| Step | Action | Yes | No | 
      
       | 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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       | 1 
 
 | Were you sent here from the Hydraulic Brake Symptom table? 
 
 | Go to 
 
 | Go to
         
          Symptoms - Hydraulic Brakes 
 
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       | 2 
 
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            | 1. | Inspect the disc brake system for the following conditions. 
 
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            |  | • | Excessive thickness variation of rotor friction surfaces 
 
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            |  | • | Excessive assembled lateral runout (LRO) of rotor friction surfaces 
 
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            |  | • | Hard spots, heat checks, bluing discoloration of rotor friction surfaces; possibly due to brake drag 
 
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            |  | • | Excessive corrosion of rotor friction surfaces; including red, gray or black oxidation 
 
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            |  | • | Loose, damaged or missing caliper or lining hardware 
 
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            |  | • | Bent or damaged caliper or mounting component 
 
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            |  | • | Excessive LRO of wheel hub/axle flange; due to damage and/or loose or excessively worn bearings 
 
 |  Did you find and correct a condition?
 
 
 | Go to 
 
 | Go to
         
          Symptoms - Hydraulic Brakes 
 
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       | 3 
 
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            | 1. | Install or connect any components that were removed or disconnected during diagnosis. 
 
 |  Is the condition still present?
 
 
 | Go to 
 
 | System OK 
 
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