Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Hose Clips Securing Drain Hose To Cowl Panel & Side Door Frame

Courtesy of GENERAL MOTORS CORP.

Install the drain hose by passing it threw the front of the dash panel.
Route the end of the drain hose through side cowl panel until the paint mark is visible, right or left side, as needed.
Install the 1 hose clips securing the drain hose to the side door frame, right or left side, as needed.

Fig 2: Disconnecting/Connecting Front Sunroof Drain Hose At Sunroof Module Front Spigot

Courtesy of GENERAL MOTORS CORP.

Connect the front sunroof drain hose to the sunroof module front spigot, right or left side, as needed.
Install the instrument panel trim. Refer to Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (with RPO SLT) or Instrument Panel Upper Trim Panel with Windshield Defroster Nozzle Grille Replacement (without RPO SLT) .
Install the headliner. Refer to Headlining Trim Panel Replacement (Crew Cab) or Headlining Trim Panel Replacement (Extended Cab) or Headlining Trim Panel Replacement (Regular Cab) .