OnStar
Keys and LocksOnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system status light is next to the OnStar buttons. If the status light
is:
Solid Green: System is read ...
Engine Coolant Fan Shroud Replacement (LUV)
Engine Coolant Fan Shroud Replacement
Callout
Component Name
Preliminary Procedures
Drain the engine coolant. Refer to Cooling System Draining and Filling.
Remove the radiator surge tank. Refer to
Remove the radiator s ...
Special Tools (Diagnostic Tools)
Illustration
Tool Number/Description
CH-34730-2C
J-34730-2C
Injector Test Lamp
CH-38641-B
J-38641-B
Diesel Fuel Quality Tester
CH-39021-301
J-39021-301
...