Symptoms - Hydraulic Brakes; Brake Warning Indicator Always On; Brake Warning Indicator Inoperative - GMC chevrolet camaro 2000 Service Manual

5-16 Hydraulic Brakes Brakes
Hydraulic Brake Diagnostic System Check (cont'd)
Symptom
Brake Pulsation
Brake Pulls
Symptoms - Hydraulic Brakes
Important: Revjew the system description in order to
familiarize yourself with the system functions. Refer
to one of the following descriptions:
• Master Cylinder Description
• Vacuum Brake Booster Description
• Brake Warning System Description
Visual/Physical Inspection
• Inspect for aftermarket devices which could affect
the operation of the Brake Warning System. Refer
to one of the following descriptions: Checking
Aftermarket Accessories in Wiring Systems.
• Inspect the easily accessible or visible system
components for obvious damage or conditions
which could cause the symptom.
Causes
• Incorrect lining material.
• Contaminated brake lining.
• Brake linings damaged by abuse.
• S.cored rotor. Refer to Refinishing Brake Rotors (Front)
or Refinishing Brake Rotors (Rear).
• Improper thickness variation in rotor. Refer to Brake
Rotor Thickness Variation Check.
• Excessive lateral runout in rotor. Refer to Brake Rotor
Lateral Runout Check.
• Loose front suspension parts.
• Out-of-balance wheel assembly.
• Improperly torqued wheel nuts.
• Rotor corroded.
• Worn out brake lining.
• Uneven brake lining wear.
• Incorrect lining material.
• Contaminated brake lining.
• Brake linings damaged by abuse.
• Improper rotor surface finish.
• Scored rotor. Refer to Refinishing Brake Rotors (Front)
or Refinishing Brake Rotors (Rear).
• Restricted brake fluid passage.
• Incorrect front wheel alignment.
• Incorrect tire pressure.
• Loose front suspension parts.
• Sticking caliper or caliper pistons. Refer to Brake Caliper
Overhaul (Front) or Brake Caliper Overhaul (Rear).
• Caliper to knuckle clearance.
• Rotor corroded.
Intermittent
Faulty electrical connections or wiring may be the
cause of intermittent conditions. Refer to Testing for
Intermittent and Poor Connections in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the
following list in order to diagnose the symptom:
• Brake Warning Indicator Always On
• Brake Warning Indicator Inoperative
• Brake System Testing
• 'Brake Pedal Travel
• Brake Fluid Leak
(