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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 465 (Sunroof System) >> Repair Instructions >> Sunroof Module Assembly Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Sunroof Module Assembly & Bolts
    GM325161Courtesy of GENERAL MOTORS CORP.
  1. Position the sunroof module in the vehicle. Press up to install the two white nylon locator/retainers.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the sunroof module actuator bracket bolt.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

  3. Install the 6 sunroof module to roof bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  4. Install the 4 sunroof module bracket to side rail bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  5. Connect the front and rear drain hoses to the sunroof housing.
    6. Fig 2: Rear Hoses In Metal Roof Slot
    GM640195Courtesy of GENERAL MOTORS CORP.
  6. Properly route the rear hoses in the metal roof slot and tape the hoses in place.
  7. Connect the sunroof harness to the body harness at the right rear pillar.
  8. Install the sunroof sunshade panel. Refer to Sunroof Sunshade Panel Replacement .
  9. Temporarily install the power sunroof switch and check the operation of the sunroof.
  10. Install the headliner. Refer to Headliner Replacement in Interior Trim.
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