Step2 – Remove coolant temperature sensor. The temperature sensor is in a tight area, behind the engine, closer to the passenger side. It has an electrical connection connected to it, so
OriginallyPosted by Scott Evil. If you are consistently reading 10+ degrees wrong, the sensor has failed. This sensor also sends data to the climate control, so your AC/heat will not function correctly. Mine failed last year (read 15F too cool and AC was useless) and the dealer told me it was a common problem for B7s.
Thethermostat in the Audi A4 is sealed in the housing and cannot be replaced separately. The thermostat on the Audi A4 is locating in located below the intake manifold and behind the alternator. Does the thermostat has a temperature dat it will reach b4 it opens I bought one for my Audi 2003 1.8 the temperature written inside is
. #29. It's probably your coolant temp sensor. Mine was the same, up to 90 degrees no bother, but would drop when sat in traffic. Warranty claim for the thermostat, which was a bonus having the 2.5tdi as the belts need to come off. After all of that, symptoms still the same, changed the sensor and job done.
YourVehicle Audi B8/B8.5 A4 Quattro 2.0T. Audi Parts A4 Audi Air Temperature Sensor. Mounted on the intake manifold From the 2013 model year. Brand: ES#: 1848134 Mfg#: 06H905379 Qty: Located on the side of the intake manifold Brand: Original Equipment ES#:
Howeverthe sensor does not work all the time. Sometimes I will be driving, as I did recently from Durham, NC to Washington, DC, and between 2-3 hours into the drive, the temperature sensor drops from the current temperature of 80F to -58F, and then corrects itself, slowly going from -58 to the outside temperature. This takes ~6 minutes.
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audi a4 b8 outside temperature sensor location
