Nissan Maxima Service and Repair Manual: Brake tube and hose

Hydraulic Circuit

Nissan Maxima. Hydraulic Circuit

  1. Actuator
  2. Master cylinder
  3. Brake booster
  4. Connector A. Union bolt 18.2 N*m (1.9 kg-m, 13 ft-lb)
    B. Flare nut M12 22.1 N*m (2.3 kg-m, 16 ft-lb)
    C. Flare nut M10 16.2 N*m (1.7 kg-m, 12 ft-lb)

CAUTION:

  • All hoses and piping (tubes) must be free from excessive bending, twisting and pulling.
  • Make sure there is no interference with other parts when turning the steering wheel both clockwise and counterclockwise.
  • The brake piping is an important safety part. If a brake fluid leak is detected, always disassemble the parts. Replace applicable part with a new one, if necessary.
  • Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately.
  • Do not bend or twist brake hose sharply, or strongly pull it.
  • When removing components, cover connections so that no dirt, dust, or other foreign matter gets in.
  • Refill with new specified brake fluid. Refer to MA-15, "FOR USA AND CANADA : Fluids and Lubricants" (for United States and Canada) or MA-15, "FOR USA AND CANADA : Fluids and Lubricants" (for Mexico).

    - Do not reuse drained brake fluid.

Removal and Installation of Front Brake Piping and Brake Hose

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

  1. Remove the front wheel and tire using power tool. Refer to WT-60, "Adjustment".
  2. Remove the reservoir cap.

Nissan Maxima. REMOVAL

  1. Disconnect brake hose from brake tube, using a suitable tool.
  2. Remove lock plate and then remove brake hose from bracket.

Nissan Maxima. REMOVAL

  1. Remove union bolt (A) and then remove brake hose and copper sealing washers from brake caliper assembly.

CAUTION: Do not reuse copper sealing washers.

INSTALLATION

Nissan Maxima. INSTALLATION

  1. Install brake hose by aligning with the protrusion on brake caliper assembly, then install the union bolt (A) and new copper sealing washers (1) and tighten union bolt (A) to specification.

    Refer to BR-20, "Hydraulic Circuit".

CAUTION: Do not reuse copper sealing washers.

Nissan Maxima. INSTALLATION

  1. Connect brake hose to brake tube, partially tighten flare nut by hand as much as possible, then secure it to the bracket with lock plate.
  2. Tighten flare nut to the specified torque, using a suitable tool.

    Refer to BR-20, "Hydraulic Circuit".

  3. Refill brake fluid and bleed air. Refer to BR-16, "Bleeding Brake System".
  4. Install the reservoir cap.
  5. Install the front wheel and tire. Refer to WT-60, "Adjustment".

Removal and Installation of Rear Brake Piping and Brake Hose

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

Nissan Maxima. REMOVAL

  1. Remove the rear wheel and tire using power tool. Refer to WT-60, "Adjustment".
  2. Remove the reservoir cap.
  3. Disconnect brake hose from brake tube, using a suitable tool.
  4. Remove lock plate and then remove brake hose from bracket

Nissan Maxima. REMOVAL

  1. Remove union bolt (A), and then remove brake hose and copper sealing washers from brake caliper assembly.

CAUTION: Do not reuse copper sealing washers.

INSTALLATION

Nissan Maxima. INSTALLATION

  1. Install brake hose by aligning with the protrusion on brake caliper assembly, then install the union bolt (A) and new copper sealing washers (1) and tighten union bolt (A) to specification.

    Refer to BR-20, "Hydraulic Circuit".

CAUTION: Do not reuse copper sealing washers.

Nissan Maxima. INSTALLATION

  1. Connect brake hose to brake tube, partially tighten flare nut by hand as much as possible, then secure it to the bracket with lock plate.
  2. Tighten flare nut to the specified torque, using a suitable tool.

    Refer to BR-20, "Hydraulic Circuit".

  3. Refill brake fluid and bleed air. Refer to BR-16, "Bleeding Brake System".
  4. Install the reservoir cap.
  5. Install the rear wheel and tire. Refer to WT-60, "Adjustment".

Inspection After Installation

Brake tubes and hoses are important safety parts. Always disassemble the parts and retighten their fittings if a brake fluid leak is detected. Replace applicable part with a new one, if a damaged part is detected.

  1. Check brake lines (tubes and hoses), and connections for fluid leaks, damage, twist, deformation, contact with other parts, and loose connections. Replace any parts as necessary. Refer to BR-20, "Hydraulic Circuit".
  2. While depressing brake pedal under a force of 785 N (80 kg, 177 lb) with engine running for approximately 5 seconds, check each part for fluid leaks.
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