Chevrolet Sonic Repair Manual: Cylinder Block

Engine Block Cleaning and Inspection

Special Tools EN-8087 Cylinder Gauge For equivalent regional tools, refer to Special Tools. Clean the sealing material from the gasket mating surfaces (2). Clean the engine blo ...

Crankshaft Sprocket Installation

Note: When installing the crankshaft sprocket, the cam and the groove must align (2). Install the crankshaft sprocket (1). ...

Other materials:

Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), passenger sensing system, the pretensioners (if equipped), the airbag modules, the wiring, and the crash sensing and diagnostic module. For more information on the airbag ...

SIR Seatbelt Pretensioner Handling Warning
Warning: When carrying an undeployed inflatable restraint seat belt retractor pretensioner: Do not carry the seat belt pretensioner by the seat belt webbing or pigtail connector, if equipped. Carry the seat belt pretensioner by the housing, keeping hands and fingers away fro ...

Drive Range, Sixth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 26 pressure control so ...