GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Silverado - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - Hybrid (HP2) 6.0L (LFA) 🢒 Evaporative Emission Hoses/Pipes Replacement - Engine

Removal Procedure

Note: Clean all evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid possible system contamination.


    Object Number: 1706143 Size: SH
  1. Remove the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
  2. Disconnect the EVAP line quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Disconnect the EVAP line quick connect fitting at the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.

Installation Procedure

    Object Number: 1706143 Size: SH
  1. Connect the EVAP line quick connect fitting at the EVAP canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service.
  2. Connect the EVAP line quick connect fitting at the intake manifold. Refer to Plastic Collar Quick Connect Fitting Service.
  3. Install the upper intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.