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Old 06-03-2014, 10:49 AM
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slk230red slk230red is offline
WECO Installer
 
Join Date: Jul 2006
Location: Tampa, FL
Posts: 820
Quote:
Originally Posted by Elektri View Post
I don't know about your specific car, but typically there is a low pressure and high pressure sensor. If the pressure is too low or too high, it will not allow the compressor to kick on.

Those sensors on many cars are on the high side.
On my W201, after evacuating the system I short the high pressure switch at the drier to turn the compressor on to charge the ac.
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1993 190E 2.3
2001 SLK230
1971 LS5 (454) Corvette Convertible
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