Oil Pump Replacement. Chevrolet Corsica 1996

For 1990-2009 cars

### Removal Procedure

1. Remove the oil pan. Refer to Oil Pan Replacement .
2. Remove the oil pump to rear main bearing cap bolt.
3. Remove the oil pump.
4. Remove the extension shaft and the retainer.

### Installation Procedure

#### Tools Required

J 25087-C Oil Pressure Tester

1. Heat the retainer in hot water.

Important: Be sure the retainer does not crack upon installation.

2. Install the retainer to the extension shaft.
3. Install the extension to the oil pump.
4. Install the oil pump.
5. Install the oil pump to rear main bearing cap bolt.

Tighten
Tighten the bolt to 43 N·m (32 lb ft).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

6. Install the oil pan. Refer to Oil Pan Replacement .
7. Remove the oil pressure sending unit.
8. Install the J 25087-C .
9. Start the engine and observe the oil pressure.
10. Check for bearing knock. If necessary, dismantle and check for adequate oil supply and proper clearances.