Torque Converter Cleaning and Inspection
Torque Converter Cleaning And Inspection1. If a new torque converter is being installed, continue with Substep 2 of Step 2.
2. CAUTION: If equipped, the torque converter drain plug and seal are not reusable. Discard the drain plug and seal, 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.
^ CAUTION: Use only clean automatic transmission fluid specified for this transmission. Do not use supplemental transmission fluid additives, treatments or clean agents. The use of these materials can affect transmission operation and result in damage to internal transmission components.
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.
3 All cooler tubes must be thoroughly cleaned by backward and forward flushing.
4 All Cooler Bypass Valves (CBV), if equipped, must be thoroughly cleaned.
5 Carry out the Transmission Fluid Cooler Flow Test.
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.