GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank

Evaporative Emission Hoses/Pipes Replacement - Canister/Fuel Tank for Cadillac Seville 2003

Removal Procedure

Notice: 

   • Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
   • Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
   • Replace the vapor pipes with original equipment or parts that meet GM specifications.
   • Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.


    Object Number: 681724 Size: SH
  1. Remove the fuel tank (5). Refer to Fuel Tank Replacement .
  2. Disconnect the evaporative emission (EVAP) vent hose or pipe (1) from the fill limiter vent valve.
  3. Remove the EVAP vent hose/pipe from the fuel tank (5).

Installation Procedure

    Object Number: 681724 Size: SH
  1. Position the EVAP vent hose or pipe (1) on the fuel tank (5).
  2. Connect the EVAP vent hose/pipe (1) to the fuel limiter vent valve.
  3. Install the fuel tank. Refer to Fuel Tank Replacement .
  4. Lower the vehicle.