Torque Converter Cleaning And Inspection

If a new torque converter is being installed, continue with 2.

CAUTION: The torque converter drain plug and seal are not reusable. Discard the drain plug and seal, and install a new drain plug assembly.

If a new torque converter is not being installed, the following procedures must be carried out:
1. The torque converter must be thoroughly cleaned.
  - Torque converter with drain plugs can be cleaned by using a suitable torque converter fluid cooler cleaner.
  - A torque converter without drain plugs can be cleaned by hand. Partially fill the torque converter using only recommended transmission fluid for the applicable transmission. Hand-agitate the torque converter and then thoroughly drain the fluid. Fill the torque converter with new fluid specified for the transmission, and install.
2. All in-tank and auxiliary coolers must be thoroughly cleaned by forward and backward flushing. For additional information, refer to TRANSMISSION FLUID COOLER - BACKFLUSHING AND CLEANING .
3. All cooler tubes must be thoroughly cleaned by backward and forward flushing. For additional information, refer to TRANSMISSION FLUID COOLER - BACKFLUSHING AND CLEANING .
4. All cooler bypass valves (CBV), if equipped, must be thoroughly cleaned.
5. Carry out the Transmission Fluid Cooler Flow Test. For additional information, refer to TRANSMISSION FLUID COOLER .
6. If the transmission cooling system fails the Transmission Fluid Cooler Flow Test, install new components as necessary.
7. If new coolers are to be installed, use only factory-approved repair parts. For additional information, refer to TRANSMISSION FLUID COOLER .