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Car Forum / Volvo Cars / February 2006V70 aircon problem
the compressor clutch seems to be switching on and off evey 20 -30 seconds on for 30 off for 30 any ideas? > the compressor clutch seems to be switching on and off evey 20 -30 > seconds on for 30 off for 30 > > any ideas? Too less fluid in the system. Must be refilled. Gemini Gemini Feb 4, 4:02 pm show options Newsgroups: alt.autos.volvo From: "Gemini" <gemin...@gmxnet.com> - Find messages by this author Date: Sat, 4 Feb 2006 17:02:59 +0100 Local: Sat, Feb 4 2006 4:02 pm Subject: Re: V70 aircon problem Reply | Reply to Author | Forward | Print | Individual Message | Show original | Report Abuse <s...@staffbull.net> schreef in bericht news:1139055513.517602.169050@g44g2000cwa.googlegroups.com... > the compressor clutch seems to be switching on and off evey 20 -30 > seconds on for 30 off for 30 > any ideas? Too less fluid in the system. Must be refilled. Gemini I have been told it is full when I went to get it filled >> the compressor clutch seems to be switching on and off evey 20 -30 >> seconds on for 30 off for 30 [quoted text clipped - 6 lines] > > I have been told it is full when I went to get it filled Does it work properly, then there might be no problems. Niels Does it work properly, then there might be no problems. Hi, no it does not work at all, no cooling > Does it work properly, then there might be no problems. > > Hi, no it does not work at all, no cooling I think you should get a second opinion on the liquid level. If ok, the workshop should be able to find whats causing the problem elsewhere. Niels > > the compressor clutch seems to be switching on and off evey 20 -30 > > seconds on for 30 off for 30 [quoted text clipped - 6 lines] > > I have been told it is full when I went to get it filled The a/c on the 70series works via a variable pressure switch, not an on / off. The ECU controls the a/c clutch and cooling fan. What behaviour does your cooling fan have? A failed motor will also cause the cycling of the compressor. If the fan is ok, then refridgerant level too low or too high you will also generate this behaviour. There is no HP port on the system so correct charge is via vaccuuming down and then adding the under-bonnet posted weight of R134a. If you are a volvo dealer you would also plug into the ECU and monitor the correct pressures as you charge it. Tim.. |
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