Oil Pump: Service and Repair

Special Tools:

Removal
1. Prepare the vehicle for oil pump removal.
1. Drain the engine oil.
2. Remove the engine oil filter.
3. Remove the crankshaft vibration damper.

2. Remove the bolts and the oil pump body plate. Remove and discard the O-ring seal.

3. Remove the outer and inner gerotors.

Installation

1. CAUTION: The inner gerotor must be installed with the words "OUT" or "DAMPER" facing away from the engine.

Note: The inner gerotor must be installed onto the crankshaft nose before the oil pump is installed onto the engine front cover.

Install the inner gerotor.

2. CAUTION: The outer gerotor must be installed with the words "OUT" or "DAMPER" facing away from the engine.

Lubricate the oil pump with clean engine oil. Position the outer gerotor in the oil pump body plate. Install a new O-ring seal. Position the oil pump body plate and outer gerotor on the crankshaft nose. Install the bolts.

3. Using the special tools, carefully remove and discard the crankshaft front seal.
4. Thoroughly clean the crankshaft front seal mounting surface.
5. Coat the new crankshaft front oil seal with Multi-Purpose Grease DOAZ-19584-AA or equivalent meeting Ford specification ESB-M1C93-B.

6. Note: If necessary, rotate special tool 303-484 (T94T-6700-AH) to align it with the crankshaft key.

Position the crankshaft front oil seal. Install the special tools.

7. Using the special tools, install the new crankshaft front oil seal until it is fully seated.
8. Restore the vehicle to operating condition.
1. Install the crankshaft vibration damper.
2. Install a new engine oil filter.
3. Fill the engine with the correct amount and type of engine oil.
4. Start the vehicle and check for leaks. Repair as necessary.