GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.

  2. Object Number: 486596  Size: SH
  3. Remove the hardware retaining the evaporative emission (EVAP) pipes, if applicable.
  4. Inspect the location of the attaching hardware for installation.
  5. Remove the EVAP pipe/hoses.
  6. Inspect the pipe/hoses for bends, kinks, and cracks.
  7. Replace the pipes/hoses as required.

Installation Procedure


    Object Number: 486596  Size: SH
  1. Install the EVAP pipe/hoses.
  2. Install the hardware retaining the EVAP pipe/hoses.
  3. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.