Nissan Murano: Brake System :: Basic Inspection / Brake Booster

Nissan Murano (Z52) 2015-2024 Service Manual / Brakes / Brake System :: Basic Inspection / Brake Booster

Inspection

VACUUM INSPECTION

Idle the engine for one minute to apply vacuum to the brake booster. Stop the engine. Depress the brake pedal several times at five second intervals until the accumulated vacuum is released to atmospheric pressure. Check that the clearance between brake pedal and dash lower panel gradually increases (A —>B —>C) each time the brake pedal is depressed during this operation.

Depress the brake pedal with the engine running. Then stop the engine while holding down the brake pedal. Check that the brake pedal stroke does not change after holding down the brake pedal for 30 seconds or more.

NOTE:

A slight impact with a small click may be felt on the pedal when the brake pedal is fully depressed. This is normal brake system operation.

OPERATION

Depress the brake pedal several times at five second intervals with the engine stopped. Start the engine with the brake pedal fully depressed. Check that the clearance between brake pedal and dash lower panel decreases.

NOTE:

A slight impact with a small click may be felt on the pedal when the brake pedal is fully depressed. This is normal brake system operation.

Brake Master Cylinder

Inspection Check for brake fluid leakage at the following areas: Master cylinder mounting face Reservoir tank mounting face Sub tank mounting face Brake tube and brake tube connections Brake hose and brake hose connections If any brake fluid leakage is found, repair as necessary...

Front Disc Brake. Disc Brake Rotor

Inspection Check for uneven wear of the disc brake rotor using a micrometer. Replace the disc brake rotor if the thickness is below the wear limit. Thickness variation (measured at 8 positions) : Refer to Front Disc Brake...

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