DEFINITION: Fluctuation or pulsation is felt through the brake pedal, steering wheel, seat, floor, and/or in the vehicle ONLY when braking.
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2
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- Inspect the disc brake system for the following conditions.
• | Excessive thickness variation of rotor friction surfaces |
• | Excessive assembled lateral runout (LRO) of rotor friction surfaces |
• | Hard spots, heat checks, bluing discoloration of rotor friction surfaces; possibly due to brake drag |
• | Excessive corrosion of rotor friction surfaces; including red, gray or black oxidation |
• | Loose, damaged or missing caliper or lining hardware |
• | Bent or damaged calliper or mounting component |
• | Excessive LRO of wheel hub/axle flange; due to damage and/or loose or excessively worn bearings |
- Adjust, repair or replace components as necessary. Refer to Disc Brake System Diagnosis .
Did you find and correct a condition?
| Go to Step 3
| Go to Diagnostic Starting Point - Vehicle
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