GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Seville - RHD 🢒 Engine 🢒 Engine Controls - 4.6L 🢒 Fuel Pressure Service Valve Replacement

Removal Procedure

    Object Number: 682635 Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the fuel pressure connection valve (2) using a standard valve core removal and installation tool.

Installation Procedure

    Object Number: 682635 Size: SH
  1. Install the fuel pressure connection valve assembly (2) using a standard valve core removal and installation tool.
  2. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Inspect for fuel leaks.
    4. 3.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    3.2. Turn OFF the ignition for 10 seconds.
    3.3. Turn ON the ignition, with the engine OFF.
    3.4. Inspect for fuel leaks.
  4. Install the cap (3) on the fuel pressure connection valve.
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical