940 SE L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1991)
High Pressure Safety Valve HVAC: Service and Repair
High-Pressure Switch Replacement
This procedure describes the installation of a high-pressure switch to cut out the A/C compressor temporarily in the event of high pressure in the system.
The pressure may rise excessively when idling in very hot climates.
WARNING: Before commencing work read and observe Safety Precautions when working on A/C systems. See: Service Precautions/Technician
Safety Information
Also read General Information on repair and replacement of A/C system components. See: Service and Repair/General Information On Repair
1. Disconnect battery ground lead.
2. Drain A/C system of refrigerant.
3. Remove splash guards under engine and radiator.
4. Disconnect A/C pipe.
Undo clips and connections.