Oil Pump Replacement

Figure 77-Oil Pump And Pick-up Tube:

REMOVAL
The oil pump pressure relief valve can be serviced by removing the oil pan.
1. Refer to procedure outlined in this section for removing the following components:
- Crankshaft Damper
- Timing Chain Cover
- Timing Chain
- Crankshaft Sprocket
- Oil Pan

2. Remove oil pick-up tube and O-ring .
3. Remove oil pump attaching bolts.
4. Remove oil pump.

INSTALLATION
1. Prime oil pump before installation by filling rotor cavity with engine oil.
2. Install oil pump carefully over crankshaft and into position.
3. Install oil pump attaching bolts. Tighten bolts to 28 Nm (250 inch lbs.).
4. Install oil pick-up tube with new O-ring. Lubricate O-ring before installation. Tighten attaching bolts to 28 Nm (250 inch lbs.).
5. Install the following remaining components following procedures outlined in this section:
- Oil Pan
- Crankshaft Sprocket
- Timing Chain
- Timing Chain Cover
- Crankshaft Damper

6. Fill Crankcase with proper engine oil to correct level.