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Old 05-04-2002, 05:04 PM
za_w124_200e
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Posts: n/a
cabin temp sensor air pump

.... in want of the correct description.

AFAIK that little fan is in fact 'sucking' cabin air over a temp sensor fitted in the roof light (that's where it's in my 124).

The 'vacuum line' runs from the sensor in the roof ...

If it's noisy, try some Q20 or similar. Otherwise replace it.

any other takers ?
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