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AV-SCANNER / Accessory guides / Tyres, brakes and cooling
This guide teaches motorists and working mechanics how to use air conditioning manifold gauges to read system pressures safely and accurately. It covers tool selection, setup, connection, step-by-step operation, and interpretation of readings with worked examples. You will learn to diagnose common faults, avoid typical mistakes, and maintain and calibrate your gauges. By the end, you will be able to perform pressure tests confidently and know when to refer the job to a professional.
Guidance is general and covers many makes. Exact procedures and values vary by model, so confirm them in the factory service information for your vehicle.
Download all 12 sections as a branded PDF to use in the workshop.
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