F 250 2WD Super Duty V10-6.8L VIN S (1999)
Engine Block Heater: Service and Repair
Removal
CAUTION: Do not mix Standard (green) Coolant with Extended Life Coolant (orange). If this contamination occurs the service change
interval on Extended Life Coolant will be reduced from 6 year/150,000 miles to 3 years/30,000 miles.
1. Drain the cooling system.
2. Disconnect the (A) block heater wire extension from the (B) block heater wiring and remove.
3. Raise and support the vehicle.
4. Disconnect the (A) block heater wiring from the(B) block heater and remove.
5. Remove the block heater.
1. CAUTION: Do not loosen the block heater screw more than necessary for removal.
Loosen the screw.
2. Twist and slide the block heater to release the retainer clip and remove. Discard the retainer clip.
Installation
