Sierra 3500 4WD V8-6.0L (2008)
![background image](/gmc/sierra_3500_4wd/v8-6.0l/Page-3525002.png)
5. Install the water trough to the sunroof from the top of the vehicle.
Notice: Refer to Fastener Notice.
6. Install the screws (1) that retain the water trough to the sunroof.
Tighten the screws to 1 N.m (9 lb in).
7. Install the sunroof window.