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Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
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23,865 Posts
Welcome to Allpar. The high-side A/C pressure is too high and triggering the safety relief valve so that the compressor isn't damaged.
Is your radiator/condenser electric cooling fan coming on with the A/C switched on? If the condenser in front of the radiator can't cool the high-side refrigerant, the pressure will sky-rocket and dump out the relief valve.
If the car is moving down the road with air blowing through the radiator/condenser then the high-side pressures should fall to safe levels and the A/C may even blow cool. You need to diagnose this with high-side/low-side gauges before anything else.
What did they find on the transaxle?
 

·
Super Moderator
1966 Crown Coupe, 2016 200 S AWD, 1962 Lark Daytona V8.
Joined
·
23,865 Posts
Call around. Many offer an A/C service coupon or special, but you probably have to ask for it over the phone or at the desk. The A/C season is upon us.
Some offer a $29.95 service that is basically a diagnostic fee and applied to your final bill. People just don't ask for an A/C service unless it is blowing warm air.
A/C work can get very expensive if something major has failed.


SERVICE SPECIAL



A/C PERFORMANCE CHECKUP
Check A/C Outlet Temp
Check A/C Vents
Check A/C Fan
Check Cabin Air Filter
Check A/C Belt
$29.95
Plus Tax​






Does not include refrigerant or Air Conditioning dye.​
 
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