Astra L4-1.8L (2009)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor Replacement
Removal Procedure
1. Open the hood.
2. Raise the vehicle by its full height.
3. Drain the coolant.
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Place a drain pan underneath.
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Install a suitable hose to the drain connection (2).
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Open the coolant drain screw (1).
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Drain the coolant.
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Close the coolant drain screw.
4. Lower the vehicle by its full height.
