Dodge ram truck 3500 1996 Service Manual page 1246

14 - 1 2 FUEL SYSTEM
BR
S E R V I C E P R O C E D U R E S {Continued)
CAUTION: The interior components (o-rings
5
spac­
ers) of this type of quick-connect fitting are not ser­
viced separately, but new plastic retainers are
available. Do not attempt to repair damaged fittings
or fuel lines/tubes. If repair is necessary, replace
the complete fuel tube assembly.
WARNING: THE F U E L SYSTEM IS UNDER A CON­
STANT P R E S S U R E (EVEN WITH THE ENGINE OFF).
B E F O R E SERVICING ANY F U E L SYSTEM H O S E S ,
FITTINGS OR LINES, THE F U E L SYSTEM P R E S ­
S U R E MUST B E R E L E A S E D . R E F E R TO THE F U E L
PRESSURE RELEASE PROCEDURE IN THIS
GROUP.
PLASTIC RETAINER RING TYPE FITTING
This type of fitting can be identified by the use of a
full-round plastic retainer ring (Fig. 15) usually black
in color.
DISCONNECTION/CONNECTION
(1) Disconnect negative battery cable from the bat­
tery.
(2) Perform the fuel pressure release procedure.
Refer to the Fuel Pressure Release Procedure in this
section.
(3) Clean the fitting of any foreign material before
disassembly.
(4) To disconnect the quick-connect fitting, squeeze
the plastic retainer tabs (Fig. 14) against the sides of
the quick-connect fitting with your fingers. Tool use
is not required for removal and may damage plastic
retainer. Pull the fitting from the fuel system compo­
nent being serviced. The plastic retainer will remain
on the component being serviced after fitting is dis­
connected. The o-rings and spacer will remain in the
quick- connect fitting connector body.
(5) Inspect the quick-connect fitting body and com­
ponent for damage. Replace as necessary.
CAUTION: When the quick-connect fitting was dis­
connected, the plastic retainer will remain on the
component being serviced. If this retainer must be
removed, very carefully release the retainer from
the component with two small screwdrivers. After
removal, inspect the retainer for cracks or any dam­
age.
(6) Prior to connecting the quick-connect fitting to
component being serviced, check condition of fitting
and component. Clean the parts with a lint-free
cloth. Lubricate them with clean engine oil.
(7) Insert the quick-connect fitting to the compo­
nent being serviced and into the plastic retainer.
When a connection is made, a click will be heard.
• (8) Verify a locked condition by firmly pulling on
fuel tube and fitting (15-30 lbs.).
(9) Connect negative cable to battery.
(10) Start engine and check for leaks.
INSTALLATION
PUSH-
/
•PUSH
PLASTIC
RETAINER
J9314-100
Fig. 15 Plastic Retainer Ring Type Fitting
CAUTION: The interior components (o-rings, spac­
ers, retainers) of this type of quick-connect fitting
are not serviced separately. Do not attempt to repair
damaged fittings or fuel lines/tubes. If repair is nec­
essary, replace the complete fuel tube assembly.
WARNING: T H E F U E L S Y S T E M IS UNDER A CON­
STANT P R E S S U R E (EVEN WITH THE ENGINE OFF).
B E F O R E SERVICING ANY F U E L SYSTEM H O S E S ,
FITTINGS OR LINES, THE F U E L SYSTEM P R E S ­
S U R E MUST B E R E L E A S E D . R E F E R TO THE F U E L
S Y S T E M P R E S S U R E R E L E A S E P R O C E D U R E IN
THIS GROUP.
ilSCOIIECTIOI/COIIECTIOI
(1) Disconnect negative battery cable from the bat­
tery.
(2) Perform the fuel pressure release procedure.
Refer to the Fuel Pressure Release Procedure in this
section.
(3) Clean the fitting of any foreign material before
disassembly.
(4) To release the fuel system component from the
quick-connect fitting, firmly push the fitting towards
the component being serviced while firmly pushing
the plastic retainer ring into the fitting (Fig. 15).
With the plastic ring depressed, pull the fitting from