Initial Inspection and Diagnostic Overview
INSPECT THE FOLLOWING:Master Cylinder Fluid Reservoir - for proper brake fluid level and for any signs of contamination.
Hydraulic Modulator - for any leaks or wiring damage.
Brake Components - at all four wheels, Verify no drag exists. Also, verify proper brake apply operation.
Worn Or Damaged Wheel Bearings - that may allow a wheel to "wobble."
Wheel Speed Sensors - and their wiring. Verify solid sensor attachment, undamaged sensor toothed ring and undamaged wiring, especially at vehicle attachment points.
VERIFY THE FOLLOWING:
Wheel-Side Constant Velocity Joint - for proper alignment and operation.
Tires - meet legal tread depth requirements.