Chevrolet Sonic Repair Manual: Engine Control

Internal Combustion Powertrain Control

General

Other materials:

Brake Rotor Assembled Lateral Runout Correction - Indexing
Special Tools CH-45101-100 Conical Brake Rotor Washers For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. Note: Brake rotor thickness variation MUST be checked BEFORE checking for assembled lateral runout (LRO). Thi ...

Engine Flywheel Replacement
Engine Flywheel Replacement Callout Component Name Preliminary Procedure Remove the clutch pressure and driven Plate . Refer to Clutch Pressure and Driven Plate Replacement. Special Tools EN-652 Flywheel Holder ...

Valve Guide Reaming, and Valve and Seat Grinding
Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chrome plated to provide enhanced wear characteristics. Wire brushing the stem could remove the chr ...