GM Service Manual Online
For 1990-2009 cars only

Object Number: 239309  Size: SH
    • Place the watertest stands.

Object Number: 239311  Size: SH
    • 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 (1) are approximately 30 degrees down, 45 degrees toward rear and aimed at the corner of the windshield.
       - The doors (2) are approximately 30 degrees down, 45 degrees towards rear and aimed at the center of rear door or the rear quarter panel.
       - The rear window and the rear compartment lid (3) are approximately 30 degrees down, 30 degrees toward front and aimed about 600 mm (24 in) from the corner of the rear window.
    • 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.