Replace the wheel if any of the following conditions exist:
Note:
Air leaks caused by porosity on aluminum wheels are repairable.
Warning:
If you are replacing the wheel(s), the wheel stud(s), the wheel nut(s) or the wheel bolt(s), install only new GM original equipment parts. Installation of used parts or non-GM original equipment parts may cause the wheel to loosen, loss of tire air pressure, poor vehicle handling and loss of vehicle control resulting in personal injury.
Caution:
The use of non-GM original equipment wheels may cause:
Replace the wheel, the wheel studs and the wheel/nuts, or the wheel bolts if applicable, if any of the following conditions exist:
Steel wheel identification is stamped into the wheel near the valve stem.
Aluminum wheel identification is cast into the inboard side of the wheel.
P-Metric Sized Tires Description
Special ToolsDIC Operation and Displays
The DIC has different displays which can be accessed by using the DIC buttons
on the turn signal lever on the left side of the steering wheel. The DIC displays
trip, fuel, and warning messages if a system problem is detected. See Trip Computer and Vehicle Messages.
DIC Buttons
1. SET/C ...
Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...
Cooling Fan Description and Operation (LWE, LUW)
System Overview
The engine cooling fan system is composed of one cooling fan, 2 relays, the engine
control module (ECM), and the associated wiring. The cooling fan assembly includes
1 resistor mounted in the cooling fan shroud. The cooling fan resistor may be a
stand alone compon ...