Volvo S70 - AC is not working all the sudden - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 2 (permalink) Old 08-29-05, 08:01 AM
Ottawa Vehicles
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Volvo S70 - AC is not working all the sudden

Hello Volvo experts,

AC is not working all the sudden - It worked couple of weeks ago.

So, I did the following test.

First, I check the AC pressure(where the cap says "Max 6 N.m) by
pressing the the AC valve. Result: I got high pressure gas and yellow
liquid on the cloth.

Secondly, I turn on the AC and checked if the compressor is working.
Here, I noticed an interested behavior. The compressor is turning on
for 1 sec and truned-off suddenly. This happening again and again with
quite loud "click/tick" noice until I turned off the AC.

I'm planing to buy a OBD-II reader to see if that help. But, it would
be greatly appreciated if anyone could pin point the problem for me.
Many thanks.

KB



 
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post #2 of 2 (permalink) Old 08-29-05, 03:01 PM
Tim..
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Re: Volvo S70 - AC is not working all the sudden


"Ottawa Vehicles" <98prelude@gmail.com> wrote in message
news:1125325694.506730.123090@o13g2000cwo.googlegroups.com...
> Hello Volvo experts,
>
> AC is not working all the sudden - It worked couple of weeks ago.
>
> So, I did the following test.
>
> First, I check the AC pressure(where the cap says "Max 6 N.m) by
> pressing the the AC valve. Result: I got high pressure gas and yellow
> liquid on the cloth.
>
> Secondly, I turn on the AC and checked if the compressor is working.
> Here, I noticed an interested behavior. The compressor is turning on
> for 1 sec and truned-off suddenly. This happening again and again with
> quite loud "click/tick" noice until I turned off the AC.
>
> I'm planing to buy a OBD-II reader to see if that help. But, it would
> be greatly appreciated if anyone could pin point the problem for me.
> Many thanks.



Depsite you posting 3 times, I can reply to you in one.

Your problem is low gas. Rapid compressor cycling is a characteristic of a
low charge. Have it vacuumed out and rechared with the correct weight of
R134a as per the under bonnet sticker. (750grams I think off the top of my
head for the 70series)

Tim..


 
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