Fuel System Pressure Relief Procedure

Fuel Supply System:

WARNING:
- To reduce the risk of fire and personal injury, it is necessary to relieve fuel system pressure before disconnecting fuel pipe fittings.
- After relieving system pressure, a small amount of fuel may be released when disconnecting fuel pipe fittings. In order to reduce the chance of personal injury, cover fuel pipe 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.

FUEL SYSTEM PRESSURE RELIEF PROCEDURE
Tools Required:

 J 34730-1, Fuel Pressure Gage and/or
- J 34730-250, Fuel Pressure Adapter.

1. Disconnect negative battery terminal to avoid possible fuel discharge if an accidental attempt is made to start the engine.
2. Loosen fuel filler cap to relieve tank vapor pressure.
3. Connect fuel pressure gage to fuel pressure connection tap. Wrap a shop towel around fitting while connecting gage to avoid spillage.
4. Install bleed hose into an approved container and open valve to bleed system pressure. Fuel connections are now safe for servicing.
5. Drain any fuel remaining in gage into an approved container.