Transmission Cooler: Service and Repair

NOTE: Always clean oil cooler when reconditioning/replacing transmission.

To Clean
Disconnect oil return pipe at rear of transmission.
Overfill transmission by approx. 0.3 liter (0.3 qt).
Start engine and allow to idle. Collect contaminated oil and switch OFF engine when clean oil comes out of pipe.
Re-connect pipe.
Check/top up oil level.





Clean Auxiliary Oil Cooler Separately
Disconnect pipes from standard oil cooler. Connect auxiliary oil cooler to an oil supply pump and pump clean oil through.
Re-connect pipes to standard oil cooler.
Start engine and let idle. Check oil level. Illustration shows location of hoses and thermostat valve for different engine types.