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Coolant Temp Sensor - febi bilstein - 18666

Coolant Temp Sensor - febi bilstein - 18666

This febi bilstein coolant temperature sensor (part number 18666) is designed for compatibility wi...

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FEBI BILSTEIN Coolant Temperature Sensor VW,AUDI 18666 251919501A,251919501B,251919501D Coolant Sensor 251919501A,251919501B,251919501D

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AutodocFEBI BILSTEIN Coolant Temperature Sensor VW,AUDI 18666 251919501A,251919501B,251919501D Coolant Sensor 251919501A,251919501B,251919501D
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eBayPowertrain PETS106 Temperature Sensor OEM 251919501
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Product Information

Full details

This guide is for owners of VW and Audi vehicles who want to understand and maintain their coolant temperature sensor. The febi bilstein 18666 sensor ensures your engine runs efficiently by monitoring coolant temperature. Note that proper installation and compatibility checks are essential for optimal performance.

All features

Model Part Number18666
Brandfebi bilstein

Extended Product Information

FAQs

What vehicles is this sensor compatible with?

The febi bilstein 18666 coolant temperature sensor is compatible with various VW and Audi models, including VW Golf, Passat, Audi 80, and others. Please refer to the vehicle compatibility list in the guide or consult your vehicle's manual.

What is the purpose of the coolant temperature sensor?

The coolant temperature sensor monitors the engine coolant temperature, providing crucial data to the engine control unit (ECU). This data helps the ECU optimize fuel injection, ignition timing, and cooling fan operation for efficient engine performance.

How do I know if the sensor has failed?

Symptoms of a failing sensor include engine overheating, poor fuel economy, and the engine running rich or lean. Check engine light may illuminate.

Where is the coolant temperature sensor located?

The sensor's location varies by vehicle model. Refer to your vehicle's repair manual for the specific location.

What should I do if the sensor fails?

Replace the faulty sensor with a new one. Ensure you follow the correct installation procedures and torque specifications.

Can I install this sensor myself?

If you have some mechanical knowledge, yes. However, if you are not comfortable, consult a qualified mechanic.

What is the weight of the sensor?

The weight of the sensor is 0.02 kg.

What OE numbers does this sensor correspond to?

The sensor corresponds to OE numbers 251 919 501 D, 251919501A, 251919501B, and 251919501D.

Troubleshooting

Engine Overheating

Check the sensor and its connections. Ensure the cooling fan is functioning correctly. Verify coolant levels.

Poor Fuel Economy

Inspect the sensor for proper function. Check for any stored diagnostic trouble codes (DTCs).

Engine Runs Rich/Lean

Inspect the sensor and its connections. Check for any stored diagnostic trouble codes (DTCs).

Pros and Cons

Pros

  • Ensures accurate temperature readings.
  • Improves engine performance.
  • Direct fit for specific VW and Audi models.
  • Easy to identify with green color coding.

Cons

  • Requires proper installation for optimal functionality.
  • Sensor failure can lead to engine performance issues if not addressed promptly.

Setup, Compatibility & Care

Compatibility:

The febi bilstein 18666 coolant temperature sensor is compatible with:

  • VW Transporter IV Bus
  • VW GOLF II, GOLF III
  • VW SHARAN, PASSAT, Polo, LT, SCIROCCO, CORRADO, Jetta II, Vento, Caddy I
  • Audi 80 Limousine and 80 Avant models.

Installation:

  1. Disconnect the negative terminal of your car battery.
  2. Locate the coolant temperature sensor (refer to your vehicle's repair manual).
  3. Unplug the electrical connector from the old sensor.
  4. Unscrew the old sensor.
  5. Install the new febi bilstein 18666 sensor and tighten it to the manufacturer's specifications.
  6. Reconnect the electrical connector.
  7. Reconnect the negative terminal of the battery.
  8. Check for leaks and ensure proper engine operation after installation.

Care:

  • Regularly inspect the sensor and its connections for any signs of damage or corrosion.
  • If you notice any performance issues, such as poor fuel economy or engine overheating, have the sensor checked immediately.
  • When performing maintenance, always use the correct coolant type recommended for your vehicle.

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