Prelude L4-1958cc DOHC (1989)
Fuel Filter: Service and Repair
WARNING: Do not smoke during the test. Keep open flames away from your work area. Be sure to relieve fuel pressure while engine is off.
1. Attach a pressure gauge to the service port of the fuel filter.
a. Disconnect the negative battery cable.
b. Remove the fuel tank filler cap.
c. Use a box end wrench on the 6mm service bolt at the top of the fuel filter, while holding the special banjo bolt with another wrench.
Fuel Filter Service Bolt
c. Place a rag or shop towel over the 6mm service bolt and SLOWLY loosen the 6mm service bolt one complete turn.
Fuel Filter Assembly
2. Remove the 12mm banjo bolt and the fuel feed hose from the filter.
3. Remove the fuel filter clamp and the fuel filter.
4. Reverse above procedure to install, replace washers as shown in illustration.
5. Torque fuel filter clamp bolt to 7 lb-ft (10 Nm). Torque both banjo bolts to 16 lb-ft (22 Nm), Torque service bolt to 9 lb-ft (12 Nm).
