Fluid Pump
Special Tools:
Disassembly
1. Remove the fluid pump gasket, fluid pump seal ring, and the No. 1 thrust washer.
1 Remove and discard the fluid pump gasket.
2 Remove and discard the fluid pump seal ring (square cut).
3 Remove and tag the No. 1 thrust washer.
2. Remove the fluid pump support seal ring.
3. Remove the seal rings.
4. Remove the fluid pump housing.
5. Note: A rough casting on the pump surface crescent is not a flaw.
Note: The fluid pump gears are part of the pump assembly and are not repaired separately.
Remove the fluid pump gears.
6. Remove the drive gear O-ring seal and discard. Inspect the fluid pump gears for cracks and scoring.
7. Inspect the overdrive pump.
- Inspect the overdrive pump support gear pockets for scoring and wear.
- Clean and inspect the overdrive and rear input shaft bushings.
8. Inspect the fluid pump adapter plate for scoring and wear.
9. Inspect the fluid pump to converter housing bushing.
Assembly
1. Note: Minor burrs and scoring may be removed with crocus cloth. If damage is found, install a new assembly.
Inspect the fluid pump components for the following:
- Pump body and case for burrs.
- Fluid passages for obstructions.
2. Note: Check and make sure that the garter spring in the seal has not popped off of the converter hub seal.
Install a new seal onto the special tool.
3. Using the special tool, install the converter hub seal.
4. Install a new O-ring seal in fluid pump drive gear.
5. CAUTION: Lubricate the special tool with Ford Multi-Purpose Grease DOAZ-19584-AA or equivalent meeting Ford specification ESB-M1C93-B.
Using the special tool, seat the O-ring seal in the pump gear.
6. CAUTION: The chamber on the inside edge of the small gear must be up when in the pump housing gear pocket. The dimple on the larger gear must be down when in the pump housing gear pocket.
Install the pump gears into the fluid pump housing. Apply Ford Multi-Purpose Grease DOAZ-19584-A or equivalent meeting Ford specification ESB-M1C93-B to pump gear to prevent scoring at start up.
7. First install the fluid pump adapter plate and then the alignment pins in their correct location.
8. CAUTION: The special tools must be used to correctly align the pump with the adapter plate to reduce gear noise, bushing failure, and leakage.
Using the special tool, align the fluid pump to the adapter plate.
9. Using the special tools, assemble the pump.
10. Loosely install the fluid pump housing screws in their correct location and remove the special tools.
11. Install the two remaining screws.
12. Tighten all of the fluid pump screws in a star pattern.
13. Install a new fluid pump seal ring.
14. CAUTION: Verify correct seal installation. Make sure seal grooves are clean and free of burrs.
Install the seal.