DSG-423 FUEL SYSTEM
04-31
GENERAL SERVICE PROCEDURES
Fuel Pressure Relief
WARNING: REFER TO WARNINGS AT THE
BEGINNING OF THIS SECTION.
1. Disconnect the negative battery cable -- refer to
Section 6.
2. Remove the Schrader valve cap and attach a fuel
pressure gauge.
WARNING: OPEN MANUAL VALVE SLOWLY TO
RELIEVE SYSTEM PRESSURE.
3. Open the manual valve on the pressure gauge and
drain some fuel into a suitable container.
4. Fuel pressure is now relieved from system.
Spring Lock Coupling - Type I - Disconnect
WARNING: REFER TO WARNINGS AT THE
BEGINNING OF THIS SECTION.
1. Relieve the fuel system pressure -- Refer to“Fuel
Pressure Relief” on page 31 of this section.
2. If equipped, remove the fuel tube clip.
3. Install special tool 310-D005 as shown.
4. Close and push the special tool into the open side of
the cage.
5. Separate the fitting.
Spring Lock Coupling - Type I - Connect
1. Inspect and clean both the coupling ends and install
new o-ring seals and garter springs if necessary.
Fuel Pressure
Gauge 310-012
Schrader
Valve