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Brake System: Maintenance Nissan Versa I

Mechanical - Hydraulic 1 illustration ~258 words

CHECKING BRAKE FLUID LEVEL

  1. Make sure the fluid level in the reservoir tank is within the standard (between MAX and MIN lines).
  2. Visually check around the reservoir tank for fluid leakage.
  3. If fluid level is excessively low, check brake system for fluid leakage.
  4. Release parking brake lever and see if brake warning lamp goes off. If not, check brake system for fluid leakage.

Drain and Refill

CAUTIONRefill using recommended brake fluid. Refer to " RECOMMENDED FLUIDS AND LUBRICANTS ". Never reuse drained brake fluid. Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, immediately wipe them with cloth and wash it away with water. Before working, disconnect connectors of ABS actuator and electric unit (control unit) or battery cable from the negative terminal.
  1. Connect a vinyl tube to bleed valve.
  2. Depress the brake pedal, loosen the bleed valve, and gradually remove the brake fluid.
  3. Clean inside of reservoir tank, and refill with new brake fluid.
  4. Loosen bleed valve, depress brake pedal slowly to full stroke and then release it. Repeat the procedure every 2 or 3 seconds until the new brake fluid comes out, then close the bleed valve while depressing the brake pedal. Repeat the same procedure for each wheel.
  5. Bleed air. Refer to " «BLEEDING BRAKE SYSTEM»(ref-337632-S09496167732009080600000) ".
CAUTIONWhile bleeding, pay attention to master cylinder fluid level. Before working, disconnect connectors of ABS actuator and electric unit (control unit) or the battery cable from the negative terminal.
  1. Connect a vinyl tube to the rear right bleed valve.
  2. Fully depress brake pedal 4 to 5 times.
  3. With brake pedal depressed, loosen bleed valve to let the air out, and then tighten it immediately.
  4. Repeat steps 2 , 3 until no more air comes out.
  5. Tighten bleed valve to specified torque. Refer to " «COMPONENTS»(ref-337632-S42679122362009080600000) " (front disc brake), " «COMPONENTS»(ref-337632-S02093279612009080600000) " (rear drum brake).
  6. Following the steps 1 to 5 above, with master cylinder reservoir tank filled at least half way, bleed air from the rear right, front left, rear left, and front right brake, in that order.

Scheme 37

Scheme 37: Hydraulic Circuit
Scheme 37: Hydraulic Circuit
CAUTIONAll tubes and hoses must be free from excessive bending, twisting and pulling. Make sure there is no interference with other parts when turning steering both clockwise and counterclockwise. Brake tubes and hoses are an important safety part. Always disassemble the parts and retighten their fittings, if a brake fluid leak is detected. Replace applicable part with a new one, if damaged part is detected. Be careful not to splash brake fluid on painted areas; it way cause paint damage. If brake fluid is splashed on painted surfaces of body, immediately wipe them with cloth and then wash it away with water. Do not bend or twist brake hose sharply, or strongly pull it. When removing components, cover brake line connections so that dirt, dust, or other foreign matters do not get in. Refill using recommended brake fluid. Refer to " RECOMMENDED FLUIDS AND LUBRICANTS ". Never reuse drained brake fluid.

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