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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Repair Instructions >> Sunroof Housing Rear Drain Hose Replacement >> Installation Procedure

Installation Procedure

  1. Feed the rear sunroof drain hose down the C-pillar through the outboard access hole in the rear package shelf and into the rear compartment.
    2. Fig 1: View Of Rear Sunroof Drain Hose
    GM1222459Courtesy of GENERAL MOTORS COMPANY
  2. Connect the rear sunroof drain hose to the sunroof drain spigot.
  3. Connect the drain hose to the attachment clips on the roof rail, the C-pillar, and the rear compartment.
    4. Fig 2: Identifying Rear Sunroof Drain Hose Grommet
    GM1222472Courtesy of GENERAL MOTORS COMPANY
  4. Install the grommet into the opening in the rear lower quarter panel, if necessary. Ensure that the grommet is fully seated.
  5. Connect the end of the drain hose to the grommet.
  6. Install the rear compartment side trim panel. Refer to Rear Compartment Side Trim Panel Replacement (HP6, Left Side)Rear Compartment Side Trim Panel Replacement (HP6, Right Side)Rear Compartment Side Trim Panel Replacement (without HP6) .
  7. Install the headlining trim panel. Refer to Headlining Trim Panel Replacement (With Sunroof) .
  8. Close the rear compartment.
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