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sprinkles08, ASE Certified Technician
Category: Audi
Satisfied Customers: 21436
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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2012 audi q7 A/C won't turn on, yes, locate fuses, working

Customer Question

2012 audi q7 A/C won't turn on
JA: Have you checked the Freon level? Have you checked the hoses?
Customer: yes
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: locate fuses
JA: Anything else you think the mechanic should know?
Customer: working fine just stop...this happen once before than started working again for month now won't turn on
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Audi Mechanic about your situation and then connect you two.
Submitted: 3 months ago.
Category: Audi
Expert:  sprinkles08 replied 3 months ago.

Helo and welcome to JustAnswer!

There are many things that can cause the compressor to not engage. The problem could be the compressor itself or it's wiring, the control head, compressor relay, an incorrect pressure or evaporator or ambient temperature sensor signal, or low system charge. The most common cause for lack of compressor engagement is low charge.

How was charge checked?

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