Removal Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the upper intake manifold. Refer to Intake Manifold Replacement - Upper in Engine Mechanical-4.3L.
- Remove the fuel pressure regulator retaining clip (5).
- Twist and pull the fuel pressure regulator (6) in order to remove the regulator from the housing using a shop towel to catch any spilled fuel.
- Remove and discard the regulator seal O-ring (10).
- Remove and discard the regulator filter (9).
- Remove and discard the regulator seal O-ring (8).
- Remove and discard the regulator seal backup ring (7).
- Cover the fuel pressure regulator housing to prevent contamination from entering the fuel system.