Removal and Installation
NOTE:The oil pump and oil pan must be removed together.
NOTE:
Disarm airbag system as outlined under Air Bags and Seat Belts / Air Bags / Service and Repair Service and Repair
Relieve fuel system pressure as outlined under Powertrain Management / Fuel Delivery and Air Induction / Service and Repair Service and Repair
REMOVAL
1. Disconnect battery ground cable and remove air filter assembly and/or associated parts.
2. Drain cooling system and remove upper radiator hose.
3. Remove fan shroud and fan.
4. Remove oil filler tube.
5. Disconnect power steering hose from steering gear.
6. Remove oil dipstick and tube.
7. Disconnect junction block from bracket.
8. If equipped, disconnect auxiliary heater hoses from engine.
9. Remove inside engine cover and remove upper intake manifold.
10. Raise vehicle.
11. Drain oil pan.
12. Remove exhaust pipe-to-manifold bolts, exhaust pipe-to-muffler clamp, and muffler support bolt.
13. Disconnect Heated Oxygen Sensor (H02S) and remove exhaust pipe and front catalytic converters.
14. Remove four engine mount retaining nuts.
15. Remove starter wiring clip.
16. Raise engine 102mm (4.0 inches) and support.
17. Remove oil pan retaining screws and lower pan onto crossmember.
18. Remove oil pump retaining bolts and lower pump into oil pan.
19. Remove oil pan and oil pump intermediate shaft.
20. Lift oil pump out of pan.
INSTALLATION
1. Clean oil pan and cylinder block gasket surfaces. Inspect for damage to sealing surfaces and distortion of pan from over-tightening bolts. Repair and straighten as required.
2. Apply silicone rubber in two places at front cover, two places on flange, and two places on gasket at rear main bearing cap-to-block seam and put gasket into place on block.
3. Set oil pump in place in oil pan.
4. Put oil pump intermediate shaft into place and position oil pan on front crossmember.
5. Make sure intermediate shaft is properly seated and install oil pump and retaining bolts. Tighten oil pump bolts to 30-43 Nm (22-32 ft lb).
6. Position oil pan and reinforcements in place. Install and alternately tighten all 1/4" bolts to 9-14 Nm (84-120 in lb). Tighten four remaining 5/16" bolts to 16-24 Nm (12-18 ft lb).
7. Install starter wiring clip.
8. Raise engine, remove supports, and lower engine onto mounts.
9. Install engine mount retaining nuts and tighten.
10. With help of assistant, install exhaust pipe and catalytic converters. Tighten exhaust pipe-to-manifold nuts to 33-49 Nm (24-36 ft-lb).
11. Connect heated oxygen sensor.
12. Lower vehicle.
13. Install upper intake manifold.
14. Install inside engine cover.
15. If equipped, connect auxiliary heater hoses.
16. Connect junction block to bracket.
17. Install oil dipstick and tube.
18. Connect power steering hose to steering gear.
19. Install oil filler tube.
20. Install fan shroud and fan.
21. Install upper radiator hose.
22. Fill cooling system and engine oil.
23. Install air filter assembly and/or associated parts.
24. Connect negative battery cable.
25. Start engine, bleed power steering system and check for leaks.