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Home >> GMC >> 1978 >> Forward Control 5.7L Eng VIN L, Standard Trans >> Repair and Diagnosis >> Maintenance >> Procedures >> Compressor Oil Check >> General Notes >> Compressor Isolating

Compressor Isolating

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On York and Tecumseh compressors which have stem-type service valves (at compressor suction and discharge ports), it will not be necessary to discharge the entire system in order to open the compressor for oil checking (or other compressor service).

NOTE: See York & Tecumseh Compressors and Compressor Replacement in this Section.