Hyundai Coupes/Sedans 1986-1993 Repair Guide

Manual Transaxle

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FLUID RECOMMENDATIONS



These units use SAE 75-85W or 85W-90 GL-4/GL-5 gear oil.

LEVEL CHECK



See Figure 1

Check the lubricant level at the interval specified in the maintenance chart.

  1. With the car parked on a level surface, remove the filler plug from the side of the transmission case.
  2.  
  3. If lubricant begins to trickle out the hole, there is enough. Otherwise, carefully insert a finger (watch out for sharp threads) and check to see if the oil is up to the edge of the hole.
  4.  



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Fig. Fig. 1: Checking the manual transaxle oil level

  1. If not, add lubricant through the hole to raise the level to the edge of the filler hole. Most gear lubricants come in a plastic squeeze bottle with a nozzle, making additions easy, you can also use a squeeze bulb. Add gear oil GL-4/GL-5.
  2.  
  3. Replace the plug and check for leaks.
  4.  

DRAIN AND REFILL



It is relatively easy to change your own gear oil. The oil level should be checked twice a year and changed every 36,000 miles or three years, whichever comes first. The only equipment required is a drain pan, a socket to fit the filler and drain plugs, and an oil suction gun or gear oil in a squeeze bottle. Gear oil can be purchased in quarts or gallon cans at automotive supply stores.

To change the oil:

  1. Raise and safely support the front end on jackstands.
  2.  
  3. Slide a drain pan under the drain plug.
  4.  
  5. Remove the filler plug and then the drain plug.
  6.  
  7. When the oil has been completely drained, install the drain plug.
  8.  
  9. Using the squeeze bottle or suction gun, refill the gearbox to the level of the filler plug.
  10.  
  11. Install and tighten the filler plug.
  12.  

 
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