F 250 4WD LD Pickup V8-5.4L SOHC VIN L (1997)
Engine Block Heater: Service and Repair
REMOVAL
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.
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING,
JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR
SUSPENSION SWITCH LOCATED IN THE RH KICK PANEL AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED
INFLATION OR DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE
OPERATIONS.
4. Disconnect the (A) block heater wiring from the (B) block heater.
5. Remove the block heater.
^
Loosen the block heater retaining screw.
CAUTION: Do not loosen the block heater retaining screw more than necessary for removal.
2. Twist and slide the block heater to release the retainer clip and remove. Discard the retainer clip.
