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Home >> Mitsubishi >> 2005 >> Lancer Evolution RS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Basic Brake System -- Except Evolution) >> Rear Disc Brake Assembly >> Removal And Installation >> Installation Service Points >> >> B << Brake Drag Force Check
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>> B << Brake Drag Force Check

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  1. Check the brake drag force as follows.
    1. Start the engine and hold the brake pedal down for 5 seconds. [Pedal depression force: approximately 200 N (45 pound)]
    2. Stop the engine.
    3. Turn the brake disc forward 10 times.
    4. Use a spring scale to measure the hub torque with pads installed in the same direction as earlier.
    5. Calculate the drag force of the disc brake [difference between hub torque with pads installed and hub torque with pads removed].
      • Standard value: 68 N (15 pounds) or less 
  2. If the brake drag force exceeds the standard value, disassemble and clean the piston. Check for corrosion or worn piston seal, and check the sliding condition of the lock pin and guide pin.
    Fig 1: Checking Brake Drag Force
    G02414173Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.