Fuel Pressure Pulsation Damper: Service and Repair

FUEL PULSE DAMPENER REPLACEMENT

REMOVAL PROCEDURE




1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) Fuel Pressure Relief (Without CH 48027).
2. Remove the engine sight shield.
3. Clean any dirt from the fuel pressure dampener retainer and the surrounding area.
4. Remove the fuel pressure dampener clip (1) and dampener.




5. Remove the fuel pressure dampener backup ring.




6. Remove the fuel pressure dampener O-ring.

INSTALLATION PROCEDURE




1. Lubricate the fuel pressure dampener O-ring with clean engine oil.
2. Install the fuel pressure dampener O-ring.




3. Install the fuel pressure dampener backup ring.




4. Install the fuel pressure dampener and clip (1).
5. Install the engine sight shield.
6. Install the fuel fill cap.
7. Connect the negative battery cable.
8. Use the following procedure to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.