Century V6-3.1L VIN J (2005)
2. Install the fuel return pipe to the fuel pressure regulator.
CAUTION: Connect the fuel return line before tightening the regulator attaching screw in order to prevent the regulator from rotating.
Rotation of the regulator could damage the retainer and spacer bracket and lead to a fuel leak at the regulator inlet.
3. Install the new retainer and the spacer bracket to the slot on the fuel rail.
4. Install the fuel pressure regulator to the fuel rail.
5. Install the fuel pressure regulator screw.
NOTE: Refer to Fastener Notice in Caution and Notices.
1. Tighten the engine fuel return pipe nut to 17 N.m (13 lb ft).
2. Tighten the fuel pressure regulator screw to 8.5 N.m (75 lb in).
6. Connect the fuel pressure regulator vacuum line.
7. Verify that the retainer and spacer bracket is engaged in slots in fuel rail. Grasp and pull on the regulator to ensure that the regulator is properly
seated.
8. Connect the negative battery cable.
9. Inspect the fuel system for leaks by performing the following steps:
1. Turn ON the ignition switch for 2 seconds.
2. Turn OFF the ignition switch for 10 seconds.
3. Turn ON the ignition switch.
4. Inspect for fuel leaks.