Thermostat Housing - 3.5L GTDI: Installation

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Install a new gasket and a new O-ring seal.
- Lubricate the O-ring seal with clean engine coolant.
Position the thermostat housing, install the 4 bolts and tighten the 4 bolts in the sequence shown in 2 stages.
- Stage 1: Tighten to 8 Nm (71 lb-in)
- Stage 2: Tighten an additional 45 degrees.
  
  Fig 1: Identifying Thermostat Housing Bolts Tightening Sequence
  Courtesy of FORD MOTOR CO.
Connect the upper radiator hose to the thermostat housing and position the clamp.
Connect the heater outlet hose to the thermostat housing and position the clamp.
Connect the lower radiator hose to the thermostat housing and position the clamp.
Connect the degas bottle-to-thermostat housing hose to the thermostat housing and position the clamp.
Install the LH turbocharger-to-CAC tube bracket and the bolt.
- Tighten to 6 Nm (53 lb-in).
  
  Fig 2: Locating LH Turbocharger To CAC Tube Bracket And Bolt
  Courtesy of FORD MOTOR CO.
If equipped, connect the block heater electrical connection.
Remove the oil fill cap and install the engine appearance cover.
- Install the oil fill cap.
  
  Fig 3: Locating Oil Fill Cap And Engine Appearance Cover
  Courtesy of FORD MOTOR CO.
Remove the waterproof plastic from the accessory drive belts.
Install the LH turbocharger-to-Charge Air Cooler (CAC) pipe, the ACL outlet pipe-to-LH turbocharger pipe and the Air Cleaner (ACL) outlet pipe. For additional information, REFER to INTAKE AIR DISTRIBUTION & FILTERING .
Fill and bleed the engine cooling system. For additional information, refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING .