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Transmission Fluid Cooler Backflushing and Cleaning

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools

Illustration Tool Name Tool Number
GF0006779
Turbo-Tank Heated Cooler Line Flusher 222-00004
Material

Item Specification
MERCON® V Automatic Transmission Fluid
XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)
MERCON® V
NOTE: Transmission fluid cooler backflushing will be carried out using the special tool. Follow the manufacturer's instructions included with the machine. Test the equipment to make sure that a vigorous transmission fluid flow is present before proceeding.
  1. Check and top off fluid level of the special tool tank with transmission fluid.
  2. Allow the transmission fluid in the flusher 15-30 minutes to heat up to 60°C (140°F) before using.
  3. Install the line adapters into the transmission cooler tubes.
  4. NOTE: The FRONT transaxle cooler tube on the thermal bypass valve is the cooler pressure tube.
  5. Attach the flusher's red line to the transmission fluid cooler pressure tube quick disconnect fitting.
  6. Attach the flusher's blue line to the transmission fluid cooler return tube quick disconnect fitting.
  7. Follow the equipment instructions to purge the cooler lines and cooler prior to starting the flushing procedure.
  8. 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.
  9. Clean the transaxle mounted transmission fluid cooler tubes and the thermal bypass valve by hand.