Coolant Reservoir: Service and Repair

Degas Bottle





Removal and Installation

1. 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.

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.
2. Using hose clamps pliers, clamp the radiator-to-degas bottle hose.
3. Using a suitable suction device, siphon the coolant from the degas bottle.
4. Disconnect the coolant hoses from the degas bottle.
5. Remove the degas bottle bolt.
^ To install, tighten to 10 Nm (89 inch lbs.).
6. Remove the degas bottle.
^ Lift the degas bottle out of the retainer.
7. To install, reverse the removal procedure.
8. Fill the degas bottle. Refer to Cooling System Draining, Filling and Bleeding for the recommended coolant mixture and fill level.