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Water Hose Test

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Use a water hose without the nozzle attached.
  1. Have an assistant inside of the vehicle in order to locate the leak.
    2. Fig 1: Performing Water Hose Test
    GM95572Courtesy of GENERAL MOTORS CORP.
  2. Begin testing at the base of the window or the windshield.
  3. Slowly move the hose upward and across the top of the vehicle.
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