Changing the Transmission Fluid

Changing the transmission fluid
1. Place the car on a lift. Engage P and apply the handbrake. Chock the wheels if a track lift is being used.
Convertible: Remove chassis reinforcement, front subframe, CV.





2. Place a receptacle under the car and drain the transmission fluid through the bottom plug. Refit the plug with a new seal. Use protective gloves.
Tightening torque 45 Nm (33 ft. lbs.)

Warning: The oil may be very hot if the car has just been driven.

3. Detach the oil cooler hose connections from the transmission.





4. Remove the seals from the transmission. Use 83 90 270 Sliding hammer and 87 92 319 Adapter, 3/8" - M10 and 87 92 756 Oil pipe puller.

Important: Take care that the sealing surfaces are not damaged.

5. Fit new seals with 87 92 814 Fitting tool, oil pipe seal and lubricate the seals with 30 06 665 Vaseline.

Important: The shoulder presses the hole in the seals when the hose connections are fitted.

6. Clean the pipe connections and connect a hose with 10mm inside diameter to one of the pipe connections.
7. Fit the other pipe to the transmission coolant output. Fit the nut and a large washer for support. Do not tighten too hard.





8. Remove the dipstick and lower the car.
9. Connect the hose with 87 92 822 Oil filler funnel to the dipstick hole.
10. Fill with 4 litres of automatic transmission fluid as specified, see Weight, fluid capacity and Grade of fluid.

Important: Oil is filled through the dipstick hole. Do not remove any plugs on top of the gearbox.

11. Place the hose in a graduated receptacle that holds at least 2 l. Start the engine with the selector lever in the P position. Draw off 2 l of used fluid. Turn off the engine.
12. Fill with 2 l of new fluid in the transmission.
13. Start the engine in P and draw off 1 litre of old fluid. Turn off the engine.
14. Raise the car, remove the hoses and put back the dipstick.
15. Lubricate the hose connections with Vaseline and fit them to the transmission.
Tightening torque 6 Nm (4 ft. lbs.)
16. Lower the car. Engage P and start the engine. Fill with fluid to dipstick level "cold".
17. Connect Tech 2. Run the engine until the temperature reaches 80±C in menu "Read values" TCM.
18. Check the fluid level and top up as necessary. See Checking the transmission fluid level. The difference between max and min marks is 0.5 litres.
Convertible: Fit chassis reinforcement, front subframe, CV.