Engine Drive Belt Routing

V6 Engines
V6 Engines

V8 Engines
V8 Engines

If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.

If the vehicle is a hybrid, see the hybrid supplement for more information.

    See also:

    Security Light
    The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer ...

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). ...

    Tips and Troubleshooting Chart
    ...