Legacy Wagon 4WD F4-2.5L DOHC (1996)
Brake Master Cylinder: Description and Operation
MASTER CYLINDER
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A sealed reservoir tank is adopted to extend the service life of the brake fluid.
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The fluid level indicator is built into the reservoir tank for easy and correct monitoring of the fluid level when adding brake fluid.
BRAKE FLUID LEVEL INDICATOR
Under normal conditions, the float remains above the reed switch, and the magnetic force from the permanent magnet in the float is unable to
activate it. Therefore, the circuit is kept open, and the warning light remains oft. The float lowers as the brake fluid level lowers, and if it falls
below the specified fluid level [approx. 30 mm (1.18 in) below the MAX level line], the reed switch will be activated by the permanent magnet,
closing the circuit. In this event, the warning light comes on and warns the driver of a reduction of the brake fluid level.
However, the warning light may be lighted momentarily even when the brake fluid surface is still above the specified level, if the vehicle body tilts
or swings largely.
