Fuel Supply System

Pressure Regulator

Replacement
AWARNING Do not smoke while working on fuel system. Keep open flame away from work area.
1. Place a shop towel under pressure regulator, then relieve fuel pressure (page 11-104).
2. Disconnect the vacuum hose and fuel return hose.
3. Remove the two 6 mm mounting bolts.

NOTE:
•   Replace-the 0-ring.
• When assembling the regulator, apply clean engine oil to the O-ring and assemble it into its proper position, taking care not to damage the O-ring.

Fuel Filter

Replacement

WARNING
•   Do not smoke while working on fuel system. Keep open flame away from work area.
•   While replacing be careful to keep a safe distance between battery terminals and any tools.
The filter should be replaced every 4 years or 60,000 miles (96,000 km), whichever comes first or whenever the fuel pressure drops below the specified value (280-330 kPa, 2.8-3.3 kg/cm2, 40-47 psi with the pressure regulator vacuum hose disconnected) after making sure that the fuel pump and the pressure regulator are OK.
1. Disconnect the battery negative cable from the battery negative terminal.
2. Place a shop towel under and around the fuel filter. 3. Relieve fuel pressure (page 11-104).

4. Remove the 12 mm banjo bolt and the fuel feed pipe from the filter.
5. Remove the fuel filter clamp and fuel filter.

6. When assembling, use new washers, as shown.

NOTE: Clean the flared joint of high pressure hoses thoroughly before reconnecting them.