GM Service Manual Online
For 1990-2009 cars only

A water leak may indicate that one of the following conditions exists:

    • The drain hoses are plugged.
    • The drain hoses are crimped.
    • The drain hoses are disconnected.
    • The sunroof window is maladjusted.
    • The sunroof window is not completely closed.

Refer to Sunroof Drain Channel Inspection and Cleaning .

Wind noise may indicate that one of the following conditions exists:

    • The window panel is misaligned.
    • The weather-strip is damaged.

Refer to Sunroof Window Height and Opening Fit Adjustment .