System Settings
AM-FM RadioData 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 ...
Piston, Connecting Rod, and Bearing Installation
Special Tools
EN-470-B Angular Torque Wrench
For equivalent regional tools, refer to Special Tools.
Adjust the piston ring joints as follows:
Upper compression ring (1).
Lower compression ring (4).
Oil rings (2) or (3).
Oil ring spacer (5). ...
Turbocharger Replacement
Special Tools
EN-49942 Holding Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection
and Connection.
Drain the cooling system. Refer to Cooling System Draining and Fi ...