GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: 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 air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct 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 air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement.