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Wiper Arm Tip Pressure Check

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Run the wiper arms to the mid-wipe position.
  2. Remove the wiper blades from the wiper arms. Refer toWiper Arm Blade Replacement .
  3. Attach a scale to the end of the wiper arm and measure the force required to lift the wiper arm perpendicular to the windshield to normal working height with the blade attached.
    4. Fig 1: Measuring Required Wiper Arm Force
    GM306518Courtesy of GENERAL MOTORS CORP.
  4. Replace the wiper arm if the measurement is not within the specification. Refer to Wiper Arm Replacement .

    Tip Pressure: 

    • Driver Side - 8.1-9.5 Newtons (29- 34 Ounces)
    • Passenger Side - 5.8-7.0 Newtons (21- 25 Ounces)

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