Dodge ram truck 3500 1996 Service Manual page 1314

14 - 80 FUEL SYSTEM
B R
D I A G N O S I S A N D TESTING (Continued)
Fig. 25 Fuel Line Fittings
(2) Remove the rear banjo fitting bolt at the inlet
line (Fig. 25).
(3) Position the fuel drain manifold line (Fig. 25)
to the rear.
(4) Install and tighten special adapter tool 6829
into the top of the fuel inlet line (Fig. 26).
(5) Install a 0-60 or 0-100 psi fuel pressure gauge
to adapter tool 6829 (Fig. 26).
(6) Start engine and record fuel pressure. Mini­
mum pressure should be 172 kPa (25 psi). I f not,
refer to Fuel Transfer Pump Pressure Test for more
information
(7) Remove fuel pressure gauge and adapter tool.
(8) Connect banjo fittings together at fuel inlet line
with bolt.
(9) Remove the front banjo fitting bolt at the outlet
line (Fig. 25).
(10) Install and tighten special adapter tool 6829
into the top of the fuel outlet line (Fig. 27).
(11) Install fuel pressure gauge to adapter tool
6829 (Fig. 27).
(12) Start engine and record fuel pressure.
(13) Compare the 2 pressures. I t must not exceed
35 kPa (5 psi).
(14) I f pressure specification has been exceeded,
replace fuel filter and check for line restrictions.
Fig. 26 Installing Special Tools
Fig. 27 Installing Special Tools
(15) I f the instrument panel mounted water-in-fuel
warning lamp is illuminated with the ignition key
ON, it indicates that excess water has collected in
the fuel filter/water separator. Excess water can be
drained. Refer to Fuel Filter/Water Separator in the
Component Removal/Installation section of this group
for water draining procedures.
(16) I f excess water gathers in the filter/separator
in a short period of time, the fuel tank must be
removed, drained and cleaned.