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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Brake System) >> Front Disc Brake >> Disassembly and Assembly of Brake Caliper Assembly >> Assembly

Disassembly and Assembly of Brake Caliper Assembly: Assembly

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply polyglycol ether based lubricant to the piston seal, and install them to the cylinder body.
    CAUTION: Do not reuse piston seal.
    Fig 1: Applying Polyglycol Ether Based Lubricant To Piston Seal And Installing Them To Cylinder Body
    G04876683Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Apply rubber grease to piston boot. Cover the piston end with piston boot, and install cylinder side lip on piston boot properly into groove on cylinder body.
    CAUTION: Do not reuse piston boot.
    Fig 2: Applying Rubber Grease To Piston Boots
    G04876684Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Apply brake fluid to piston, and press piston into cylinder body by hand to assemble piston side lip on piston boot properly into groove on piston.
    CAUTION: Press piston evenly and vary the pressing point to prevent cylinder inner wall from being rubbed.
  4. Install sliding pins and sliding pin boots to torque member.
    Fig 3: Inserting Piston Boot Piston-Side Lip Into Piston Groove
    G04887154Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install the torque member to the knuckle spindle and tighten the mounting bolts to the specified torque. Refer to "COMPONENTS ".
    CAUTION: Before installing torque member to vehicle, wipe oil and grease on the washer seats on steering knuckle and the mounting surface of the torque member.
  6. Install pad retainers to torque member.
  7. After assembling shims and shim covers to pad, install it to torque member.
    Fig 4: Identifying Pad Wear Sensor And Pad Return Lever
    G04876669Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Inner pad and outer pad have pad-return mechanism on the upper side of the pad retainer. When installing pad, be sure to install pad return lever to pad wear sensor securely as shown in the figure.
  8. Install cylinder body, and tighten sliding pin bolt to specified torque. Refer to "COMPONENTS ".
  9. Install a projection of brake hose metal fitting by aligning with protrusions on cylinder body, and then tighten union bolts to specified torque. Refer to "HYDRAULIC CIRCUIT ".
    CAUTION:
    • Assemble brake hose securely to protrusions on cylinder body.
    • Do not reuse copper washer for union bolts.
  10. After installing caliper assembly, refill with new brake fluid and bleed air. Refer to "BLEEDING BRAKE SYSTEM ".
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