Toyota Corolla 1988-1997 Repair Guide

Transfer Case

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FLUID RECOMMENDATIONS



All 4WD vehicles use API GL-5 hypoid type gear oil (oil grade) SAE 80W-90 (viscosity).

LEVEL CHECK



See Figure 1

The oil in the transfer case should be replaced every 15,000 miles (24,000 km).

If the vehicle has just been driven for a long period of time at a high speed or in city traffic in hot weather, or if the vehicle has been pulling a trailer, an accurate oil level can not be obtained. Check the level after 5 minuets or more.

  1. Pull the dipstick out and wipe it clean.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: Check the oil level on the dipstick for the transfer case

  1. Reinsert the dipstick then push it in as far as possible. Pull the dipstick out and look at the oil level. If the level is different on the front and reverse sides of the dipstick, read the level which is lower.
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  3. If the level is low add multi purpose gear oil. Add fluid through the dipstick tube using a funnel to bring the level within range.
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WARNING
Avoid overfilling, it may cause transfer damage.

  1. After add the oil, drive the vehicle for more than 30 seconds and recheck the oil level. Top off if necessary.
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DRAIN & REFILL



Automatic
  1. Remove the lower plug and allow the fluid to drain into a suitable container.
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  3. Reinstall the drain plug and tighten securely.
  4.  
  5. Add new oil through the filler tube, use API GL-5 hypoid type gear oil (oil grade) SAE 80W-90 (viscosity).
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  7. Check that the fluid level is between the land F marks on the dipstick.
  8.  

Do not overfill.

Manual

The front transfer unit is part of the transaxel on all manual vehicles

  1. Raise and safely support the vehicle as necessary. The oil must be hot before it is drained. If the car is driven until the engine is at normal operating temperature, the oil should be hot enough.
  2.  
  3. Remove the left side engine under cover.
  4.  
  5. Remove the filler plug to provide a vent.
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  7. The drain plug is on the bottom of the transfer. Place a large container underneath the transfer and remove the plug.
  8.  
  9. Allow the oil to drain completely. Clean off the plug and replace it. Tighten it until it is just snug.
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  11. Fill the transfer case with the proper oil till it runs out of the filler hole. This usually comes in a plastic squeeze bottle or use a kitchen baster to squirt the oil in. Refer to the Capacities Chart for the proper amount of oil to add.
  12.  
  13. The oil level should come up to the top of the filler hole.
  14.  
  15. Replace the filler plug. Install the engine cover if it was removed.
  16.  
  17. Drive the car for a few minutes, stop, and check for any leaks.
  18.  

 
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