Cooler Bypass Valve

Removal

1. CAUTION: The CBV must be cleaned and backflushed after it transmission overhaul, prior to installing or transmission damage may result.

Raise and support the vehicle.





2. Remove the front cooler tube from the front cooler bypass valve fitting.





3. Remove the rear cooler tube from the rear cooler bypass valve fitting.

4. Note: The two rubber-coated sealing washers can fall out during removal of the front bolt.





Remove the front bolt.

5. Note: The two rubber-coated sealing washers can fall out during removal of the rear bolt.





Remove the rear bolt.
6. Remove the cooler bypass valve.

Installation

1. CAUTION: Make sure the 4 rubber-coated sealing washers are on the cooler nuts and the cooler bypass valve washers are in place. Do not over tighten.

Examine the rubber-coated scaling washers. Replace the washers if damaged.
2. Using Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specifications, coat the cooler bypass valve bolt threads.

3. Note: Align the two rubber-coated sealing washers while assembling the rear cooler bypass valve fitting.

Install the washers.

4. CAUTION: If the cooler bypass valve bolt is over-tightened, the rubber-coated sealing washers can be damaged, causing a transmission fluid leak.

Note: Align the two rubber-coated sealing washers while assembling the front cooler bypass valve fitting.





Install the cooler bypass valve fitting bolts.





5. Tighten the cooler tubes.
6. Lower the vehicle.
7. Fill the transmission with MERCON V(R) Multi-Purpose Automatic Transmission Fluid XT-5-QM or equivalent meeting Ford specifications MERCON V(R). Check for proper operation.