Ford Focus Quiz
Powertrain

Thermostat Housing

In this manual: Powertrain
Vehicle - General — 4Accessories — 40Body — 237Chassis — 113Electrical — 19HVAC — 44Powertrain — 292
10steps
~60min
3/5difficulty
01020304050107N·mlb·ft
Tightening torque found on this page
Done 0 of 10
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
  1. 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.

  2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding in this section.
  3. Remove the accessory drive belt. For additional information, refer to Section 303-05.
  4. Remove the 2 nuts and position aside the power steering tube.
    • To install, tighten to 10 N·m.
  5. Remove the cooling fan motor and shroud. For additional information, refer to Cooling Fan Motor and Shroud in this section.
  6. Remove the 2 bolts, the stud bolt and position aside the A/C compressor.
    • To install, tighten to 25 N·m.
  7. 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 N·m.
  8. Disconnect the radiator and heater hoses from the thermostat housing.
  9. NOTE: Lubricate the thermostat housing O-ring with clean engine coolant.

    To install, reverse the removal procedure.

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

Test yourself

A quick Ford Focus quiz: every answer comes with an explanation and a link to the manual page.