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Transmission Fluid Cooler - BACKFLUSHING And Cleaning

WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using a suitable torque converter/fluid cooler cleaner, flush the fluid cooler and lines.
  2. NOTE: Rubber hoses must be attached to the ends of the fluid cooler tubes, to aid in connecting them to the cleaner.
  3. Connect the cleaner pressure and return lines appropriately.
    1. Connect the pressure line to fluid cooler inlet tube.
    2. Connect the return line to fluid cooler outlet tube.
    3. Place the outlet end of the return line in the solvent tank reservoir.
  4. NOTE: Cycling the solvent pump on and off will help dislodge contaminants in the cooler system.
  5. Switch the solvent pumps on. Allow the solvent to circulate a minimum of 5 minutes.
  6. Switch the solvent pump off.
  7. Disconnect the cleaner pressure line at the fluid cooler tube.
  8. Using compressed air, blow through the fluid cooler inlet tube until all solvent is removed.
  9. Remove the rubber hoses from fluid cooler tubes.