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AV-SCANNER / Accessory guides / Tyres, brakes and cooling

Accessory guideTyre Tread Depth Gauge

This comprehensive guide covers the tyre tread depth gauge, a simple but essential tool for measuring remaining tread and judging wear patterns on any vehicle. It is written for both DIY motorists and working mechanics who want to move beyond guesswork and use a gauge correctly for accurate, repeatable results. You will learn the types of gauges available, how to select and set up the right one, and the full step-by-step procedure for taking measurements at multiple points across each tyre. The guide also explains how to interpret readings with worked examples, diagnose common wear problems, avoid typical mistakes, and maintain and calibrate your gauge for long-term reliability.

CategoryTyres, brakes and cooling
DifficultyDIY
Time needed20 to 30 minutes
Length12 sections

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.

Keep the full guide

Download all 12 sections as a branded PDF to use in the workshop.

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