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re: Update at bottom: Another A/C problem (car this time)

Posted on 7/7/18 at 12:13 pm to
Posted by windmill
Prairieville, La
Member since Dec 2005
7024 posts
Posted on 7/7/18 at 12:13 pm to
Make 100% certain the clutch is indeed engaged. Gauge dials closed . Equalized pressures of 140 under these conditions would indicate a bad compressor. The shaft of the compressor is broken or it's completely worn out. I want to know what the static pressure of the system is.?
Posted by ScottyB
Member since Apr 2016
39 posts
Posted on 7/7/18 at 12:17 pm to
these compressors are variable displacement compressors and dont have clutches like most mb in the last 15 years. 140psi on both side shows the compressor isnt working. also it could be 140 due to heat, pressure rises with heat, or it is over charged
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 7/7/18 at 1:04 pm to
Not gonna be back to the house until later this afternoon, but will check static pressures later. The clutch is most definitely spinning, and the gauges are definitely closed off
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