Torque Converter Cleaning and Inspection
TORQUE CONVERTER CLEANING AND INSPECTION1. 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 procedures.
2 All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using procedures.
3 Carry out transaxle cooler flow test as outlined. If the transaxle cooling system fails the flow test, new coolers or lines must be installed. If new cooler lines are to be installed, refer to TRANSAXLE FLUID COOLER TUBES. If new coolers are to be installed, use only factory approved service parts and refer to AUXILIARY TRANSAXLE FLUID COOLER.
2. 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 procedures.
3 All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using procedures.
4 Carry out transaxle cooler flow test as outlined. If the transaxle cooling system fails the flow test, new coolers or lines must be installed. If new cooler lines are to be installed, refer to TRANSAXLE FLUID COOLER TUBES. If new coolers are to be installed, use only factory approved service parts and refer to AUXILIARY TRANSAXLE FLUID COOLER.
3. Carry out all torque converter checks listed in this section.
Note: If leaks or damage are detected during inspection, a new torque converter should be installed.
4. Check seal contact surface on impeller hub of torque converter for excessive wear or scoring.
5. Inspect the torque converter studs for damage.