Torque Converter Cleaning And Inspection

When a new or remanufactured torque converter is installed the following actions must take place:
1. All cooler lines must be thoroughly cleaned by back and forward flushing using service manual procedures.
2. All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using service manual procedures.
3. Carry out transmission cooler flow test as outlined in this section. 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 TRANSAXLE/TRANSMISSION COOLING . If new coolers are to be installed, use only factory approved service parts and refer to (ENGINE COOLING ).
If a new or remanufactured torque converter is not being installed, do the following:
1. Thoroughly clean the torque converter.
2. All cooler lines must be thoroughly cleaned by back and forward flushing using service manual procedures.
3. All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using service manual procedures.
4. Carry out Transmission Fluid 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 TRANSAXLE/TRANSMISSION COOLING . If new coolers are to be installed, use only factory approved service parts and refer to ENGINE SYSTEM-GENERAL INFORMATION .
Carry out all torque converter checks listed in this article.

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

Fig 1: Checking Seal Contact Surface On Impeller Hub Of Torque Converter

Courtesy of FORD MOTOR CO.

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