Torque Converter Cleaning and Inspection

Torque Converter Cleaning and Inspection
Check

1. When a new torque converter is installed the following actions must take place:
^ All cooler lines must be thoroughly cleaned by back and forward flushing using procedures.
^ All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using service procedures.
^ Carry out transmission cooler flow test. If the transmission cooling system fails the flow test, new coolers or lines must be installed. If new cooler lines are to be installed refer to Transmission Cooling. If new coolers are to be installed. use only factory approved service parts.

2. If a new torque converter is not being installed, do the following:
^ Thoroughly clean the torque converter. For additional information, refer to Torque Converter Flushing.
^ All cooler lines must be thoroughly cleaned by back and forward flushing.
^ All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing.
^ Carry out transmission cooler flow test. If the transmission cooling system fails the flow test, new coolers or lines must be installed. If new cooler lines are to be installed, refer to Transmission Cooling. If new coolers are to be installed, use only factory approved service parts.
3. Carry out all torque converter checks listed.





4. NOTE: If leaks or damages are detected during inspection, a new torque converter should be installed.

Check seal contact surface on impeller hub of torque converter for excessive wear or scoring.
5. Inspect the torque converter studs for damage.