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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 640 (Hydraulic Brakes) >> Diagnostic Information & Procedures >> Brake Pulsation >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table:

  1. 2)  - Suspension components that are not operating properly may cause a disturbance to the vehicle during application of the brake system.
  2. 3)  - Anti-Lock brake system operation could produce feedback through the brake pedal during application of the brake system.
  3. Fig 1: Brake Pulsation Diagnosis
    G01668990Courtesy of GENERAL MOTORS CORP.