Diesel Data: Automotive Repair

Oil Pan: Service and Repair

OIL PAN

REMOVAL

LOWER OIL PAN
1. Drain the engine oil.





2. Remove the lower splash shield screws (1) and the splash shield.





3. Remove the transmission oil cooler line retainer bolts (1). Reposition the cooler lines out of the way.





4. Remove the lower oil pan retaining bolts and the lower oil pan (1).

REMOVAL - UPPER OIL PAN
1. Disconnect the negative battery cable.
2. Raise and support the vehicle.





3. Remove the lower splash shield screws (1) and the splash shield (2).
4. Remove the lower oil pan.
5. Remove the front exhaust pipes
6. Disconnect the oil level/temperature sensor harness connector.





7. Remove the front engine mount bolts (1).
8. Lower the vehicle.
9. Remove the engine cover
10. Remove the dipstick tube.
11. Install and engine support bracket.

NOTE: Be sure not to lift the engine to far. Damage to the coolant hoses, power steering lines, and A/C lines could occur.

12. Raise the engine using the support bracket.
13. Raise the vehicle.





14. Remove the 24 upper oil pan bolts (1).





15. Separate the upper oil pan from the engine block.

INSTALLATION

LOWER OIL PAN





NOTE: The components using sealant must be assembled within ten minutes of sealant application.

1. Clean the lower oil pan and the lower portion of the upper oil pan gasket surfaces thoroughly.
2. Apply a 1.5 mm to 2.5 mm bead of Loctite 5900 sealant or equivalent to the lower oil pan sealing surface (1) as shown.
3. Install the lower oil pan and oil pan bolts. Tighten the lower oil pan bolts to 14 Nm (10 ft. lbs.).





4. Position and install the transmission cooler lines and retainers (1). Tighten the bolts to 10 Nm (7 ft. lbs.).





5. Install and tighten the oil pan drain plug to 30 Nm (22 ft lbs.).
6. Install the lower splash shield and screws (1). Tighten the screws to 5 Nm (44 in. lbs.).
7. Lower the vehicle.
8. Fill the crankcase to the specified oil level.
9. Start the engine and check for leaks.

INSTALLATION - UPPER OIL PAN





1. Clean the gasket surfaces thoroughly.

NOTE: The components using sealant must be assembled within ten minutes of sealant application.

2. Apply a 1.5 to 2.5 mm. bead of Loctite 5900 sealant (1) or equivalent to the oil pan sealing surface as shown.





3. Position the upper oil pan on the engine block.
4. Install the oil pan bolts with the proper size and length bolt in the correct bolt hole.
^ (1) M6 X 20
^ (2) M6 X 40
^ (3) M6 X 90
^ (4) M8 X 30
5. Tighten the M6 size bolts to 10 Nm (89 in. lbs). Follow the tightening sequence diagram.
6. Tighten the M8 size bolts to 20 Nm (15 ft. lbs.). Follow the tightening sequence diagram.
7. Install the lower oil pan.
8. Lower the vehicle.
9. Lower the engine back into position using the support bracket.
10. Remove the engine support bracket.
11. Install the dipstick tube.
12. Raise the vehicle.





13. Install the front engine mount bolts. Tighten the bolts to 35 Nm (26 ft. lbs.).
14. Connect the oil level/temperature sensor harness connector.
15. Install the front exhaust pipes.





16. Install the lower splash shield (2) and retaining screws (1). Tighten screws to 5 Nm (44 in. lbs.).
17. Lower the vehicle.
18. Install the engine cover
19. Refill engine oil to proper specification.
20. Connect the negative battery cable.