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:

Tire and Wheel Balancing (Road Force Variation (RFV))
ALL wheel/tire assemblies must have a RFV within spec before being mounted on vehicle. Important: If a wheel/tire assembly is not within the RFV specification after match mounting, the tire must be returned to the tire manufacturer. DO NOT install tire/wheel assembly on a vehicl ...

Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56?C (14?33?F), the intake air temperature (IAT) is greater than −10?C (14?F) and it has ...

Transmission Identification Information
456789 (1) Code for Automatic Transmission (2) Model Year (3) Model for Transmission (4) Transmission Family (5) Source Code for Plant (6) Calender Year (7) Julian Date ( ...