F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
5. Remove the rear CBV bolt.
NOTE: The washers can fall out during removal of the rear CBV bolt.
6. Remove the CBV.
INSTALLATION
1. Examine the Viton coated washers for damage. Replace the washers as needed.
CAUTION: Make sure the 4 Viton coated washers are on the cooler nuts and the CBV washers are in place. Do not over tighten.
2. Using Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specifications, coat the CBV bolt threads.
3. Install the CBV fitting bolts.
CAUTION:
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Make sure the Cooler Bypass Valve (CBV) is properly backflushed. Use dry compressed air to remove solvent.
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If the CBV bolt is over-tighteneViton Viton coated washers can be damaged, causing a transmission fluid leak.
NOTE:
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The CBV has a check ball and will only allow flow in one direction.
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Align the two Viton coated washers, while assembling the rear CBV fining.
4. Tighten the cooler tube nuts.
5. Lower the vehicle.
NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.