Relief Procedure
Tools Requited
J 34730-1A
, Fuel
Pressure Gauge
Caution: Relieve the fuel system pressure before servicing fuel system components
in order to reduce the risk of fire and personal injury.
After relieving the system pressure, a small amount of fuel may be released
when servicing the fuel lines or connections. In order to reduce the chance
of personal injury, cover the regulator and the fuel line fittings with a
shop towel before disconnecting. This will catch any fuel that may leak out.
Place the towel in an approved container when the disconnection is complete.
- Disconnect the negative
battery terminal Refer to
Battery Negative Cable Disconnection and Connection
in Engine Electrical.
- Loosen the fuel filler cap to relieve tank vapor pressure.
- Connect Fuel Pressure Gauge J 34730-1A
to the fuel pressure connection. Wrap a shop towel around
the fuel pressure connection while connecting the fuel pressure gauge in
order to avoid spillage.
- Install the bleed hose into an approved container and open the
valve to bleed the system pressure. The fuel connections are now safe for
servicing.
- Drain any fuel remaining in the fuel pressure gauge into an approved
container.