Removal and Installation
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
- Release the pressure in the cooling system by slowly turning the pressure relief cap one half turn counterclockwise. When the pressure is released, remove the pressure relief cap.
- Using hose clamp pliers, clamp the engine coolant return hose and the motor electronics coolant return hose.
- Using a suitable suction device, siphon the coolant from the degas bottle.
- Disconnect the motor electronics coolant vent hose.
- Disconnect the 2 engine coolant vent hoses.
- Remove the degas bottle bolt and nut.
- To install, tighten the nut to 6 Nm (53 lb-in) and the bolt to 8 Nm (71 lb-in).
- Lift the degas bottle up and disconnect the engine coolant and motor electronics coolant return hoses.
- Remove the degas bottle.
- To install, reverse the removal procedure.
- Fill the degas bottle. Refer to COOLING SYSTEM DRAINING, FILLING AND BLEEDING in this article for the recommended coolant mixtures and fill levels.
WARNING:
To avoid personal injury, do not unscrew the coolant pressure relief cap while the engine is operating or hot. The cooling system is under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. Failure to follow these instructions may result in personal injury.
NOTE:
The degas bottle has 2 separate reservoirs. The front (larger) reservoir is part of the engine cooling system. The rear (smaller) reservoir is part of the motor electronics cooling system.