Overview - Engine Coolant Temperature Sensor

Shown on a 3.0L engine.

Fig 1: Exploded View Of Engine Coolant Temperature Sensor

Courtesy of AUDI OF AMERICA, LLC

1. O-Rings
   • Always replace
2. Engine Coolant Temperature Sensor on Engine -G82-
   • Removing and installing. Refer to Engine Coolant Temperature Sensor on Engine -G82-, REMOVING AND INSTALLING .
3. Bolt
   • 9 Nm
4. O-Rings
   • Always replace
5. Engine Temperature Control Sensor -G694-
   • Black insulation
   • Removing and installing. Refer to Engine Temperature Control Temperature Sensor -G694-, REMOVING AND INSTALLING .
6. Bolt
   • 9 Nm
7. Bolt
   • 9 Nm
8. Engine Coolant Temperature Sensor -G62-
   • Removing and installing. Refer to Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING .
9. O-Rings
   • Always replace
10. O-Rings
    • Always replace
11. Engine Coolant Temperature Sensor on Radiator Outlet -G83-
    • Different installation positions depending on the model
    • Removing and installing. Refer to ENGINE COOLANT TEMPERATURE SENSOR ON RADIATOR OUTLET -G83-, REMOVING AND INSTALLING .
12. Bolt
    • 4.5 Nm
    • Position the bolt by hand and tighten it until it finds the old threads. Then tighten the bolt to the specification.
    • Thread cutting