C70 Coupe L5-2.3L Turbo VIN 53 B5234T3 (2001)
Thermostat: Procedures
Thermostat/temperature Sensor
Thermostat/Temperature Sensor, Engine Coolant, Replacing
Preparation
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Remove the cap from the expansion tank.
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Install a hose clamp on the upper coolant hose.
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Raise the car. Remove the lower splashguard.
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Position a container under the engine drain cock. Drain 2 liters of engine coolant.
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Close the cock. Install the lower splash guard. Lower the car.
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Disconnect the sensor cable connector.
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Remove the upper timing belt cover.
Removing The Thermostat
Remove
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the thermostat housing cover.
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the thermostat.
Removing The Engine Coolant Temperature (ECT) Sensor
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Remove the thermostat housing cover.
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Clean the thermostat housing mating surfaces. Ensure that there is no dirt left in the thermostat housing.
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Remove the sensor.
Installing The Thermostat
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Install the new thermostat.
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Install the thermostat housing cover. Use a new gasket. Tighten to 17 Nm.
Installing The Engine Coolant Temperature (ECT) Sensor
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Install the new sensor. Use a new gasket. Tighten to 20 Nm.
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Install the thermostat housing. Use a new gasket. Tighten to 17 Nm.
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Connect the sensor cable connector.
Finishing
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Install the upper camshaft cover. Remove the hose clamp.
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Fill with coolant.
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Install the cap on the expansion tank.
Function Test
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Test drive the engine until the thermostat has opened.
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Top up the coolant if necessary.
