Ford Focus Service Manual: Thermostat Housing

Ford Focus Service Manual / Powertrain / Engine / Engine Cooling / Thermostat Housing

Material

Item	Specification
Motorcraft® Premium Gold Engine Coolant VC-7-B (US); CVC-7-B (Canada)	WSS-M97B51-A1

Power Steering Tube and A/C Compressor

Item	Part Number	Description
1	W520101	Power steering tube nut (2 required)
2	3A719	Power steering tube
3	W707340	A/C compressor bolt (2 required)
4	W709052	A/C compressor stud bolt
5	19703	A/C compressor

Thermostat Housing

Item	Part Number	Description
6	W527362	Heater hose clamp
7	18C553	Heater hose
8	W527372	Radiator hose clamp
9	8B273	Radiator hose
10	W500015	Thermostat housing bolt (3 required)
11	8575	Thermostat housing
12	8K530	Gasket

Removal and Installation

NOTE:
The thermostat and thermostat housing are serviced as an assembly.
With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02.

Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.

Remove the accessory drive belt. For additional information, refer to Section 303-05.

Remove the 2 nuts and position aside the power steering tube.
- To install, tighten to 10 Nm (89 lb-in).

Remove the cooling fan motor and shroud. For additional information, refer to Cooling Fan Motor and Shroud in this section.

Remove the 2 bolts, the stud bolt and position aside the A/C compressor.
- To install, tighten to 25 Nm (18 lb-ft).

Remove the 3 bolts and reposition the thermostat housing to gain access to the hose clamps.
- Remove and discard the gasket.
- To install, tighten the bolts to 10 Nm (89 lb-in).

Disconnect the radiator and heater hoses from the thermostat housing.

NOTE:
Lubricate the thermostat housing O-ring with clean engine coolant.
To install, reverse the removal procedure.

Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.

Coolant Expansion Tank

Item Part Number Description 1 8N029 Overflow hose 2 W701107 Coolant expansion tank bolt (2 required) 3 8C045 Coolant expansi ...

Air Deflector - Lower, Radiator

Removal and Installation NOTE: LH shown, RH similar. Remove the 2 screws from rear of the air deflector. Remove the 6 screws and 3 pin-type retainers from the bottom of the ai ...

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