> I have a volvo s70 that has been experiencing a "click" sound whenever
> I turn on the AC. It starts at short intervals ( about 1 ever second ).
> As the engine keeps running the sound has a larger gap between
> "clicks". The AC is still cool, so I have no idea what's going on.
> Also, the engine has been running a little louder. Any ideas?
You're A/C has a leak and is low on gas. This will slowly get worse,
and you'll lose cooling entirely. You'll probably already notice that
the A/C will not be as cold as it used to be on a really hot day.

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Mike F.
Thornhill (near Toronto), Ont.
Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)