Steering Wheel Vibration Correction for Brakes - TSB 94012
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The brake rotor run-out exceeds specification limits.
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As the brake pad rubs against the rotor while driving, the high spots on the brake rotor wear slightly.
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Rotor thickness variation may develop as the high spots on the brake rotor wear. If this thickness variation becomes large enough, brake
judder/shimmy may occur.
NISSAN SERVICE PROCEDURE:
Resurfacing the brake rotor using the Ammco On-Car Brake Lathe is the preferred method of correcting excessive rotor run-out and thickness variation.
Refer to Nissan Technical Bulletin NTB92-062 (BR92-004) "Ammco On-Car Brake Lathe Operating Guidelines."