How to Install a Brake Hose

Servicing or replacing components in a hydraulic braking system usually allow air to enter the brake system. Air, like any gas, is compressible. In the system the trapped air acts like a cushion, creating a soft brake pedal feel and unsafe condition All trapped air must be bled out.When replacing any hydraulic line in the braking system, the system must be bled following the specific procedures outlined in your vehicles service manual.

Difficulty: Challenging

Instructions

Things You'll Need:

• Proper size line wrench
• Proper size brake bleeder wrench
• brake fluid disposal drum
• New brake fluid to replace lost fluid
• Scan tool to open valves and and allow air to be removed

Removing and replacing brake system lines or hoses.

1. Follow service manual instructions for your year model vehicle to bleed of hydraulic pressure. Depending on brake system, this may require a scan to to manually open trapped air in the brake system valves.

2. Using the appropriate line wrench for the line you are replacing, slowly turn ferrel counter clockwise until disconnected from system. Repeat procedure for other end of brake line.

3. Install the new brake line making sure both ends of the line are tightened snuggly to fitting.

4. Consult service manual for brake system air bleeding procedure and adjust appropriately.

Tips & Warnings

• Note: Hydraulic brake systems operate under high pressures. System must be bled of pressure before removing any lines or fittings.
• Hydraulic fluid can destroy the finish of your vehicle. Relieve pressure and dispose of old fluid according to OSHA guidlines.
• Hydraulic brake systems that are not properly bled will result in insufficient stopping power and may cause vehicle to fail to stop within the specifications recommended for your vehicle.

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