Toyota Cressida/Corona/Crown/MarkII 1970-1982 Repair Guide

Drive Axle

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LEVEL CHECK





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Fig. Fig. 1 When checking the fluid level in the differential, the upper plug is for inspection and the lower for draining

The oil level in the differential should be checked every 6,000 miles and replaced every 18,000 miles (1974, 24,000 miles; 1975-77, 25,000 miles; 1978-81, 30,000 miles) or 24 months, whichever comes first. The oil should be checked with the car on a level surface. Remove the oil filler and upper plug, located on the back of the differential.

The bottom plug is the drain.

The oil level should reach to the bottom edge of the filler hole. If low, replenish with API grade GL-5 gear oil of the proper viscosity. The viscosity is determined by the ambient temperature range. If the temperature averages above 10°F, use SAE 90 gear oil. If the temperature averages below 10°F, use SAE 80 oil. Always check for leaks when checking the oil level.

DRAIN & REFILL





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Fig. Fig. 2 To check the fluid level of the rear axle ...



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Fig. Fig. 3 ... remove the drive axle filler plug



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Fig. Fig. 4 When draining the rear axle ...



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Fig. Fig. 5 ... remove the lower plug on the rear axle to allow the fluid to drain



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Fig. Fig. 6 The drain plug has a gasket; check its condition and replace if needed



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Fig. Fig. 7 Use the proper viscosity gear oil to fill the rear axle differential

All Toyota rear axles use 90 weight, API GL-5 lubricant. Lubricant is changed every 18,000 miles (1970-73), 24,000 miles (1974), 25,000 miles (1975-77), 30,000 miles (1978-82) or 24 months, whichever comes first.

  1. Park the vehicle on a level surface. Set the parking brake.
  2.  
  3. Remove the filler (upper) plug. Place a container which is large enough to catch all of the differential oil, under the drain plug.
  4.  
  5. Remove the drain (lower) plug and gasket, if so equipped. Allow all of the oil to drain into the container.
  6.  
  7. Install the drain plug. Tighten it so that it will not leak, but do not overtighten.
  8.  
  9. Refill with the proper grade and viscosity of axle lubricant. Be sure that the level reaches the bottom of the filler plug.
  10.  
  11. Install the filler plug and check for leakage.
  12.  

 
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