Coolant Temperature Sensor - Febi - 01939

This is a coolant temperature sensor from Febi Bilstein, part number 01939. It is designed for a w...

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eBayFEBI BILSTEIN 01939 Sensor, coolant temperature for ,AUDI,SEAT,VW
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AutodocFEBI BILSTEIN Coolant Temperature Sensor VW,AUDI,SEAT 01939 027919501,049919501,049919501A Coolant Sensor 175919501,27919501,49919501,49919501A
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Product Information

Full details

This guide is for owners of VW and Audi vehicles looking to understand and maintain their coolant temperature sensor, specifically the Febi Bilstein 01939. This sensor is crucial for engine performance and efficiency. However, note that proper installation and compatibility checks are essential for optimal function.

All features

Model Part Number01939
BrandFebi

Extended Product Information

FAQs

What is the function of a coolant temperature sensor?

The coolant temperature sensor measures the temperature of the engine coolant and sends this information to the engine control unit (ECU).

Where is the coolant temperature sensor located?

The location varies by vehicle model. Consult your vehicle's repair manual.

What are the symptoms of a failing coolant temperature sensor?

Symptoms include poor fuel economy, rough idling, difficulty starting, and the check engine light illuminating.

Do I need any special tools to install this sensor?

Yes, you will need a 14 mm wrench to remove and install the sensor.

Can a faulty coolant temperature sensor damage my engine?

Yes, it can. Incorrect readings can lead to improper fuel mixture and other issues that can harm the engine.

How long does it take to replace a coolant temperature sensor?

The replacement time can vary, but it's typically a quick procedure, taking about 15-30 minutes once you have access to the sensor.

What type of coolant should I use?

Always use the coolant recommended in your vehicle's owner's manual.

Is it necessary to bleed the cooling system after replacing the sensor?

It is generally a good idea to bleed the cooling system after any work involving the coolant system to remove any trapped air.

Troubleshooting

Engine Overheating

Check the coolant level and ensure the cooling system is functioning properly. A faulty CTS can cause overheating. Consider replacing the CTS.

Poor Fuel Economy

A faulty CTS can lead to incorrect fuel mixture. Check the sensor and related wiring.

Check Engine Light On

Use a diagnostic tool to read the error codes. A faulty CTS often triggers a check engine light. Replace the sensor if the code indicates a failure.

Pros and Cons

Pros

  • OE quality ensures reliability and longevity.
  • Wide compatibility makes it suitable for a range of VW and Audi models.
  • Precise dimensions and specifications ensure a proper fit and function.
  • Durable construction from Febi Bilstein.
  • Easy installation due to the single connection design.

Cons

  • Requires specific tools (14 mm wrench) for installation.
  • Compatibility must be verified for your specific vehicle model.
  • Sensor failure can impact engine performance.
  • May require professional installation for those unfamiliar with engine components.

Setup, Compatibility & Care

  1. Compatibility Check: Before installation, confirm that the Febi 01939 is compatible with your specific vehicle model. Refer to your vehicle's manual or a parts catalog.
  2. Installation:
  • Disconnect the negative terminal of the car's battery.
  • Locate the old sensor (consult your vehicle's repair manual for location).
  • Unplug the electrical connector.
  • Unscrew the old sensor using a 14 mm wrench.
  • Install the new sensor, ensuring it's properly tightened.
  • Reconnect the electrical connector.
  • Reconnect the battery.
  1. Care: Regularly inspect the sensor and its wiring for any signs of damage or corrosion. Keep the area around the sensor clean.

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