Honda CRX silhouetteCRX

Fuel Supply System — Pressure Regulator Replacement / Fuel Filter Replacement

6-77prose procedure
Continued from 6-76

Pressure Regulator — Replacement

  1. 1
    Disconnect the negative terminal of the battery.
  2. 2
    Place a shop towel under pressure regulator, then relieve fuel pressure (page 6-71).
  3. 3
    Disconnect the vacuum hose and fuel return hose.
  4. 4
    Remove the two 6 mm retainer bolts.
    Replace the O-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.
    Illustration of the pressure regulator mounted to the fuel pipe with the O-ring called out for replacement.

Fuel Filter

Replacement

The filter should be replaced: every 2 years or 40,000 km (24,000 miles), whichever comes first or whenever the fuel pressure drops below the specified value (240—279 kpa, 2.45—2.85 kg/cm², 35—41 psi with the pressure regulator vacuum hose disconnected) after making sure that the fuel pump and the pressure regulator are OK.
  1. 1
    Disconnect the battery cable from the negative terminal.
  2. 2
    Place a shop towel under and around the fuel filter.
  3. 3
    Relieve fuel pressure (page 6-71).
  4. 4
    Remove the 12 mm banjo bolt and the fuel feed pipe from the filter.
  5. 5
    Remove the fuel filter clamp and fuel filter.
  6. 6
    When assembling, use new washers, as shown.
    Exploded view of the fuel filter, banjo bolt, service bolt, washers and mounting clamp, with tightening-torque callouts.
Banjo bolt
22N·m
Service bolt
12N·m
Fuel feed pipe bolt
22N·m
Fuel filter clamp bolt
10N·m
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