2022 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE

Precaution for Brake System

WARNING: Clean any dust from the front brake and rear brake using a vacuum dust collector. Do not blow by compressed air.
  • Brake fluid use refer to Fluids and Lubricants .
  • Do not reuse drained brake fluid.
  • Do not spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off immediately and wash with water if it gets on a painted surface.
  • Always clean with new brake fluid when cleaning the master cylinder, brake caliper and other components.
  • Do not use mineral oils such as gasoline or light oil to clean. They may damage rubber parts and cause improper operation.
  • Always loosen the brake tube flare nut with a flare nut wrench.
  • Tighten the brake tube flare nut to the specified torque using a flare nut crowfoot (A) and a torque wrench (B).
    GNSJPFIA01Z-001Courtesy of NISSAN NORTH AMERICA, INC.
  • Always confirm the specified tightening torque when installing the brake pipes.
  • Turn the ignition switch OFF and disconnect the ABS actuator and electric unit (control unit) connector or the battery negative terminal before performing the work.
  • Always connect the battery terminal when moving the vehicle.
  • Check that no brake fluid leakage is present after replacing the parts.
  • Check for bends, cracks and damage to the brake pedal. Adjust brake pedal if it is outside the standard value.
  • Burnish the brake contact surfaces after refinishing or replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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