Removal Procedure

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Evaporative Emission Hoses/Pipes - Chassis/Canister

Courtesy of GENERAL MOTORS CORP.

Disconnect the evaporative emission (EVAP) purge pipe from the engine purge hose. Refer to Evaporative Emission Line Replacement - Engine to Chassis .
Cap or plug the purge pipe and the engine purge hose to prevent contamination.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the retaining nuts (1).
Disconnect the EVAP line from the plastic retainers (2).

Fig 2: View Of EVAP Line & Retainers

Courtesy of GENERAL MOTORS CORP.

Disconnect the quick connect fitting (1). Refer to Plastic Collar Quick Connect Fitting Service .
Disconnect the EVAP line from the plastic retainers (2).
Pull down on the EVAP plastic retainers (3) and remove the EVAP line.