Aerostar 2WD V6-245 4.0L (1990)
Seals and Gaskets: Service and Repair
REMOVAL
1. Raise and support vehicle.
2. Install scribe marks on propeller shaft end yoke and rear axle companion flange, then remove propeller shaft.
Replacing Extension Housing Rear Seal And Bushing
3. Using extension housing seal remover tool No. T71P-7657-A or equivalent, remove oil seal.
4. Using extension housing bushing remover tool No. T77L-7697-E or equivalent, remove extension housing bushing.
INSTALLATION
1. Using extension housing bushing replacer tool No. T77L-7697-F or equivalent, install new extension housing bushing.
2. Inspect sealing surface of universal joint yoke for scoring, replacing yoke as necessary.
3. Inspect counterbore of housing for burrs, removing as necessary.
4. Using extension housing seal replacer tool No. T74P-77052-A or equivalent, install new oil seal. Coat inside diameter at end of rubber boot
portion of seal and the front universal joint spline with suitable lubricant.
5. Install propeller shaft, aligning scribe marks, then lower vehicle and check transmission fluid level, adding fluid as necessary.
