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Where is the Thermostatic fan switch on a 1997 opel astra 2.0 l engine?

The 1997 Opel Astra 2.0L doesn't have a traditional thermostatic fan switch in the same way some older cars do. Instead, the cooling fan is likely controlled by the Engine Control Unit (ECU) based on signals from the engine coolant temperature sensor. The ECU activates the fan when the coolant temperature reaches a predetermined threshold.

There's no single component you can point to and call a "thermostatic fan switch." The control is integrated into the engine's electronic system. Any problems with the fan's operation are more likely related to:

* Engine Coolant Temperature Sensor: A faulty sensor providing inaccurate temperature readings to the ECU.

* ECU: A malfunctioning ECU might not be correctly activating the fan.

* Fan Motor: The fan itself could be failing (motor or relay).

* Wiring/Connectors: A problem with the wiring or connectors between the sensor, ECU, and fan motor.

To troubleshoot a non-functioning fan, you'll need a diagnostic tool that can read ECU codes and check the coolant temperature sensor reading. A mechanic with OBD-II diagnostic equipment is best equipped to diagnose this issue.

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