Aircon temp is hot when idle, cold when moving

**lala31** · April 7th, 2019 08:12 PM

the compressor doesnt get enough airflow to cool it down. But when you are moving, it gets that much needed airflow.

**dr. d** · April 7th, 2019 09:44 PM

condenser siguro.
the compressor doesn't need significant airflow.

**shadow** · April 7th, 2019 10:36 PM

Originally Posted by rusty_ryan

Sa fan nga siguro kung nagloloko yan. Baka mag overheat pa nga kung di kayanin. Kung cleaning pwede din option pero how old is the car?

Just had similar problem and nagpalit na ko ng compressor. My car is 6 years old

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Masyadong maaga magpalit ng compressor naman.

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**rusty_ryan** · April 8th, 2019 02:10 AM

Intermittent na din kasi ang lamig ng aircon ko kahit hindi traffic. Minsan blower na lang walang lamig.

Nagpalit din ako ng aux fan kasi nagloloko na din. And nagdagdag din ng fan para sa condenser. Mag 1 month na din so far ok naman, ilang traffic na din at naibyahe na ng batangas.

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**lala31** · April 8th, 2019 04:27 AM

Originally Posted by BratPAQ

Before we had the radiator fan changed, the aircon has no problem. Nung ibalik na sa min, una h Audacity Find My iPhone Origin indi napansin. Napansin na lang na pag nasa traffic at idle umiinit ang buga ng aircon, pag umaandar na lalamig ulit. We already checked freon, next would be aircon cleaning. But I have doubts cleaning would help. Wala naman problems sa lakas ng hangin, nasa temp. And somehow I think its related to the radiator fan change.

Any thoughts?

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But when you are moving, it gets that much needed airflow.

**benchph1** · April 8th, 2019 08:40 AM

Have the condenser cleaned as well. Happened to my 2010 city last year.

Fan was working, replace cabin filter every year or when its dirty.

Noticed that the A/C struggles to cool the cabin when on a standstill sunny day, but becomes ok when the car is moving.

Brought the car to my trusted Car a/c specialist, his diagnosis was the condenser is blocked. They still dismantled the evaporator to verify and just as i thought it was still clean after 8 years. Goes to show that we must regularly change the cabin filter.

They also dismantled the condenser which already turned black due to years of going thru dirt and dust on our roads, Flushed to old freon and compressor oil and of course replaced with new ones. Also cleaned my radiator while their at it.

From that day up to now A/C is still cold. I rarely need to set the thermostat to more than half. Always have it on half. If i go more than half it gets very cold.

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**dr. d** · April 8th, 2019 08:57 AM

Originally Posted by rusty_ryan

Intermittent na din kasi ang lamig ng aircon ko kahit hindi traffic. Minsan blower na lang walang lamig.

Nagpalit din ako ng aux fan kasi nagloloko na din. And nagdagdag din ng fan para sa condenser. Mag 1 month na din so far ok naman, ilang traffic na din at naibyahe na ng batangas.

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our car was like that before.
binawasan ng aircon boys nang isang washer sa compressor clutch.

many years ago, our liftback also wouldn't cool in standstill noontime traffic.
lingayan ng aircon guy ng aux fan.
it cooled great, after that.

**beepbeepph** · April 8th, 2019 12:01 PM

Most likely the cause of the problem would be a faulty cooling fan. Its purpose is to keep the radiator and condenser for the air-conditioner to cool during when in idle. If it's not functioning properly, this will cause the radiator and condenser to get very hot. I recommend that you should visit your trusted car shop to have it repaired to avoid worsening as this could lead to car overheating. Hope this helps!

**benchph1** · April 8th, 2019 05:42 PM

Adding an extra fan wont really solve the problem. Plus its added load to your alternator.

Most of the cars sold here are designed for our tropical climate.

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