Fuel Filter: Service and Repair

WARNING:
- Do not smoke while working on fuel system. Keep open flame away from your work area.
- While replacing the fuel filter, be careful to keep a safe distance between battery terminals and any tools.

The fuel filter should be replaced whenever the fuel pressure drops below the specified value [(B18B1 engine: 270 - 320 kPa, 40 - 47 psi) (B18C1, B18C5 engines: 320 - 370 kPa (47 - 54 psi) with the fuel pressure regulator vacuum hose disconnected and pinched] after making sure that the fuel pump and the fuel pressure regulator are OK.




1. Place a shop towel under and around the fuel filter.
2. Relieve fuel pressure.
3. Support the fuel filter with a wrench, as shown, then remove the 12 mm banjo bolt and the fuel feed pipe from the fuel filter.
4. Remove the fuel filter clamp and fuel filter.
5. Install the new fuel filter in the reverse order of removal and note these items:
- When assembling, use new washers as shown.
- Clean the flared joint of high pressure hoses thoroughly before reconnecting them.