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AC switching on/off

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Old Nov 24th, 2021, 12:48   #1
loelly
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Last Online: Nov 24th, 2021 12:48
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Default AC switching on/off

Hi all,
V40 19 DI 2002

My car AC does strange things. The AC switch on the control panel changes from on (green led) to off (red led) without touching .At some moment like 10 times a min. Later on it stays on for a period and then starts the chrismas tree again.
For me there is no logic in it.It is pure random .Any idea ?
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Old Nov 24th, 2021, 13:14   #2
cheshired5
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See if the ac compressor clutch plate is cycling in and out at the same time.
If so, that's normally low gas.
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Old Nov 25th, 2021, 18:08   #3
zoidberg
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Have you got any of the heater/direction controls set to 'auto' by any chance ?
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Old Nov 26th, 2021, 18:40   #4
volvo again
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Sounds like the compressor clutch needs re-shimming...

https://volvoforums.com/forum/volvo-...shimming-6665/
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