Preliminary Checks

WARNING: This page is about a different car, the 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Visually check vacuum hoses for splits, kinks and proper connections as shown on vehicle emission control information label.
Ensure the vehicle operator understands the transmissions Torque Converter Clutch (TCC) operation, if equipped.
Ensure the vehicle operator understands the A/C compressor clutch operation, if equipped.