Converter Housing and Fluid Pump

Special Tools:

Disassembly

1. Remove the fluid pump gasket and fluid pump seal rings.
1. Remove and discard the fluid pump gasket.
2. Remove and discard the fluid pump seal ring (square cut).

2. Remove the fluid pump support seal ring.

3. Remove the fluid pump housing.
1. Remove the six fluid pump screws.
2. Remove the fluid pump support and gear and the fluid pump adapter plate.

4. Inspect the fluid pump support needle bearings and cage for scored or missing rollers and alignment of lube holes.

5. Inspect the coast clutch feed hole for blockage or damage.
1. Rotate the pump bearing and locate the coast clutch feed hole.
2. Inspect the coast clutch feed hole for blockage or damage.

6. Note: Inspect the needle bearing for damage and install new if necessary.

Remove the lower seal.

7. Note: This step only needs to be carried out if there is damage to the bearing.

Assemble the special tools onto the front pump assembly.

8. CAUTION: Do not over tighten the tool or damage to the bearing may occur.

Note: This step only needs to be carried out if there is damage to the bearing.

Note: The Pinion Bearing Cone Remover Tool must fit into the lower seal groove.

Using the special tools, remove the needle bearing.

9. Note: This step only needs to be carried out if there is damage to the bearing.

Inspect the front pump outer race for scoring or nicks, if any damage is found the pump assembly will need to be replaced.

10. 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 serviced separately.

Remove the fluid pump gears and front pump adapter plate.

11. Remove the drive gear O-ring and discard. Inspect the fluid pump gears for cracks and scoring. Replace front pump support and gear assembly if damaged.

12. Inspect front pump.
1. Inspect the front pump support gear pockets for scoring and wear.
2. Clean and inspect the front and rear input shaft bushings.
13. Inspect the fluid pump adapter plate for scoring and wear.

14. Note: The fluid pump-to-converter housing bushing is not serviced separately. If service is required, the converter housing must be replaced.

Inspect the fluid pump-to-converter housing bushing and converter hub-to-converter housing seal. Replace converter housing assembly if necessary.

15. Remove the converter hub-to-converter housing seal.
1. Install the Seal Remover into the converter hub-to-converter housing seal.
2. Remove the converter hub-to-converter housing seal.

Assembly

1. Thoroughly clean all parts and blow dry with mo1sture free compressed air.

2. Note: Minor burrs and scoring may be removed with crocus cloth. If damage is found, the pump must be replaced as an assembly.

Inspect the converter housing and fluid pump components for the following:
- Cracks and scoring of the pump gears.
- Front and rear input shaft bushings for scoring and wear.
- Fluid pump support needle bearing and cage for scored or missing rollers.
- Pump gear pockets for scoring and wear.
- Fluid pump adapter plate for scoring and wear.
- Fluid pump to converter housing bushing for scoring and wear.
- Pump body and case for burrs.
- Fluid passages for obstructions.
- Converter housing for cracks.

3. Note: Check and make sure that the garter spring in the seal has not popped off of the converter hub-to-converter housing seal.

Install a new converter hub to housing seal onto the Converter Seal Replacer.

4. CAUTION: Place the converter housing on a block of wood or equivalent to protect the converter hydraulic passages on the backside.

Note: Do not finish converter housing and fluid pump reassembly at this time. Assembly is completed during transmission assembly to correctly set front end clearance.

Use the Converter Seal Replacer and install the new converter hub-to-converter housing seal into the converter housing, until it bottoms in the housing.

5. Note: This step only needs to be carried out if the bearing was removed.

Clean and lubricate the outer surface with petroleum jelly.

6. Note: This step only needs to be carried out if the bearing was removed.

Place the bearing over the pump assembly making sure that the lube feed hole is facing down.

7. Note: This step only needs to be carried out if the bearing was removed.

Using the special tool, install the bearing.

8. Note: This step only needs to be carried out if the bearing was removed.

Inspect that the bearing is properly seated on the pump. Inspect the top portion of the pump that it was not damaged, and the bearing rotates freely.