Transmission Fluid Cooler Backflushing and Cleaning
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Part Number | Description |
|---|---|---|
| 1 | - | Transmission fluid cooler outlet tube |
| 2 | - | Transmission fluid cooler inlet tube |
| Item | Part Number | Description |
|---|---|---|
| 1 | - | Transmission fluid cooler outlet tube |
| 2 | - | Transmission fluid cooler inlet tube |
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
- Remove the retainer, the 5 bolts and the LH splash shield.
- Backflush any contaminants from the oil-to-air cooler by connecting the flushing machine pressure line to the transmission fluid cooler outlet tube and the return line to the transmission fluid cooler inlet tube.
After 5 minutes, stop the machine, reverse the hoses and repeat the flushing.
- Using compressed air, blow through the transmission fluid coolers until all fluid is removed.
CAUTION:
Do not exceed 276 kPa (40 psi) of air pressure when flushing the transmission fluid cooler or damage to the internal transmission fluid cooler fins will occur.
CAUTION:
Flush with clean transmission fluid only. Do not use solvents, mineral spirits or water-based cleaners.
CAUTION:
Do not exceed 276 kPa (40 psi) of air pressure when flushing the transmission fluid cooler. Damage to the transmission fluid cooler will occur.
NOTE:
Some vehicles are equipped with a cold weather bypass valve which cannot by cleaned or flushed. A new valve should be installed as part of an overhaul or prior to the installation of a remanufactured transaxle.