Chevrolet Sonic Repair Manual: Fuel and Evaporative Emission Hose/Pipe Connection Cleaning Caution

Caution:

Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:

• The fuel pipe connections
• The hose connections
• The areas surrounding the connections

Evaporative Emission System Hose/Pipe Replacement

Removal Procedure Disconnect the evaporative emission pipe (1). Refer to Plastic Collar Quick Connect Fitting Service. Remove the plastic retainer  ...

Fuel and Evaporative Emission Pipe Warning

Warning: In order to reduce the risk of fire and personal injury observe the following items: Replace all nylon fuel pipes that are nicked, scratched or damaged during installation, d ...

Other materials:

Starting Procedure
1. With your foot off the accelerator pedal, turn the ignition to START. When the engine cranks, let go of the key. The idle speed will go down as the engine gets warm. The vehicle has a Computer-Controlled Cranking System. It assists in starting the engine and protects components. If the ign ...

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 ...

SIR Disabling and Enabling
SIR component location affects how a vehicle should be serviced. There are parts of the SIR system installed in various locations around a vehicle. To find the location of the SIR components refer to Supplemental Inflatable Restraint System Description and Operation. There are several reason ...