Note: According to different corrosion warranties, only the regional mandatory joining methods are allowed.
Installation Procedure
Removal ProcedureService Vehicle Messages
SERVICE AC SYSTEM
This message displays if there is a problem with the air conditioning system.
Take the vehicle to your dealer for service.
SERVICE POWER STEERING
This message displays if there is a problem with the power steering system. Take
the vehicle to your dealer for service.
SERVICE ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the service
panel as noted from the original panel.
Clean and prepare the attaching surfaces for welding.
Position the roof rear header (1) panel on the vehicle.
Verify the fit of the panel.
Clamp the roof rear header ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...