2016 – MX-5 – DriveLine/Axle

WHEEL HUB, STEERING KNUCKLE INSPECTION

Front Wheel Bearing Excessive Play Inspection

1. Remove the front brake hose bracket from the front upper arm. (See BRAKE HOSE (FRONT) REMOVAL/INSTALLATION [WITH SINGLE PISTON CALIPER].) (See BRAKE HOSE (FRONT) REMOVAL/INSTALLATION [WITH 4-POT OPPOSED PISTON CALIPER].)

2. Remove the front brake caliper component and suspend it in a place out of the way using a cable. (See FRONT BRAKE (DISC) REMOVAL/INSTALLATION [WITH SINGLE PISTON CALIPER].) (See FRONT BRAKE (DISC) REMOVAL/INSTALLATION [WITH 4-POT OPPOSED PISTON CALIPER].)

3. Remove the front disc plate. (See FRONT BRAKE (DISC) REMOVAL/INSTALLATION [WITH SINGLE PISTON CALIPER].) (See FRONT BRAKE (DISC) REMOVAL/INSTALLATION [WITH 4-POT OPPOSED PISTON CALIPER].)

4. Install the magnetic base and dial gauge as shown in the figure and measure the front wheel bearing axial excessive play.

Front wheel bearing maximum play

• 0.05 mm {0.002 in}

• If it exceeds the maximum specification, replace the wheel hub. (See WHEEL HUB, STEERING KNUCKLE REMOVAL/INSTALLATION.)

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