Chevrolet Sonic Repair Manual: Air Metering/Acceleration

Fuel Pump Control Module Programming and Setup

The fuel pump control module must be programmed with the proper calibration software. The module stores and utilizes this information however if it is not properly configured with the correct cali ...

Throttle Actuator Control (TAC) System Description

acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor The ...

Other materials:

Brake Drum Diameter Measurement
Warning: Refer to Brake Dust Warning. Remove brake drum. Refer to Brake Drum Replacement Clean the brake shoe lining contact surface of the brake drum (2) with denatured alcohol or an equivalent approved brake cleaner. Using a brake drum micrometer (1) calibra ...

Engine Front Cover with Oil Pump Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Set the engine to TDC. Refer to Camshaft Timing Chain Inspection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove ...

Piston and Connecting Rod Assemble
Special Tools EN-49941 Remover / Installer Piston Retainer Ring For equivalent regional tools, refer to Special Tools. Note: Lubricate the piston pin with clean engine oil. Install the connecting rod (3) and the piston pin (2) to the piston (1). Install t ...