1972 Corvette: Service News: Refrigerant Leaks Air Conditioning Compressor Superheat Switch
Subject: Refrigerant Leaks Air Conditioning Compressor Superheat Switch
Model and Year: 1972 Passenger Models Except Vega
Source: Chevrolet Service News
Page Number: Page 1
Date: November 1972, Volume 44, Number 11
Investigation of refrigerant leaks in the area of the superheat switch located in the rear head of the compressor should include inspection of the switch cavity O-ring groove for foreign material.
When replacement of the O-ring seal becomes necessary to repair a refrigerant leak, it is imperative that the switch cavity on the rear head of the compressor be thoroughly cleaned.