VW Passat & Audi A4 1990-2000 Engine Coolant Temperature Sensor Repair Guide
Access our free Engine Coolant Temperature Sensor Repair Guide for VW Passat & Audi A4 1990-2000 through AutoZone Rewards. These diagrams include:
- Fig. Beginning with model year 1994, the Engine Coolant Temperature Sensors combined the sensors for the ECM and the gauge into one sensor-1997 2.8L V6 sensor shown
- Fig. The electrical connector for the combined temperature sensors is keyed to avoid improperly connecting the sensor’s wiring-1997 2.8L V6 connector shown
- Fig. The Engine Coolant Temperature (ECT) sensor resistance decreases as the coolant temperature increases as shown in this graph of the ECM coolant sensor
- Fig. When the sensor was placed in a cup of ice water, the resistance increased instantly
- Fig. This Craftsman® 3/8 inch drive thin-walled, 12-point, deep-well socket can be used for removing a threaded coolant sensor
- Fig. The Craftsman® socket slides over the sensor without risking damage to the electrical connector housing
Access our VW Passat & Audi A4 1990-2000 Engine Coolant Temperature Sensor Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.
- Add your vehicle in My Vehicles.
- Enter your vehicle details.
- Click the “View More” button, and then click “Vehicle Repair Guides.”
- Select “Chassis Electrical” in the Table of Contents.
- Select the chapter “Engine Coolant Temperature Sensor Repair Guide”.