For 1990-2009 cars only
Removal Procedure
- Remove the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement.
- Clean the interface area of the rail regulator using proper degreasing materials and compressed air for drying.
- Loosen the pressure regulator using a commercial wrench WAF30. Grasp it by hand and pull it out while simultaneously turning it counterclockwise.
Warning: Refer to Gasoline/Gasoline Vapors Warning in the Preface section.
Note: Cleaning material must not penetrate the electric connector.
Installation Procedure
- Inspect and clean the threads and the sealing surface of the fuel rail.
- Inspect and clean the threads (1) and bite edge (2) of the common rail regulator.
- Lubricate the O-rings with fuel.
- Install the common rail regulator using a commercial wrench WAF30 counteracting with a wrench WAF35 at the hexagon of the housing and tighten.
- Prime the fuel system. Refer to Fuel System Priming.
Caution:
• Use care when servicing the fuel system components, especially the fuel injector electrical connectors, the fuel injector tips, and the injector O-rings. Plug the inlet and the outlet ports of the fuel rail in order to prevent contamination. • Do not use compressed air to clean the fuel rail assembly as this may damage the fuel rail components. • Do not immerse the fuel rail assembly in a solvent bath in order to prevent damage to the fuel rail assembly.
Note: The common rail regulator and O-ring must not be reused.
Caution: Refer to Fastener Caution in the Preface section.
| • | the common rail regulator to 60 N·m (44.3 lb ft) |
| • | turn the regulator 90 degrees in the opposite direction and then tighten to 85 N·m (62.7 lb ft) |
