Torque Converter Cleaning and Inspection

1. If the torque converter is being replaced, continue with Substep 2 of Step 2.
2. If the torque converter is not being replaced, the following procedures must be performed:
1 The torque converter must be thoroughly cleaned.
+ Torque converters with drain plugs can be cleaned by using Torque Converter/Oil Cooler Cleaner.
+ Torque converters 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. Refill the torque converter with new fluid specified for transmission, and reinstall.

2 All in-tank and auxiliary coolers must be thoroughly cleaned by forward and backward flushing.
3 All cooler lines 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, the fluid cooler, cooler bypass valve, and/or cooler lines must be replaced.
7 If the coolers are to be replaced, use only factory approved service parts.