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Steve, Honda Mechanic
Category: Honda
Satisfied Customers: 3472
Experience:  13+ years with Honda,ase certified over 25 years
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A/c started blowing hot while driving on highway. I felt car

Customer Question

A/c started blowing hot while driving on highway. I felt car gear down as I was passing another car. A/c began blowing hot immediatedly after that
JA: Have you checked the Freon level?
Customer: Btw 2013 CRV
JA: Are you fixing your CR-V yourself? What have you tried so far?
Customer: I was going to check relays. Haven't attempted any repair ter
JA: Anything else you want the mechanic to know before I connect you?
Customer: No. That's it
Submitted: 8 months ago.
Category: Honda
Expert:  Steve replied 8 months ago.

A good place to start would be the compressor relay. The computer in your CR-V may disengage the compressor while passing for more power and it sounds like the relay may have stuck "off"

There are 3 black relays in the underhood fuse box that are all the same. You can swap them around and see if the compressor comes back on. The other 2 are for the cooling fans so I would not suggest driving around with a bad realy in the cooling fan spot.