Fuel System Pressure Relief

WARNING: To reduce the risk of fire and personal injury, it is necessary to relieve fuel system pressure before disconnecting fuel line fittings. After relieving system pressure, a small amount of fuel may be released when disconnecting fuel line fittings. In order to reduce the chance of personal injury, cover fuel line fittings with a shop towel before disconnecting, to catch any fuel that may leak out. Place the towel in an approved container when disconnect is completed.

PROCEDURE: Engines Without Fuel Pressure Connection (Except J Car Applications)
1. Ignition "OFF."
2. Loosen fuel filler cap to relieve tank pressure.
3. Raise vehicle.
4. Disconnect fuel pump electrical connector.
5. Lower vehicle.
6. Start and run engine until fuel supply remaining in fuel pipes is consumed. Engage starter for 3.0 seconds to assure relief of any remaining pressure.
7. Ignition "OFF."
8. Raise vehicle.
9. Connect fuel pump electrical connector.
10. Lower vehicle.
11. Disconnect negative battery cable to avoid possible fuel discharge if an accidental attempt is made to start the engine.
12. Fuel line fittings are now safe for servicing.
13. Perform service required.

NOTE: If performing fuel pressure check with a gage equipped with a bleed hose, fuel pressure can be relieved through the gage following test. Place bleed hose into approved gasoline container and open valve to bleed system pressure.

14. Tighten fuel filler cap.
15. Ignition "OFF."
16. Connect negative battery cable.
17. Cycle ignition "ON" and "OFF" twice, waiting ten seconds between cycles, then check for fuel leaks.