Toyota 4Runner: Brake Line

NOTICE:

• It is very important to keep the brake system parts and the area clean when repairing the brake system.
• Since the brake line is one of the critical safety-related parts, be sure to disassemble the components if a brake fluid leak is found. If any abnormality is found, replace the component with a new one.
• When removing brake components, cover the brake tube connections to prevent foreign matter such as dust or dirt from entering the tubes.
• Do not damage or deform the brake tubes when removing or installing them.
• When installing a brake tube or flexible hose, make sure that it is not twisted or bent.
• If the fitting of the flexible hose does not match the groove on the bracket, twist the hose slightly to insert it.
• Flexible hoses must be free from absorber oil, grease, etc.
• When installing a brake tube to a plastic clamp, make sure that the brake tube is not loose or pinched.
• Do not reuse a clip removed from a flexible hose.
• After installing a brake tube or flexible hose, make sure that it does not interfere with any other components.
• Do not allow brake fluid to adhere to any painted surface such as the vehicle body. If brake fluid leaks onto any painted surface, immediately wash it off.
• Follow these procedures when disconnecting the flexible hose and brake tube. Text in Illustration
  

  *a	Disconnecting
  *b	Connecting
  *1	Union Nut Wrench

  1. Remove the clip.
  2. Hold the flexible hose with a wrench. Using a union nut wrench, disconnect the brake tube without deforming the tube.
• Follow these procedures when connecting the flexible hose and brake tube.
  1. Hold the flexible hose with a wrench. Using a union nut wrench, connect the brake tube without deforming the tube.
  2. Install a new clip.
• Follow these procedures when connecting the brake tube and 2-way.
  
  1. Connect the brake tubes to the 2-way and temporarily install the flare nuts of the brake tubes.
  2. Support the 2-way to prevent deformation to the brake tubes and install the bolt to fix the 2-way to the frame.
  3. Support the 2-way to prevent deformation to the brake tubes and tighten the flare nuts of the brake tubes to the torque specification with a union nut wrench.
  4. Connect the clamp to the brake tubes and 2-way with the 2 bolts.

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