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Home >> Cadillac >> 2002 >> DeVille DHS V8-4.6L VIN Y >> Repair and Diagnosis >> Heating and Air Conditioning >> Description and Operation >> HVAC System - Automatic >> Air Temperature Description and Operation >> A/C Mode >> A/C Compressor Thermal Switch

A/C Compressor Thermal Switch

The A/C compressor clutch contains an internal thermal switch The switch opens when compressor temperatures reach 155°C (311°F). When the switch opens, supply voltage is removed from the A/C compressor clutch and the clutch will disengage. The switch will close once temperatures drop down to 125°C (257°F). The thermal switch is serviced by replacement of the A/C compressor only.
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