A/C makes Knocking Sound in Warm Weather
#1
A/C makes Knocking Sound in Warm Weather
I bought a 2008 Honda Fit last winter. I just realized as the weather is getting warmer, the A/C makes knocking sound every time I turn it on. It only happens when outside temp is higher than 80. I am planning to take it to dealer since the car is still under warranty but I am wondering if others have similar issues.
Thanks
Thanks
#2
your a/c makes some noise when it turns on/off... so you're saying it's a different sound than when it was with the defroster turned on? cause the a/c turns on while in the defrost mode.
#3
When it's warm, if I turn on the a/c or defroster, the knocking noise will come interminently. When it does, the a/c does not blow cool air. My first thought was the compressor, but it seems the sound is coming from the firewall area.
#6
salvaged vehicles are no longer covered by honda's warranty. but the a/c is supposed to make noise so unless it's a LOT of noise or the a/c isn't working, there isn't really a problem. also, the noise you guys are hearing might just be the a/c kicking on and putting more strain on your engine at idle speed.
#8
The dealer found out that there is too much freon/pressure in the compressor. The warm wether cause them to expand even more pressure making the knocking noise to the compressor. In this case, I was lucky the compressor is able to witstand such amount of pressure.
The dealer evacuate and recharge the compressor according to spec. Problems solved.
The dealer evacuate and recharge the compressor according to spec. Problems solved.
#9
Please let this be the answer
The dealer found out that there is too much freon/pressure in the compressor. The warm wether cause them to expand even more pressure making the knocking noise to the compressor. In this case, I was lucky the compressor is able to witstand such amount of pressure.
The dealer evacuate and recharge the compressor according to spec. Problems solved.
The dealer evacuate and recharge the compressor according to spec. Problems solved.
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