Coolant Reservoir: Service and Repair

Degas Bottle









Removal and Installation

1. WARNING: Always allow the engine to cool before opening the cooling system. Do not unscrew the coolant pressure relief cap when the engine is operating or the cooling system is 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 serious 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 clamp pliers, clamp the lower degas bottle hose.

3. Using a suction device, siphon the coolant from the degas bottle.

4. Disconnect the degas bottle-to-radiator hose from the degas bottle.

5. Remove the nut, bolt and position the degas bottle for access to the lower degas bottle hose.
- To install, tighten to 9 Nm (80 lb-in).

6. Disconnect the lower radiator hose and remove the degas bottle.

7. To install, reverse the removal procedure.

8. Fill the degas bottle. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.