This procedure applies to vehicles equipped with automatic transaxles only.
Wagons 1984-1986 sedans use API GL-5 (oil grade), SAE 90 (viscosity) gear oil. 1987-1994 sedans use Dexron® II automatic transmission fluid.
The oil in the differential should be checked at least every 15,000 miles (24,000 km) and replaced every 25,000-30,000 miles (40,200-48,200 km).
- With the car parked on a level surface, remove the filler plug from the differential assembly. The plug on the bottom of the differential assembly is the drain plug.
- If the oil begins to trickle out of the hole, there is enough. Otherwise, carefully insert your finger (watch for sharp threads) into the hole and check to see if the oil is up to the bottom edge of the filler hole.
- If necessary, add the appropriate fluid through the opening until the level is at the edge of the hole. Most gear oils come in a plastic squeeze bottle with a nozzle, making additions simple. You can also use a common everyday kitchen baster.
- Replace the filler plug and run the engine for a while. Turn off the engine and check for leaks.
DRAIN AND REFILL
See Figures 1 and 2
The fluid in the differential should be changed at least every 25,000-30,000 miles (40,200-48,200 km). To drain and fill the differential, proceed as follows:
- Park the vehicle on a level surface. Set the parking brake.
- Remove the filler (upper) plug. Place a container which is large enough to catch all of the differential oil, under the drain plug.
- Remove the drain (lower) plug and gasket, if so equipped. Allow all of the oil to drain into the container.
- Install the drain plug. Tighten it so that it will not leak, but do not overtighten.
- Refill with the proper lubricant. Be sure that the level reaches the bottom of the filler plug.
- Install the filler plug and check for leakage.