F 150 2WD Pickup V8-5.4L Prop SOHC VIN Z (1998)
7. Remove the rear CBV bolt cooler line case fitting.
NOTE: The two rubber coated sealing washers can fall out during removal of the rear CBV bolt cooler line case fitting.
8. Remove and clean the CBV.
INSTALLATION
1. Examine the rubber coated sealing washers for damage. Replace the washers as needed.
CAUTION: Make sure the 4 rubber coated sealing washers are on the cooler line case fittings and the Cooler Bypass Valve (CBV) washers are
in place. Do not over tighten.
2. Using Threadlock and Sealer E0AZ-l9554-AA or equivalent meeting Ford specification WSK-M2G351-A5, coat the line case fitting threads.
3. Install the CBV fitting.
CAUTION: Make sure the CBV is properly backflushed. Use dry compressed air to remove solvent. If the cooler line case fitting is
over-tightened the rubber coated sealing washers and/or cooler line case fittings can be damaged, causing a transmission fluid leak.
NOTE: The CBV has a check ball in the rear fitting and will only allow flow in one direction. Make sure check ball moves freely. Align the two
rubber coated sealing washers, while assembling the rear cooler line case fitting.
4. Tighten the cooler tube nuts.
5. Lower the vehicle.
6. Connect the battery ground cable.
7. If equipped with air suspension, reactivate the system by turning on the air suspension switch.
8. Fill the transmission with Motorcraft MERCON Multi-Purpose Automatic Transmission Fluid XT-2-QDX or equivalent meeting MERCON
specifications. Check for proper operation. MERCON(R) automatic Transmission Fluid is being replaced by MERCON(R) V as a service fluid, as
