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Home >> Lexus >> 2009 >> LX 570 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes (Hydraulic) (Service Information) >> Brake Fluid >> On-Vehicle Inspection >> On-Vehicle Inspection

On-Vehicle Inspection

NOTE:

Water or deteriorated brake fluid. Sealed areas or brake fluid may deteriorate and lead to fluid leaks or decreased efficiency.

  1. CHECK FLUID LEVEL IN RESERVOIR 
    1. Turn the engine switch off and fully depress the brake pedal 40 times or more to release the pressure in the accumulator.
      Fig 1: Checking Fluid Level In Reservoir
      GTY123193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      When the pressure in the accumulator is released, the pedal stroke will lengthen.

    2. Adjust the fluid level so that it is at the MAX line.

      HINT: 

      When the engine switch is turned on (IG), brake fluid is sent to the accumulator and the fluid level decreases by approximately 10 mm (0.394 in.) from the MAX line.

      Brake fluid

      SAE J1703 or FMVSS NO. 116 DOT 3