AC failed under 6 years. - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

wparsons · 05-16-2018, 05:34 PM

Went to use the AC the other day, only blowing pure hot air. It sounds like the compressor is cycling on, but it might be a relay clicking. There's a hissing sound from behind the dash, only when AC is on.

Is there any known issues to look for? From what I can guess, the system still has pressure if the compressor is actually cycling on. Possibly the condensor?

malubawla · 05-16-2018, 08:16 PM

need to vacuum out and refill your freon

Mr.ac · 05-16-2018, 10:29 PM

Fail? More like you ran out of the refrigerat.
Either take it to a shop or buy a refill kit at any auto parts store and do it yourself.

humfrz · 05-16-2018, 11:00 PM

I'd suggest you take it to a shop and have them "fix" it.

See ...... how simple that is ......

humfrz

wparsons · 05-16-2018, 11:51 PM

Quote:

Originally Posted by Mr.ac

Fail? More like you ran out of the refrigerat.
Either take it to a shop or buy a refill kit at any auto parts store and do it yourself.

Would the compressor clutch still cycle on if it was out of refrigerant? My understanding is that there's a pressure switch and the compressor clutch wouldn't engage if there's no pressure in the system?

Grady · 05-17-2018, 12:08 AM

Quote:

Originally Posted by wparsons

Would the compressor clutch still cycle on if it was out of refrigerant? My understanding is that there's a pressure switch and the compressor clutch wouldn't engage if there's no pressure in the system?

If it is cycling it probably just low on refrigerant. The low pressure switch is probably around 5psi. No need to vacuum if the system still has pressure. If it continues to leak down and you replace a part then replace the reciever drier and vacuum it down prior to service.

05-16-2018, 08:16 PM	#2
malubawla poor man's evora Join Date: Dec 2012 Drives: Turbod BRZ Location: Dallas Posts: 620 Thanks: 42 Thanked 190 Times in 137 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	need to vacuum out and refill your freon __________________ my build thread http://www.ft86club.com/forums/showthread.php?t=77434

05-16-2018, 10:29 PM	#3
Mr.ac [insert cool phrase here] Join Date: Aug 2015 Drives: BRZ Premium Location: Central Coast CA Posts: 2,368 Thanks: 709 Thanked 1,559 Times in 930 Posts Mentioned: 30 Post(s) Tagged: 0 Thread(s)	Fail? More like you ran out of the refrigerat. Either take it to a shop or buy a refill kit at any auto parts store and do it yourself. __________________ New daily driver - Subaru BRZ Premium Weekend fun/track car - '91 MR2 Turbo Gen3 Old daily driver - '88 MR2 Supercharged

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05-16-2018, 11:00 PM	#4
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 30,409 Thanks: 29,793 Thanked 32,809 Times in 16,829 Posts Mentioned: 715 Post(s) Tagged: 2 Thread(s)	I'd suggest you take it to a shop and have them "fix" it. See ...... how simple that is ...... humfrz

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