Disassembly and Assembly

DISASSEMBLY
1. If necessary, remove oil bypass filter.
2. Remove oil pump and filter body to engine front cover retaining bolts and remove oil pump and filter body from engine front cover.
3. Lift pump gears out of pocket in oil pump and filter body.
4. Remove oil pump body seal and discard.
5. Clean sealing surfaces of engine front cover and oil pump and filter body.
6. Using a straightedge and feeler gauge, measure across mounting surface of engine front cover for wear or warpage.
7. If surface is out of flat by more than 0.04 mm (0.0016 inch), replace the engine front cover.

ASSEMBLY
1. Lightly pack gear pocket with petroleum jelly or coat all gear surfaces with Super Premium SAE 5W30 Motor Oil XO-5W30-QSP or equivalent meeting Ford specification WSS-M2C153-G.

CAUTION: Failure to properly coat the oil pump gears may result in failure of the pump to prime when engine is started. Do not use chassis lubricants.

2. Install gears in oil pump and filter body pocket. Make sure petroleum jelly fills all voids between gears and pockets.
3. Position oil pump body seal. Install oil pump and filter body to engine front cover using alignment dowels on engine front cover.
4. Tighten oil pump and filter body retaining bolts to 23-32 Nm (17-23 ft. lbs.) for M8 bolts and 8-11 Nm (71-97 in. lbs.) for M6 bolts.