Oil Pump Replacement

Oil Pump Replacement

Tools Required

* EN-48036 Oil Pump Alignment Tool
* J 45059 Angle Meter

Removal Procedure




1. Remove the engine front cover.
2. Remove the oil pump drive to crankshaft balancer friction washer.




3. Remove the 3 oil pump assembly retaining bolts (1, 2, 3) identified by the larger head size.
4. Slide the oil pump assembly off the nose of the crankshaft with the drive collar in place.




5. Remove the crankshaft sprocket to oil pump drive friction washer.
6. Disassemble the oil pump as necessary.
7. Clean and inspect the oil pump.
8. Assemble the oil pump if necessary.

Installation Procedure




1. Install the crankshaft sprocket to oil pump drive friction washer.




2. Install the oil pump drive spacer (1) into the oil pump (2) so that the drive flat engages the pump rotor.




3. Install the oil pump.





Notice: The EN 48036 must be used during the installation of the oil pump. Failure to use the EN 48036 to align the oil pump to the crankshaft can lead to oil pump damage and severe engine damage.

4. Install the EN-48036 over the crankshaft nose and up to the oil pump.




5. Loosely install the oil pump bolts.




6. Apply force by hand to the EN-48036 against the oil pump in order to align the pump to the oil pump drive.
7. Install the retaining bolts.





Notice: Refer to Fastener Notice.

8. While keeping force on the EN-48036 tighten the oil pump bolts in sequence (1, 2, 3) as shown.
1. First Pass
Tighten the oil pump mounting bolts in sequence to 10 N.m (89 lb in).
2. Final Pass
Tighten the oil pump mounting bolts in sequence an additional 35 degrees using the J 45059.
9. Remove the EN-48036.




10. Install the oil pump drive to crankshaft balancer friction washer.
11. Install the engine front cover.