A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
Ambient Temperature Sensor / Switch HVAC: Service and Repair
Fresh Air Intake Duct Temperature Sensor -G89-, Removing and Installing
Remove glovebox
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Reach in-between heater/air conditioner assembly and bulkhead and turn sensor -B- 90° (arrow) (connector -C- remains connected).
NOTE:
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Temperature sensor -G89- is easily accessible with air flow flow flap motor -V71- removed.
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If sensor can not be turned:
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Carefully spray contact surface of rubber grommet -B- with silicone spray.
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Remove dust and pollen filter.
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Reach into intake and turn temperature sensor 90 °.
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After installing, always check DTC memory.