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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1085 (Engine Cooling - 3.5L ECOBOOST (272KW/370PS)) >> Removal And Installation >> Thermostat Housing >> Removal

Thermostat Housing: Removal

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Removal steps in this procedure may contain installation details.
  1. Drain the cooling system. Refer to: Cooling System Draining, Vacuum Filling and Bleeding .
  2. Remove the intake manifold. Refer to:INTAKE MANIFOLD .
  3. Remove the bolts and position the degas bottle aside.

    Torque: 62 lb.in (7 Nm)

    GFD273064Courtesy of FORD MOTOR COMPANY
  4. NOTE: Cover the accessory drive belts to prevent coolant contamination of the belts.

    Completely cover the accessory drive belts with waterproof plastic.

  5. Release the clamps and disconnect the coolant hoses. Use the General Equipment: Hose Clamp Remover/Installer
    GFD273105Courtesy of FORD MOTOR COMPANY
  6. Release the clamps and disconnect the coolant hoses. Use the General Equipment: Hose Clamp Remover/Installer
    GFD273106Courtesy of FORD MOTOR COMPANY
  7. 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 bolts and the thermostat housing.

    Torque:

    Stage 1: 89 lb.in (10 Nm)

    Stage 2: 45°

    GFD273107Courtesy of FORD MOTOR COMPANY
  8. Inspect the O-ring seals and replace if necessary.
GFD272612Courtesy of FORD MOTOR COMPANY