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gary
gary 9/16/2011
2003 GMC Yukon XL 2500 SLE 8Cyl8.1L - Engine
replaced air cond. compressor. freon escaped thru new hose pressure sensor. what's wrong?
new compressor had 100 miles when incident happened
1 Answer
  • Jeffrey A. Chuber
    Jeffrey A. Chuber 9/16/2011
    possible faulty low pressure switch as they are fragile and has plastic body surrounded by metal case.Barely hitting it during removal or replacement of manifold hoses can cause catastrophic failure of sensor or the O-ring seal around the threads can also fail. Hope that helps. Good news is the sensor is pretty cheap and easy to replace. Good luck.
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