Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the
pointer moves towards the H (United States) or shaded in
thermostat symbol area (Canada), the engine is too hot.
A temperature indicator l ...
Engine Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air cleaner/filter.
When to Inspect the Engine Air Cleaner/Filter
Inspect the air cleaner/filter at the scheduled maintenance int ...
Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your
dealer first. Some electrical equipment can damage the vehicle and the damage would
not be covered by the vehicle&# ...