Silverado Classic 2500 2WD V8-8.1L (2007)
3. Install the battery tray bolts (1) to the fender inner panel.
Tighten the bolts to 9 N.m (80 lb in).
4. Install the battery tray bolts (2) to the battery tray reinforcement.
Tighten the bolts to 9 N.m (80 lb in).
5. Install the battery.