GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Cobalt 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission Hoses/Pipes Replacement - Chassis/Canister

Removal Procedure

    Object Number: 2034674 Size: SH
  1. Disconnect the evaporative emission (EVAP) purge pipe from the engine purge hose. Refer to Evaporative Emission Hoses/Pipes Replacement - Engine/Chassis .
  2. Cap or plug the purge pipe and the engine purge hose to prevent contamination.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the retaining nuts (1).
  5. Disconnect the EVAP line from the plastic retainers (2).

    6. Object Number: 2034701 Size: SH
  6. Disconnect the quick connect fitting (1). Refer to Plastic Collar Quick Connect Fitting Service.
  7. Disconnect the EVAP line from the plastic retainers (2).
  8. Pull down on the EVAP plastic retainers (3) and remove the EVAP line.

Installation Procedure

    Object Number: 2034701 Size: SH
  1. Install the EVAP line into the plastic retainers (3).
  2. Connect the EVAP line to the plastic retainers (2).
  3. Connect the quick connect fitting (1). Refer to Plastic Collar Quick Connect Fitting Service.

    4. Object Number: 2034674 Size: SH
  4. Connect the EVAP line to the plastic retainers (2).

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the retaining nuts (1).

    6. Tighten
    Tighten the nuts to 10 N·m (89 lb in).

  6. Remove the caps or plugs from the purge pipe and the engine purge hose.
  7. Connect the purge pipe to the engine purge hose. Refer to Evaporative Emission Hoses/Pipes Replacement - Engine/Chassis .