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1997 A4 B5 1.8T air conditioner not working

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Old Jan 16, 2017 | 06:46 AM
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BillyJojo's Avatar
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Default 1997 A4 B5 1.8T air conditioner not working

Hi All,

This problem seems to come up a bit so I thought i'd post it as it progresses (happy to get advice too

Stage 1, Get regas // Informed A/C compressor not engaging

On closer inspection A/C clutch not engaging

Took of bottom mud tray

Unplugged green power wire that goes from a/c (to aux fan I believe)

Connected straight from battery + to wire with car running

Clutch ENGAGED!!!

Must be a problem between fan and ac I imagine

Apparently there is a relay behind the headlight (driver)

Will check that and try to follow wiring up (seems like it works to fan as this engages when a/c turned on.


Will keep you all posted!

Regards.
 
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