1. Refer to: Air Conditioning (A/C) System Health and Safety Precautions (100-00 General Information, Description and Operation).
2. WARNINGS:
Prevent air movement while performing leak detection.
Follow the manufacturer's instructions when working with the service unit.
NOTE: At 24C with the engine switched off, both manifold gauges should show 4.1 to 5.5 bar.
Attach the manifold gauge set to the service gauge port valves.
3. For the leak test, close the manual valves on the gauge set.
4. If little or no pressure is indicated, charge the system with approx. 300g of refrigerant. Refer to: Air Conditioning System - Evacuate and Refill.
5. Use the R-134a Automatic Calibration Halogen Leak Detector to leak test the refrigerant system.
Follow the instructions included with leak detector for handling and operation techniques.
6. If any leak is found, extract the refrigerant under suction. Refer to: Air Conditioning System - Evacuate and Refill.