Renault Coupes/Sedans/Wagons 1975-1985 Repair Guide

Transaxle

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FLUID RECOMMENDATIONS



In all manual transaxles use only standard GL-5 hypoid gear oil-SAE 80W, SAE 80W/90 or SAE 90W.

In all automatic transaxles use only DEXRON II® or superceding fluid.

LEVEL CHECK



Manual Transaxle
  1. Raise and support the vehicle with jackstands, preferably in a level attitude. Remove the filler plug from the side of the transaxle housing.
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  3. If the lubricant begins to trickle out of the hole, there is enough and you need not go any further. Otherwise, carefully insert your finger (watch out for sharp threads) and check to see if the oil is up to the edge of the hole.
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  5. If not, add oil through the hole until the level is at the edge of the hole. Most gear lubricants come in a plastic squeeze bottle with a nozzle; making additions simple. You can also use a common kitchen baster. Use only standard GL-5 hypoid-type gear oil-SAE 80W, SAE 80W/90 or SAE 90W.
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  7. Replace the filler plug and lower the vehicle.
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  9. Drive the car and check for leaks.
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Automatic Transaxle


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Fig. Fig. 1 Automatic transaxle fluid dipstick location and markings-(A) is for a cold fluid level check, but it's recommended to check the fluid when it is hot (B)



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Fig. Fig. 2 Add automatic transaxle fluid through the dipstick opening

Always use DEXRON II® (ATF) or equivalent. The use of Type F (ATF) or any other fluid will cause severe damage to the transaxle.

The fluid level in an automatic transaxle is checked when the transaxle is at operating temperatures. If the vehicle has been sitting and is cold, drive it at highway speeds for at least 20 minutes to warm up the transaxle. The transaxle dipstick is located under the hood.

  1. With the transaxle in Park, the engine running at idle speed, the foot brakes applied and the vehicle resting on level ground, move the transaxle gear selector through each of the gear positions, including Reverse, allowing time for the transaxle to engage. Return the shift selector to the Park position and apply the parking brake. Do not turn the engine off, but leave it running at idle speed.
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  3. Clean all dirt from around the transaxle dipstick cap and the end of the filler tube.
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  5. Pull the dipstick out of the tube, wipe it off with a clean cloth, and push it back into the tube all the way, making sure that it seats completely.
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  7. Pull the dipstick out of the tube again and read the level of the fluid on the stick. The level should be between the ADD and FULL marks. If fluid must be added, add enough fluid through the tube to raise the level up to between the ADD and FULL marks. Do not overfill the transaxle because this will cause foaming and loss of fluid through the vent and malfunctioning of the transaxle.
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DRAINING & REFILLING



The automatic and manual transaxle fluid should be changed every 30,000 miles or 30 months. It is also a good idea to change the fluid if you have purchased the car used or if it has been driven in water high enough to reach the axles.


CAUTION
Draining of the transaxle fluid requires the vehicle to be driven until the engine has reached normal operating temperatures. Care must be taken to avoid burning your hands or skin.

Manual Transaxle


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Fig. Fig. 3 Manual transaxle fluid drain (D) and refill (A) points



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Fig. Fig. 4 To drain the manual transaxle, loosen the drain plug on the bottom of the unit ...



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Fig. Fig. 5 ... then position a catch pan under the transaxle, and remove the plug

  1. Drive the vehicle until the engine reaches normal operating temperature (10-20 miles). This insures that the transaxle fluid is HOT, which results in a thorough fluid change because HOT fluid holds more dirt or debris in suspension. HOT fluid also drains easier and faster, leaving less residual oil in the transaxle unit.
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  3. Raise the vehicle and support it with jackstands. Remove the filler plug to provide a vent.
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  5. Place a suitable container underneath the transaxle and then remove the drain plug.
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  7. Allow the oil to drain completely. Clean off the drain plug and replace it; tighten it until it is just snug.
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  9. Fill the transaxle with the proper grade of lubricant until the fluid is level with the plug opening.
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  11. Install the filler plug and lower the vehicle. Drive the car for a few minutes, stop, and check for any leaks.
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Automatic Transaxle


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Fig. Fig. 6 Automatic transaxle fluid drain plug (6)-Fuego shown, other models are similar except Alliance and Encore



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Fig. Fig. 7 Alliance and Encore automatic transaxle drain points

  1. Drive the vehicle until the engine reaches normal operating temperature (10-20 miles). This insures that the transaxle fluid is HOT, which results in a thorough fluid change because HOT fluid holds more dirt or debris in suspension. HOT fluid also drain easier and faster, leaving less residual oil in the transaxle unit.
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  3. Place a suitable container underneath the transaxle. Remove the drain plug and allow the oil to drain completely.
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  5. Clean off the drain plug, then install it and tighten securely.
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  7. Lower the vehicle and add 3 1 / 4 quarts of new fluid through the dipstick opening. Start the engine and allow it to idle in park.
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  9. Check the fluid level and add enough fluid to fill it. Drive the car for a few minutes, stop, and check for any leaks.
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