Installation Procedure
- Do not use compressed air in order to test or clean a fuel pressure regulator as damage to the fuel pressure regulator may result.
- Clean the fuel pressure regulator filter screen with gasoline if necessary.
- Do not immerse the fuel pressure regulator in a solvent bath in order to prevent damage to the fuel pressure regulator.
- Lubricate the new O-rings with clean engine oil and install the O-rings to the fuel pressure regulator.
- Install the fuel return pipe to the fuel pressure regulator.
- Install the new retainer and the spacer bracket to the slot on the fuel rail.
- Install the fuel pressure regulator to the fuel rail.
- Install the fuel pressure regulator screw.
Tighten:
- Tighten the engine fuel return pipe nut to 17 N.m (13 lb ft).
- Tighten the fuel pressure regulator screw to 8.5 N.m (75 lb in).
- Connect the fuel pressure regulator vacuum line.
- 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.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
- Inspect the fuel system for leaks by performing the following steps:
- Turn ON the ignition switch for 2 seconds.
- Turn OFF the ignition switch for 10 seconds.
- Turn ON the ignition switch.
- Inspect for fuel leaks.
NOTE:
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.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.