Dodge ram truck 3500 1996 Service Manual page 1291

— _ — — ~ — FUEL SYSTEM 1 4 - 5 7
R E M O V A L A N D I N S T A L L A T I O N
AUTOMATIC SHUTDOWN (ASP) RELAY
The ASD relay is located in the Power Distribution
Center (PDC) (Fig. 76). Refer to label on PDC cover
for relay location. Check terminal connections at
PDC and relay for damage/corrosion before installa­
tion. Repair as necessary.
Fig. 76 Power Distribution Center (PDC)
FUEL P U i P BELAY
The fuel pump relay Is located in the Power Distri­
bution Center (PDC) (Fig. 76). Refer to label on PDC
cover for relay location. Check terminal connections
at relay and PDC for damage/corrosion before instal­
lation. Repair as necessary.
THROTTLE BODY—3.9L/5.2L/5.9L ENGINES
A (factory adjusted) set screw is used to mechani­
cally limit the position of the throttle body throttle
plate. Never attempt to adjust the engine idle
speed using this screw. All idle speed functions are
controlled by the powertrain control module (PCM).
REMOVAL
(1) Remove the air cleaner.
(2) Disconnect throttle body electrical connectors
at MAP sensor, IAC motor and TPS (Fig. 77).
(3) Remove vacuum line at throttle body.
(4) Remove all control cables from throttle body
(lever) arm. Refer to the Accelerator Pedal and Throt­
tle Cable section of this group for additional informa­
tion.
(5) Remove four throttle body mounting bolts (Fig.
78).
(6) Remove throttle body from intake manifold.
(7) Discard old throttle body-to-intake manifold
gasket.
Fig. 77 Sensor Eiectricai Connectors—3.9U5.2U5.9L
ENGINES—Typical
THROTTLE BODY
Fig. 78 Throttle Body Mounting Bolts—3.9U5.2U
6.91 ENGINES—Typical
INSTALLATION
(1) Clean the mating surfaces of the throttle body
and the intake manifold.
(2) Install new throttle body-to-intake manifold
gasket.
(3) Install throttle body to intake manifold.
(4) Install four mounting bolts. Tighten bolts to 23
N-m (200 in. lbs.) torque.