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Sunroof Switch Replacement Sunroof Motor/Actuator Replacement REPAIR INSTRUCTIONS SUNROOF DRAIN INSPECTION AND CLEANING Drain Hose Routing A drain trough encircles the sunroof window panel and water is drained off by the drain hoses 1. Check to ensure the front drain hoses are routed down the windshield pillars and out the center of the pillar between the door hinges. Make sure the hoses are not kinked. 2. Check to ensure the rear drain hoses are routed through the rear pillars and out of the rocker panel. Make sure the rear hoses are properly routed in the metal roof slot and taped in place. Plugged Drain Hose If a waterleak has occurred check for a plugged drain hose at each corner of drainage system. 1. Open the sunroof window. 2. To test for blockage, pour a small container of water into the module housing drain trough. Check each corner to confirm the drain hose is draining water. 3. Use compressed air, 241 kPa (35 psi) or less to blow out any drain hose that is plugged. 4. Test the system again. 5. If the hose remains plugged, check to see it is properly routed and does not have a kink. Refer to Drain Hose Routing. 6. Remove the blockage using the following steps. Push mechanics wire through the hose to remove the obstruction. Use compressed air in order to blow out any remaining material. Disconnected Drain Hose Inspect the drainage system for disconnected drain hoses. Complete the following steps in order CAUTION: Wear safety glasses in order to avoid eye damage.
2007 Hummer H3 2007 ACCESSORIES & EQUIPMENT Sunroof - H3
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