Removing The Thermostat
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Remove
- the clamp holding the return hose for the power steering
- the screw holding the engine stabilizer brace to the bracket on the engine
- the screws holding the engine stabilizer brace to the suspension turrets
- the engine stabilizer brace
- the expansion tank cap.
Raise the car. Remove the lower splashguard.
Position a container under the engine drain cock. Drain the coolant.
Close the cock.
Install the lower splash guard.
Lower the car.
- the plastic hoses between the turbocharger (TC) / charge air cooler and the air cleaner (ACL) / turbocharger (TC). Applies only to B6xx4T engines .
Lift up the servo reservoir and place it on top of the engine.
WARNING:
Seal the cover for the servo reservoir. Check that no oil leaks out.
Servo oil is highly inflammable.
NOTE:
Ensure that the timing belt cover has cleared the nipple on the thermostat housing before the cover is pulled up.
Remove:
- the screw for the front timing belt cover. Applies only to B6xx4T Cars with chassis number 203779- see Removing Front Timing Cover
- the timing belt cover. Use a weatherstrip tool.
- the thermostat housing cover
- the thermostat.