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Clicks are the high pressure sensor activating or deactivating. R12
pressure falls below threshold sensor is set to, it clicks, compressor
goes on, engine seems to lose a little power, next click says R12 is
sufficiently compressed, so compressor switches off and engine regains
power, R12 gradually loses pressure, pressure falls below threshold
sensor is set to, it clicks, compressor goes on, and so on and so on. My
'90 CQ does the same thing.
From: Mark Zvolanek [SMTP:firstname.lastname@example.org]
Sent: Tuesday, 19 August 1997 1:57 PM
Gday again Audi fans.
When I switch the aircon ON, I can hear clicks coming from the
glove box, click repeates every 15 or so seconds, and at every
click engine looses little power, then it gains back the power
following click. Apart from that the A/C seems to work OK.
What might be causing that? Any help will be welcome.
'91 90 man non-Q