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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 605 (Engine Cooling System) >> Removal And Installation >> Thermostat Housing >> Removal

Thermostat Housing: Removal

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. 1.

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

  1. 2.

    Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to Intake Air Distribution and Filtering .

  1. 3.

    NOTE: Install the oil fill cap to prevent debris from falling into the engine.

    Remove the oil fill cap and the engine appearance cover.

    • Install the oil fill cap.
GFD135669Courtesy of FORD MOTOR COMPANY

  1. 4.

    Release the quick connect couplings and disconnect the turbocharger bypass tube, refer to Fuel System General Information .
GFD135127Courtesy of FORD MOTOR COMPANY

  1. 5.

    1. 1.

      Disconnect the PCV pressure sensor electrical connector.

    1. 2.

      Release the PCV tube quick connect couplings and remove the PCV tube.
GFD135126Courtesy of FORD MOTOR COMPANY

  1. 6.

    Release the retainers, remove the pin-type retainers and the lower air deflector.
GFD135181Courtesy of FORD MOTOR COMPANY

  1. 7.

    Loosen the clamp and disconnect the LH turbocharger outlet tube from the CAC.
GFD135173Courtesy of FORD MOTOR COMPANY

  1. 8.

    Release the turbocharger outlet tube retainer. Loosen the clamp and remove the LH turbocharger outlet tube.
GFD135174Courtesy of FORD MOTOR COMPANY

  1. 9.

    Loosen the clamp and remove the turbocharger inlet tube.
GFD135670Courtesy of FORD MOTOR COMPANY

  1. 10.

    NOTE: Cover the accessory drive belts to prevent coolant contamination of the belts.

    Completely cover the accessory drive belts with waterproof plastic.

  1. 11.

    If equipped, disconnect the block heater electrical connector and unclip the vapor tube from the retaining clip.
GFD135176Courtesy of FORD MOTOR COMPANY

  1. 12.

    Remove the bolt and the LH turbocharger-to CAC tube bracket.
GFD135671Courtesy of FORD MOTOR COMPANY

  1. 13.

    Release the clamps and disconnect the hoses from the thermostat housing.
GFD135672Courtesy of FORD MOTOR COMPANY

  1. 14.

    NOTE: Do not allow the coolant inlet pipe to come out of the coolant crossover manifold assembly or the coolant inlet pipe O-ring seal may be damaged.
    NOTE: Use the ear on the top of the coolant inlet pipe to prevent the coolant pipe from coming out of the coolant crossover manifold assembly.

    Remove the thermostat housing bolts and remove the thermostat housing.

GFD135673Courtesy of FORD MOTOR COMPANY

  1. 15.

    Remove and discard the gasket and the O-ring seal.
GFD135674Courtesy of FORD MOTOR COMPANY

  1. 16.

    Remove and discard the gasket and the O-ring seal.
GFD135675Courtesy of FORD MOTOR COMPANY