K 3500 Truck 4WD V8-5.7L VIN R (1998)
A/C Coupler O-ring: Service and Repair
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.
Install or Connect
Figure 18 - Sealing Washer Installation (1 Of 2)
1. Install sealing washer onto pilots of suction/discharge block fitting. Washers must bottom against surface of block fitting (Figure 18).
Figure 19 - Sealing Washer Installation (2 0f 2)
2. Install hose block to the compressor. Make sure the sealing washers are seated within the compressor machined surfaces (Figure 19).
3. Hold block in place, hand tighten bolt.
Tighten
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Bolt to 34 N.m (25 lb ft).
