How a single-circuit system works- 4 3 1 2 Simple system bleed sequence

A single hydraulic brake pipe carries the brake fluid to each wheel. A leak affects all the brakes.

Bleeding a single-circuit system: Start at the wheel furthest from the master cylinder, and end at the nearest.

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Bleeding the brakes

Most car manufacturers recommend renewing the hydraulic brake fluid every 18 to 24 months. The fl...