negative battery cable.