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AIR CON REGAS LOST PRESSURE...FAIL
#1
Hi

Just went to get my air con regassed, and, could not, due to being told it was losing pressure somewhere, now, ive never had to do this job, so, was wondering where the best place to start is??

many thanks

D
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#2
Most decent aircon dealers I know introduce an Ultra violet indicator die into the system. They then run the aircon and go round all the pipes etc with an ultra violet lamp. It soon shows any leaking points.

Geoff
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#3
I know this is a stab in the dark but its probably the condenser, they are the most vulnerable part of the air con system.

I had the same problem with our van when I took it for a re-gas, apparently the dye goes into the aircon gas but because there was a leak (they check with nitrogen first) then they can't put air con gas into a system with a known leak which meant the dye couldn't go in either. So it seems you can only check for leaks on a system you know isn't leaking, seems stupid to me but there you go.

I took our condenser off and pressurised it up with air whilst covering it in soapy water, sure enough it showed a leak on one of the fins. I ended up getting it working myself in the end, bought a set of gauges, a vac pump and some gas off ebay, 3 years later and its still ice cold.
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