Seals and Gaskets: Service and Repair
BORG WARNER 66REAR EXTENSION HOUSING OIL SEAL
Remove and refit
Removing
WARNING: Chock both front wheels to prevent the vehicle moving.
Service tool: Torque wrench CBW 547 B-75; engine support tool MS 53A
Disconnect the battery
Position service tool MS 53 (A) across the rear engine lifting eye and set the hook to support the engine.
Remove the nut at the centre of the mounting and recover the plain washer. Remove the nuts and washers securing the forward end of the tie-plate to the rear of the transmission casing.
Remove the fastenings securing the heat shield. Locate the lack to support the mounting plate and release the four setscrews and washers.
Lower the rack and remove the mounting plate.
Recover the spring washers. spacers and rubber rings.
Remove the locknuts from the bolts securing the forward and rear brackets of the mounting, and recover the spacing tubes.
Remove the locknuts securing the mounting rubbers to centre bracket.
Remove the screw securing the intermediate heat shield; withdraw the shield.
Remove the screws securing the rear heat shield to the rear engine mounting support plate.
Remove the six bolts and special washers securing the rear engine mounting support plate to the floor pan.
Remove the bolts and special washers securing the rear engine mounting support plate to the transmission tunnel.
Remove the self-locking nuts and bolts securing the propeller shaft to the gearbox output flange. swing the propeller shaft to one side.
NOTE: This operation will be greatly facilitated if one rear wheel (both wheels if "Powr-Lok" differential is fitted) is raised and the gear selector placed in "N" (Neutral), thereby enabling the propeller shaft to be rotated.
Using engine support tool, lower rear of engine slightly.
CAUTION: Ensure that the engine does not foul the heater water valve.
Fig. 71:
Place the selector lever in "P" (Park).
Remove the bolt and plain washer (1, Fig. 71) securing the gearbox output flange (2. Fig. 71); withdraw the flange.
Prise the oil seal (3, Fig. 71) out of the rear extension housing. discard the seal.
Refitting
Lightly score the oil seal recess in the rear extension housing.
Smear the new oil seal with clean transmission fluid and gently tap the seal into the recess. Ensure that the seal is fully seated.