Brakes
Brake Hoses & Lines
Brake hoses and lines carry hydraulic pressure from the master cylinder to each brake.
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Brake system flow
Interactive — tap a partTap a part to see how it fits in the system.
What it does
- Flexible hoses allow suspension movement
- Steel lines run along the chassis
- Carry full brake pressure
When it fails
- Spongy pedal
- Fluid leak at a wheel
- Pulled to one side when braking
- Cracked or swollen rubber hose
How to diagnose
- Inspect hoses for cracks and bulges
- Check lines for rust and damage
- Feel for a collapsed hose restricting flow
Maintenance
- Replace damaged hoses immediately
- Bleed the system after hose changes
- Flush fluid every 2 years
Use the diagnosis order. When a part fails, confirm each hypothesis with measurements before replacing anything — codes and symptoms overlap.
Related part
Master Cylinder
The master cylinder converts pedal force into hydraulic pressure for all four brakes.