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Home >> Chevrolet >> 1992 >> APV >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis & Testing >> Pre-Diagnostic Inspection

Pre-Diagnostic Inspection

  1. Check master cylinder reservoir for correct fluid level. Inspect ABS hydraulic modulator for leakage or wiring damage. Check caliper piston for activation and release. Check all brakes to verify no drag exists.
  2. Check speed sensors for correct mounting and alignment. Inspect wire harness for correct routing. Ensure connectors are not damaged and have good contact.
  3. Verify all wheel bearings are not worn, causing wheel wobble. Ensure outer CV joints are correctly aligned and no play exists. Ensure all tires are in good condition and properly inflated.
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