Tires, wheels and pressure

Pressure, tread, sidewall markings and date codes. Every pressure value comes from the vehicle placard, never from this site.

Common failure modes

• Pressure read from the sidewall instead of the placard
• Pressure checked warm
• A tire well past its date code

Procedures

• How to read a tire sidewall and find out how old your tires areEvery tire carries its own date of manufacture, its size and its limits, moulded into the sidewall. The code that gives

Where this stops

Wheel removal, hub work and anything involving a supported vehicle is deferred to a later phase.