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:

Roof Outer Panel Replacement (5HB)
Removal Procedure Warning: Refer to Approved Equipment for Collision Repair Warning. Disable the SIR system. Refer to SIR Disabling and Enabling. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Remove all ...

HVAC System Control Module Programming and Setup
Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct calibration software, the control module will not control all of the vehicle features properly. Ensure th ...

Heating and Air Conditioning System Description and Operation
Engine Coolant Engine coolant is the key element of the heating system. The engine thermostat controls the normal engine operating coolant temperature. Coolant pumped out of the engine enters the heater core through the inlet heater hose. The air flowing through the HVAC module abs ...