Removing
1. Jack up the car and put it on stands.
2. Drain the gear oil from the differential and remove the center section of the exhaust system.
3. Mark the installation position and disconnect the rear end of the cardan shaft from the differential (see Section Removal and installation of cardan shaft).
4. Remove the axle shafts (see Section Removal and installation of rear axle shafts (1993 AWD Galant models)).
5. At an appropriate complete set remove assembly of the steering pump of a steering drive of back wheels.
6. Self-locking nuts can be used on the large bolts securing the differential base plate to the underside of the vehicle. Support the differential in the center with a trolley jack before loosening the nuts. Loosen the nuts and remove the base plate from the rear of the differential box (s) and a square-shaped vibration damper.
7. Lower the differential assembly and remove it from under the vehicle.
Installation
1. Get differential on the regular place and screw bolts of a bearing beam. Replace all self-locking nuts.
2. If equipped, reinstall the rear wheel steering pump.
3. Having replaced lock rings, establish back half shafts.
4. Install the cardan shaft.
5. Establish the central section of system of release of the fulfilled gases with the muffler.
6. Lower the vehicle to the ground.
7. Fill the differential case with fresh gear oil.