Civic Hatchback L4-1.6L SOHC (16 Valve) (1996)
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High Pressure Safety Valve HVAC: Service and Repair
Compressor (Nippondenso)
1. Recover the refrigerant with a recovery/recycling/charging station.
2. Remove the relief valve and the O-ring. Plug the opening to keep foreign matter from entering the system and the compressor oil from running out.
3. Clean the mating surfaces.
4. Replace the O-ring with a new one at the relief valve, and apply a thin coat of refrigerant oil before installing it.
5. Remove the plug, and install and tighten the relief valve.
6. Charge the system and test its performance.