2016 Buick Cascada BaseFACTORY OEM SERVICE PROCEDURE

Sunroof Module Assembly Replacement

WARNING: This page is about a different car, the 2016 Chevrolet Malibu Limited. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Sunroof Module assembly
GM2027888Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedures 
Remove the headlining trim panel. Refer to Headlining Trim Panel Replacement (Without Sunroof) and Headlining Trim Panel Replacement (With Sunroof)
1 Sunroof Module Bolt (Qty: 12)
CAUTION: Refer to Fastener Caution .

Procedure

  1. Disconnect the electrical connector from the motor.
  2. Disconnect the drain hoses from the sunroof module assembly.

Tighten 
9 N.m (80 lb in)
2 Sunroof Module Assembly
Procedure 
A new sunroof module assembly does not include the sunroof window, the motor, the sunshade or the finishing lace as components. You must install the old components to the new sunroof module assembly.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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