Torque Converter and Transmission Cooling System Cleaning

NOTE: MERCON Automatic Transmission Fluid is being replaced by MERCON V as a service fluid.

Check
1. When a new torque converter is installed the following actions must take place:
1 All cooler lines must be thoroughly cleaned by back and forward flushing using appropriate procedures.
2 All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using appropriate procedures.
3 Perform transmission cooler flow test. If the transmission cooling system fails the flow test, new coolers or lines must be installed. 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:
1 Partially fill the torque converter using MERCON or MERCON V automatic transmission fluid or equivalent meeting Ford specification.
^ Hand agitate the converter and then thoroughly drain the fluid.
^ Fill with MERCON or MERCON V automatic transmission fluid or equivalent meeting Ford specification, and reinstall.
2 All cooler lines must be thoroughly cleaned by back and forward flushing using appropriate procedures.
3 All coolers (in-tank and auxiliary) must be thoroughly cleaned by back and forward flushing using appropriate procedures.
4 Perform transmission cooler flow test. If the transmission cooling system fails the flow test, new coolers or lines must be installed. If new coolers are to reinstalled, use only factory approved service parts.