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:

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Anytime unusual wear is noticed, rotate the tires as soon as possible, check for proper tire inflation pressure, an ...

Intake Manifold Installation (1.8L LUW and LWE)
Clean the sealing surfaces. Install 4 NEW gaskets. Caution: Refer to Fastener Caution. Install the intake manifold (2) and the 7 intake manifold bolts (1) and tighten to  20 Y (15 lb ft). Install the intake m ...

Throttle Body Assembly Installation
Install a NEW throttle body seal. Install the throttle body (1). Caution: Refer to Fastener Caution. Install the 4 throttle body bolts (2) and tighten to  8 Y (71 lb in). ...