For 1990-2009 cars

### Removal Procedure

#### Tools Required

• | J 39344 Harmonic Balancer Installer

• | J 41816 Crankshaft Balancer Remover

• | J 28467-360 Engine Support Fixture

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable.
2. Remove the drive belt. Refer to Drive Belt Replacement .
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
4. Drain the crankcase.
5. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
6. Remove the right splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
7. Remove the right front antilock brake system (ABS) wheel speed sensor harness from the right suspension support.
8. Remove the right front ball joint (3), the cotter pin (1), and the nut (2). Separate the ball joint from the control arm.
9. Remove the right outer tie rod cotter pin and the nut. Separate the rod from the spindle.
10. Remove the A/C compressor bolts and support the compressor. Refer to Air Conditioning Compressor Replacement in HVAC Systems with A/C - Manual.
11. Position the compressor aside. Support the compressor. Refer to Air Conditioning Compressor Replacement in HVAC Systems with A/C - Manual.
12. Remove the evaporator to the accumulator A/C line.
13. Remove the transmission flywheel inspection cover.
14. Remove the right front and the right rear engine cradle bolts.
15. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
16. Remove the starter. Refer to Starter Motor Replacement in Engine Electrical.
17. Remove the oil pan side bolts.
18. Remove the oil pan bolts.
19. Remove the oil pan.
20. Remove the oil pan gasket.
21. Clean the following items:

• | The oil pan flanges

• | The oil pan rail

• | The front cover

• | The rear main bearing cap

• | The threaded holes

### Installation Procedure

1. Install a new gasket. Place sealant on the oil pan gasket tabs if you are installing the rear main bearing cap. Place the sealer on the tabs that insert into the gasket groove of the outer surface on the main bearing cap. Use GM P/N 1052080 or the equivalent.
2. Install the oil pan.

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.

3. Install the oil pan retaining bolts.

Tighten
Tighten the retaining bolts to 25 N·m (18 lb ft).

4. Install the oil pan side bolts.

Tighten
Tighten the side bolts to 50 N·m (37 lb ft).

5. Position the cradle and install the bolts. Refer to Front Suspension Crossmember Replacement in Front Suspension.
6. Install the starter. Refer to Starter Motor Replacement in Engine Electrical.
7. Install the flywheel inspection cover.
8. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
9. Install the A/C compressor to the engine. Refer to Air Conditioning Compressor Replacement in HVAC Systems with A/C - Manual.
10. Install the A/C lines from the evaporator to the accumulator.
11. Install the right side ball joint. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
12. Install the right side tie rod end to the spindle.
13. Connect the right front antilock brake system (ABS) wheel speed sensor harness.
14. Install the right splash shield. Refer to Wheelhouse Splash Shield Replacement in Body Front End.
15. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
16. Lower the vehicle.
17. Remove the engine support fixture.
18. Install the upper and the lower radiator hoses. Refer to Radiator Hose Replacement in Engine Cooling.
19. Install the drive belt. Refer to Drive Belt Replacement .
20. Fill the crankcase.
21. Connect the negative battery cable. Refer to Cooling System Draining and Filling in Engine Cooling.
22. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging in HVAC Systems with A/C - Manual.