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 and Wheel Balancing (Wheel Pilot Bore Greasing)
Beginning with MY 2011 vehicle, pilot bore grease should be applied. To enable this, grease must be applied to the pilot bore to prevent the wheel from seizing onto the hub. Refer to Adhesives, Fluids, Lubricants, and Sealers for pilot bore lubricant part number. Do not use any pene ...

Water Pump Pulley Removal
Loosen the 3 water pump pulley bolts (2) while holding up the water pump pulley hub with a wrench. Remove the 3 water pump pulley bolts (2). Remove the water pump pulley (1). ...

Intake Manifold Disassemble (1.8L LUW and LWE)
Remove the intake manifold absolute pressure sensor bolt (1). Remove the manifold absolute pressure sensor (2) from the intake manifold (3). Remove the intake manifold mount (2) from the intake manifold (1). Remove the throttle body seal& ...