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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Brake System) >> Rear Disc Brake >> Repair Procedures >> Replacement >> Guide Rod Pin And Boot
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Guide Rod Pin And Boot

WARNING: This page is about a different car, the 2020 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  1. Loosen the wheel nuts slightly.

    Raise the vehicle, and make sure it is securely supported.

  2. Remove the rear wheel and tire (A) from the rear hub.
    NOTE:
    • Be careful not to damage the hub bolts when removing the rear wheel and tire (A).
    G12602658Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the parking brake cable fixing clip (A).
    G12602659Courtesy of HYUNDAI MOTOR AMERICA
  4. Pull the operation lever as a counter-clockwise direction and then parking cable (A) from the caliper.
    G12602660Courtesy of HYUNDAI MOTOR AMERICA
  5. Loosen the guide rod bolt and then up the caliper body (A).
    G12602661Courtesy of HYUNDAI MOTOR AMERICA
  6. Replace the guide rod and boot (A) with a new one.
    G12602662Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Pad return springs must be replaced with new ones whenever pads are replaced.
    • Technicians should be careful not to deform pad return springs.

      Specified Grease: GREASE BG-1 (MG511-60) 

      Amount: 0.35 - 0.8g 

    • When pad return springs are deformed, it may cause improper braking, more fuel consumption.
  7. Install the caliper body (A)

    Tightening Torque: 

    21.6 - 31.4 N.m (2.2 - 3.2 kgf.m, 15.9 - 23.1 lb-ft)

    G12602663Courtesy of HYUNDAI MOTOR AMERICA
  8. Install the rear wheel and tire (A).

    Tightening Torque: 

    107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

    G12602664Courtesy of HYUNDAI MOTOR AMERICA