90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
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Ambient Temperature Sensor / Switch HVAC: Service and Repair
Outside Temperature Sensor
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Remove air plenum cover.
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Remove glove compartment.
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Disconnect wires to temperature sensor.
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Remove sensor and pull wiring and grommet out through fresh air blower intake.
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Install in reverse order of removal.
