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-   -   Air conditioning gets warm when rpms go up (https://www.ft86club.com/forums/showthread.php?t=74316)

hahaman86 09-16-2014 08:17 PM

Air conditioning gets warm when rpms go up
 
I've noticed lately in my 13 frs 10 series, when I have the ac on and cold air is blowing out of it, that if I go from stop to accelerating and my rpms go higher than 3k-4k the air gets warm. Has anyone else had this issue? Every other car I've owned it's usually the opposite effect where when the rpms go up the air gets cooler.

husker741 09-16-2014 08:24 PM

Quote:

Originally Posted by hahaman86 (Post 1949504)
I've noticed lately in my 13 frs 10 series, when I have the ac on and cold air is blowing out of it, that if I go from stop to accelerating and my rpms go higher than 3k-4k the air gets warm. Has anyone else had this issue? Every other car I've owned it's usually the opposite effect where when the rpms go up the air gets cooler.

Are you recirculating the air or having fresh air come in?

boredom.is.me 09-16-2014 08:37 PM

Is your car blowing cold before this happens?

Foobar 09-16-2014 08:40 PM

I thought I read somewhere on these forums that our AC compressor shuts off temporarily when the engine is under heavy load so as not to rob it of power when it is needed most.

SCharged 09-16-2014 10:56 PM

Quote:

Originally Posted by Foobar (Post 1949547)
I thought I read somewhere on these forums that our AC condenser shuts off temporarily when the engine is under heavy load so as not to rob it of power when it is needed most.

If you're light on the throttle, it should make no difference.. If you're more than 80% throttle (I think it's 80%), the AC compressor shuts off to free power.

jdmblood 09-16-2014 10:57 PM

I notice my ac gets warm after around 110 mph

nor cal frs 09-17-2014 12:06 AM

Welcome to a four cylinder

Poodles 09-17-2014 02:32 AM

Quote:

Originally Posted by SCharged (Post 1949705)
If you're light on the throttle, it should make no difference.. If you're more than 80% throttle (I think it's 80%), the AC compressor shuts off to free power.

Yep, plus the high speeds tend to wear the compressors out early.

Quote:

Originally Posted by nor cal frs (Post 1949800)
Welcome to a four cylinder

Nope, they've been doing this for years on many different cars. Most notably on Fords, even the V8's.

hahaman86 09-17-2014 02:41 AM

Yeah the air is cold before this happens and I am recirculating the air. I hope it's what everyone's saying about the condenser shutting off. I have noticed it happens when I'm flooring it. I wonder if it says anything about it anywhere? I've Google searched it and read the manual but nothing about the condenser.

Sportsguy83 09-17-2014 08:24 AM

All modern A/C compressors turn off at high RPMs/high engine load (close to WOT) to protect itself.

aznatama 09-17-2014 10:04 AM

Just go get your AC checked.... should be under warranty. DIY is easy too just to check pressure.

HunterGreene 09-17-2014 10:07 AM

Quote:

Originally Posted by aznatama (Post 1950049)
Just go get your AC checked.... should be under warranty. DIY is easy too just to check pressure.

OP's A/C isn't broken. I am willing to bet that the cold air comes back as soon as he/she lifts off the throttle.

aznatama 09-17-2014 11:13 AM

Still good to check just in case. Takes 5 min. At least you can definitively rule out that error.

hahaman86 09-17-2014 02:00 PM

I'm under warranty so I'm just going to take it to the dealer and have them look at it might as well get my car cleaned while I'm there thank you all for the fast responses I love this forum


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