FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Block Heater

REMOVAL
1. Disconnect battery ground cable.
2. Remove pressure relief cap following described precautions. Attach 9.5 mm (0.4-inch) hose to drain tube and open radiator draincock. Drain radiator to a corresponding level below block heater. Close radiator draincock.

WARNING: NEVER REMOVE THE PRESSURE RELIEF CAP UNDER ANY CONDITIONS WHILE THE ENGINE IS OPERATING. FAILURE TO FOLLOW' THESE INSTRUCTIONS COULD RESULT IN DAMAGE TO THE COOLING SYSTEM OR ENGINE AND/OR PERSONAL INJURY. TO AVOID HAVING SCALDING HOT COOLANT OR STEAM BLOW OUT OF THE COOLING SYSTEM OR DEGAS BOTTLE, USE EXTREME CARE WHEN REMOVING THE PRESSURE RELIEF CAP FROM A HOT COOLING SYSTEM OR DEGAS BOTTLE. WAIT UNTIL THE ENGINE HAS COOLED, THEN WRAP A THICK CLOTH AROUND THE PRESSURE RELIEF CAP AND TURN IT SLOWLY TO THE FIRST STOP. STEP BACK WHILE THE PRESSURE IS RELEASED FROM THE COOLING SYSTEM. WHEN CERTAIN ALL PRESSURE HAS BEEN RELEASED, PRESS DOWN Old THE PRESSURE CAP (STILL WITH A CLOTH), TURN AND REMOVE PRESSURE RELIEF CAP.

3. Raise vehicle on hoist.
4. Disconnect block heater power cable from block heater.
5. Loosen retaining screw and pry block heater from cylinder block while moving retaining screw from side to side to disengage clamp strap.
6. Remove block heater while noting the position of the heating element.

INSTALLATION
1. Clean the inside diameter of the cylinder block hole machined surface and hold entrance. Remove any burrs at the hole entrance to avoid damage to the O-ring.
2. Apply a liberal coating of Premium Long Life Grease XG-1-C or XG-1-K or equivalent meeting Ford specification ESA-M1C75-B to block heater O-ring and, cylinder block opening.
3. Insert block heater in cylinder hole in the same position as it was removed.
4. Tighten screw to 1.6-1.8 Nm (14-15 inch. lbs.).
5. Connect block heater power cable to block heater.
6. Install block heater power cable. Make sure power cable is routed and secured away from rotating or hot components.
7. Lower vehicle.
8. Refill engine cooling system with a 50/50 mixture of Premium Cooling System Fluid E2FZ-19549-AA in Oregon, F5FZ-19549-CC, in Canada, CXC-8-B, Recycled Coolant, or equivalent meeting Ford specification ESE-M97B44-A and water.
9. Connect battery ground cable.
10. Start engine and check for leaks.





11. Turn engine off and check engine coolant level as required.