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Old 04-01-2003, 09:58 PM
Posts: n/a
C280 1994 A/C System


Is it possible that when a motor overheats that this would cause the freon to disiminate out of some pressure release valve such as found on the compressor due to high heat and high pressure?

My A/C had been working well until I had repair done to the heater valve under the hood up, on the passenger's side near the computer.

The symptom that I experienced last summer was that it would cool for 2 weeks but then stop. I ran dye in it and didn't detect anything except from the pressure release valve on the compressor. However, the irony of this is that my thermostat was bad and the engine heated beyond the norm. Suffice to say, I replaced the thermostat and the engine is running at normal temperature now. It appears, however, that I lost freon.

Any suggestions?
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