Chevrolet Sonic Repair Manual: Catalytic Converter

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 t ...

Catalytic Converter Heat Shield Replacement (LUV)

Catalytic Converter Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. ...

Other materials:

Immobilizer System Component Programming
This procedure will learn the immobilizer function. If the battery voltage is low, charge the battery before proceeding with the learn. If the body control module (BCM) or engine control module (ECM) have been replaced, they must be programmed before performing this learn procedure. Dependin ...

Battery Negative Cable Disconnection and Connection
Battery Negative Cable Disconnection and Connection Callout Component Name Preliminary Procedures Turn on the radio and record all of the radio pre-set stations. Ensure that all lamps and accessories are turned off. Tu ...

Crankshaft Front Oil Seal Installation
Special Tools EN-6351 Mounting Sleeves For equivalent regional tools, refer to Special Tools. Clean the sealing surfaces. Slide the EN-6351 sleeves  (2) protective sleeve onto the crankshaft journal. Slide the crankshaft front oil seal (1) over the protective sleev ...