Block Heater — Removal — Engine Cooling - 2.3L EcoBoost (231kW & 314PS) · Reference 5873

unscrew the coolant pressure relief cap when the engine is operating or the cooling system is hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in serious personal injury.

1. Partially drain the cooling system. Refer to: Cooling System Draining and Vacuum Filling .

2. Add Premium Cooling System Flush to backflush the heater core and follow the directions on the package. Flush with water thoroughly after using Premium Cooling System Flush prior to refilling the cooling system.

Material

: Motorcraft® Premium Cooling System Flush / VC-1 (ESR-M14P7-A)

3. Fill and bleed the cooling system. Refer to: Cooling System Draining and Vacuum Filling .

REMOVAL AND INSTALLATION > BLOCK HEATER > REMOVAL

NOTE: Removal steps in this procedure may contain installation details.

1. Drain the cooling system. Refer to: Cooling System Draining and Vacuum Filling .

2. Remove the starter motor. Refer to: STARTER MOTOR - 2.3L EcoBoost (231kW/314PS).

NOTE: Make sure the block heater wiring is routed and secured away from rotating or hot components.

3. Disconnect the block heater electrical connector.

Ford_Mustang_all_2015-2017.pdf · source reference 5873

Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.