Transmission Cooler: Service and Repair

TRANSAXLE FLUID COOLER - BACKFLUSHING AND CLEANING









NOTE:Transaxle fluid cooler backflushing will be carried out using the heated cooler line flusher. Follow the manufacturer's instructions included with the machine. Test the equipment to make sure that a vigorous fluid flow is present before proceeding.
1. Check and top off fluid level of the heated cooler line flusher tank with transaxle fluid.

2. Allow the fluid in the heated cooler line flusher 15-30 minutes to heat up to 60°C (140°F) before using

3. Install the line adapters into the transmission cooler lines.

4. Attach the heated cooler line flusher red line to the transaxle fluid cooler pressure line quick disconnect fitting.

NOTE:The TOP transaxle cooler tube on the transaxle is the pressure line.
5. Attach the heated cooler line flusher blue line to the transaxle fluid cooler return line quick disconnect fitting.

6. Follow the equipment instructions to purge the cooler lines and cooler prior to starting the flushing procedure.

7. Allow the cooling system to backflush for 10-15 minutes, then flush the cooler in a normal flow direction for an additional 10-15 minutes.

8. Clean the transaxle mounted fluid cooler tubes by hand.