Oil Pump: Service and Repair

Oil Pump Replacement

Tools Required
^ J 35268-A Camshaft/Front Main Seal Installer
^ J 42065 Crank Hub Holding Tool
^ J 42098 Crank Hub TORX Socket

Removal Procedure





1. Disconnect the negative battery cable.
2. Remove the intake air cleaner assembly.
3. Remove the front timing belt cover.
4. Remove the timing belt.
5. Remove the rear timing belt cover.
6. Remove the A/C compressor and the idler power steering bracket bolts.
7. Position the A/C compressor and the idler bracket out of the way of the oil pump housing and secure.
8. Remove the generator lower mounting bolt.
9. Loosen the upper generator mounting bolt.
10. Pivot the generator out of the way and secure.





11. Remove the oil pan.
12. Remove the oil pump pickup tube.





13. Mount the J 42065 to the crankshaft drive gear.





14. Use the J 42098 to remove the crankshaft drive gear bolt.
15. Remove the crankshaft drive gear.





16. Remove the oil pump bolts.
17. Remove the 3 oil pan housing bolts that thread into the oil pump.
18. Remove the oil pump.
19. Remove the front main oil seal and the collar from the oil pump.
20. Clean the oil pump sealing surfaces if pump is to be reinstalled.





21. Clean the engine block and the upper oil pan housing sealing surfaces.
22. Ensure all the old sealant, gasket material and residual oil is removed.

Installation Procedure





1. Coat the pump side of the new oil pump gasket in the crosshatched areas shown in the illustration with a thin, even coating of Permatex Anaerobic Flange Sealant, or equivalent.

Important: Do not cover and/or restrict the gasket openings with the excess sealant.

2. Install the oil pump gasket.
3. Install the oil pump and align with the guide pins.

Notice: Refer to Fastener Notice in Service precautions.

4. Apply Permatex Threadlocker Blue P/N 21485278, or equivalent, to oil the pump bolts and install the bolts.
^ Tighten the oil pump bolts L81 to 9 Nm (80 inch lbs.).





5. Install the oil pump collar.
6. Install the front main oil seal. Coat the lip of the front of the main oil seal with a small amount of clean engine oil to aid in installation.
7. Use the J 35268-A to install the front main oil seal.
8. Ensure that the front main oil seal is fully and evenly seated.





9. Install the crankshaft drive gear.
10. Install a new crankshaft drive gear bolt.
^ Tighten the crankshaft drive gear bolt L81 to 250 Nm (184 ft. lbs.).





11. Install the oil pump pickup tube.
12. Install the oil pump pickup tube bolts.
^ Tighten the oil pickup tube bolts L81 to 8 Nm (71 inch lbs.).
13. Install the oil pan.





14. Release and pivot the generator into place and install the generator lower mounting bolt.
^ Tighten the generator mounting bolts L81 to 40 Nm (30 ft. lbs.).
15. Position the A/C compressor and idler pulley bracket.
16. Install the A/C compressor and bracket bolts.
^ Tighten the A/C compressor bracket bolt L81 to 40 Nm (30 ft. lbs.).
17. Install the rear timing belt cover.






Notice: The oil pump bolts must be re-tightened after the generator mounting bolt has been tightened to specifications to allow for uniform compression of the oil pump gasket.

18. Install and tighten the drive belt idler pulley for camshafts 3 and 4. Tighten the oil pump bolts.
^ Tighten the oil pump bolts L81 to 9 Nm (80 inch lbs.).





19. Install the timing belt.
20. Install the intake air cleaner.
21. Connect the negative battery cable.
^ Tighten the battery terminal bolts to 17 Nm (13 ft. lbs.).