GM Service Manual Online
For 1990-2009 cars only

Object Number: 490212  Size: SH
    • Place the watertest stands.
    • Watertest stand specifications:
       - The type of nozzle is a full cone spray with 60 degrees included angle. Use a full jet spray nozzle No. ½ GG-25 or equivalent.
       - The nozzle height is approximately 1 ,600 mm (63 in) from the floor.
       - The volume of flow is 14 liters (3.7 gallons) per minute.
       - The windshield and front body pillar are approximately 30 degrees down, 45 degrees toward rear and aimed at the corner of the windshield.
       - The doors are approximately 30 degrees down, 45 degrees towards rear and aimed at the center of rear door or the rear quarter panel.
       - The back door window is approximately 30 degrees down, 30 degrees toward front.
    • Move both test stands toward the body until you obtain the water spray overlap, if you cannot obtain the water pressure 155 kPa (22 psi), due to a local situation.