GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Cooling Schematics
Figure 1:

Gas
Object Number: 1915354 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Diesel
Figure 2:

Diesel
Object Number: 1915357 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
Gas