K 3500 Truck 4WD V8-5.7L VIN R (1998)
A/C Coupler O-ring: Service Precautions
Compressor Sealing Washers
Important
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When installing sealing washers, keep dirt and foreign material from getting on the sealing surfaces of the washers, hose block, or compressor
ports. Clean all sealing surfaces with a lint-free rag.
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Do not reuse sealing washers.
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Sealing washers do not have to be oiled prior to assembly.
