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Home >> Lexus >> 2008 >> GS 450h >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Service Information) >> Front Brake Pad, Brake Caliper & Brake Rotor >> Installation

Front Brake Pad, Brake Caliper & Brake Rotor: Installation

HINT:

CAUTION: When the brake caliper is removed from the brake disc, do not start the hybrid system. If the hybrid system is started, the brake fluid pressure may increase.
  1. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY LH 
    1. Install the disc brake caliper with the 2 bolts.

      Torque: 78 N*m (795 kgf*cm, 57 ft.*lbf) 

      Fig 1: Locating Disc Brake Caliper With Bolts
      G05816518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT FRONT BRAKE FLEXIBLE HOSE 
    1. Connect the flexible hose with the union bolt and a new gasket.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

      NOTE: Install the flexible hose lock securely in the lock hole in the disc brake caliper.
      Fig 2: Locating Flexible Hose With Union Bolt
      G05809336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL DISC BRAKE PAD KIT FRONT (PAD ONLY) 
    1. Apply disc brake grease to the anti-squeal shims and install them to each pad.
      Fig 3: Applying Disc Brake Grease To Anti-Squeal Shims
      G05306145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      Install the clip lock securely in the groove of the pad.

      NOTE:
      • When replacing worn pads, the anti-squeal shims must be replaced together with the pad.
      • Install each shim in the correct position and direction.
      • There should be no oil or grease on the friction surface of the pads and the disc.
  4. INSTALL FRONT DISC BRAKE ANTI-RATTLE SPRING 
  5. INSTALL FRONT DISC BRAKE ANTI-RATTLE WITH HOLE PIN 
    1. Install the hole pin while pushing on the anti-rattle spring.
    2. Install the clip.
      Fig 4: Pushing Anti-Rattle Spring
      G05297305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. DISABLE BRAKE CONTROL  (See BLEEDING  )
  7. FILL RESERVOIR WITH BRAKE FLUID  (See BLEEDING  )
  8. BLEED AIR FROM FRONT BRAKE SYSTEM  (See BLEEDING  )
  9. CHECK BRAKE FLUID LEVEL IN RESERVOIR  (See BLEEDING  )
  10. INSPECT FOR BRAKE FLUID LEAK 
  11. INSTALL FRONT WHEEL 

    Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf) 

  12. CHECK AND CLEAR DTC 
    1. Check and clear the DTC (see DTC CHECK/CLEAR ).