Chrysler DODGE D150 1993 Service Manual page 888

FUEL RAIL
W A R N I N G : T H E F U E L S Y S T E M I S U N D E R A C O N ­
S T A N T P R E S S U R E ( E V E N WITH T H E E N G I N E
T U R N E D O F F ) . B E F O R E S E R V I C I N G T H E F U E L
R A I L A S S E M B L Y , T H E F U E L S Y S T E M P R E S S U R E
M U S T B E R E L E A S E D .
To release fuel pressure, refer to the Fuel Delivery
System section of this group. See Fuel System Pres­
sure Release.
C A U T I O N : The left and right fuel rails are replaced
a s an assembly. Do not attempt to separate the rail
halves at the connecting hose(s) (Fig. 15). Due to
the design of these connecting hose(s), they d o not
use any clamps. Never attempt to install a clamping
device of any kind to the hose(s). When removing
the fuel rail assembly for any reason, be careful not
to bend or kink the connecting hose(s).
FUEL RAIL
CONNECTING
HOSES
AIR CONDITIONING
/COMPRESSOR SUPPORT BRACKET
MOUNTING BOLTS ' " J9214-49
Fig. 16 A/C Compressor Support Bracket— Typical
FUEL
RAIL
FUEL INJECTOR
HARNESS CONNECTORS
J9214-32
Fig. 15 Fuel Rail Assembly— Typical
REMOVAL
(1) Remove negative battery cable at battery.
(2) Remove air cleaner.
(3) Perform the fuel pressure release procedure.
Refer to the Fuel Delivery System section of this
group.
(4) Remove throttle body from intake manifold. Re­
fer to Throttle Body removal in this group.
(5) If equipped with air conditioning, remove the
A/C compressor-to-intake manifold support bracket
(three bolts) (Fig. 16).
(6) Disconnect electrical connectors at all fuel in­
jectors (Fig. 17). The factory fuel injection wiring
harness is numerically tagged (INJ 1, I N J 2, etc.) for
injector position identification.
(7) If equipped with a 3.9L or 5.2L engine, remove
vacuum line at fuel pressure regulator (Fig. 18).
(8) 3.9L (V-6) engine only: Disconnect electrical
connector at intake manifold charge air temperature
sensor. Do not remove sensor.
' FUEL
INJECTOR J9214-30
Fig. 17 Fuel Injector Connectors—Typical
(9) Remove EVAP canister purge solenoid/bracket
assembly (Fig. 19) from intake manifold (one nut on
3.9L, one bolt on 5.2L/5.9L).
(10) Disconnect fuel tube(s) (lines) at rear of fuel
rail. Refer to Fuel Tubes/Lines/Hoses and Clamps in
the Fuel Delivery System section of this group.
(11) Remove the remaining fuel rail mounting
bolts (Fig. 20).
(12) Gently rock and pull the left fuel rail until
the fuel injectors just start to clear the intake mani­
fold. Gently rock and pull the r i g h t fuel rail until
the fuel injectors just start to clear the intake mani­
fold. Repeat this procedure (left/right) until all fuel
injectors have cleared the intake manifold.
(13) Remove fuel rail (with injectors attached)
from engine.