Hi,
I have a 2001 Accord Coupe 2L / 4 cylinder.
My problem is this...when I have the a/c on, i am getting a slight hissing sound coming through the air vents, as soon as the a/c cuts in.
Also, when I switch the engine off, the hissing sound comes on again, for about 10 seconds. It sounds a little bit like a boiling kettle.
I've also notice that when the a/c or climate control is on, the RPM fluctuates between 800 and 1500 ( I think, as the a/c cuts in and out).
I was wondering if it needs re-charging.
Any advice would be appreciated !

 

Surely I am not the only one to suffer this problem !

 

i ave seen a few times where you have to evac and recharge the a/c system...........also make sure that the vents are fully open ,, if they are slightly open ( almost closed ) the air flow will make a hissing noise

 

Thankyou for the reply, but it's not due to blockage of the vents, since it continues after you've parked and sounds like a boiling kettle.
Maybe a re-charge is the answer.

 

To answer my own question, A recharge didfix the problem.
Seems it was totally empty.
ICAN'T BELIEVEany of you guysdidn't knowthe answer to my problem.

 

You failed to mention the system was not cooling. If it was cooling it was not totally empty. If no leak was repaired, you will soon have the same problem again.

good luck

 

I second TexasHonda above.
It's kind of hard to know the answer to your problem when the description is incomplete.

 

Wow. Desert said right there to recharge the system. So what the heck are u talking about nobody knew the answer?