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:

Heater and Air Conditioning Evaporator Case Replacement
Air Conditioning (A/C) Evaporator Case Assembly Replacement Callout Component Name Preliminary Procedure Remove the instrument panel tie bar. Refer to Instrument Panel Tie Bar Replacement. Remove HVAC module. Refer to Hea ...

Engine Mount Bracket Installation
Install the engine mount bracket (2). Caution: Refer to Fastener Caution. Install the 3 engine mount bracket bolts and tighten to  60 Y (45 lb ft) + 45?E0°. ...

Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation. Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line electrical connector and the louver ...