Dodge ram truck 3500 1996 Service Manual page 1294

14 - 80 FUEL SYSTEM
mm
R E M O V A L A N D I N S T A L L A T I O N (Continued)
INSTALLATION
(1) Install IAC motor to throttle body.
(2) Install and tighten two mounting bolts (screws)
to 7 N-m (60 in. lbs.) torque.
(3) Install electrical connector.
(4) Install air cleaner assembly.
IDLE AIR CONTROL (IAC) MOTOR—8.0L ENGINE
The IAC motor is located on the back of the throt­
tle body (Fig. 85).
REMOWAL
(1) Remove the air cleaner cover.
(2) Remove the 4 air cleaner housing mounting
nuts and remove housing from throttle body.
(3) Disconnect electrical connector from IAC motor.
(4) Remove two mounting bolts (screw).
Fig. 85 IAC Motor—8.0L Engine
(5) Remove IAC motor from throttle body.
INSTALLATION
(1) Install IAC motor to throttle body.
(2) Install and tighten two mounting bolts (screws)
to 7 N-m (60 in. lbs.) torque.
(3) Install electrical connector.
(4) Install air cleaner housing to throttle body.
(5) Install 4 air cleaner housing mounting nuts.
Tighten nuts to 11 N-m (96 in. lbs.) torque.
(6) Install air cleaner housing cover.
MANIFOLD ABSOLUTE PRESSURE (MAP)
SENSOR—3JL/IJL/iJL ENIINES
The MAP sensor is located on the front of the
throttle body. An L-shaped rubber fitting is used to
connect the MAP sensor to throttle body (Fig. 86).
REMOVAL
The throttle body must be removed from the intake
manifold for MAP sensor removal.
(1) Remove air cleaner assembly.
Fig. 86 MAP Sensor L-Shaped Rubber Fitting—8.9U
5.2U5.9L Engines
(2) Remove throttle body. Refer to Throttle Body
removal in this section.
(3) Remove two MAP sensor mounting bolts
(screws) (Fig. 86).
(4) While removing MAP sensor, slide the vacuum
rubber L-shaped fitting (Fig. 86) from the throttle
body.
(5) Remove rubber L-shaped fitting from MAP sen­
sor.
INSTALLATION
(1) Install rubber L-shaped fitting to MAP sensor.
(2) Position sensor to throttle body while guiding
rubber fitting over throttle body vacuum nipple.
(3) Install MAP sensor mounting bolts (screws).
Tighten screws to 3 N-m (25 in. lbs.) torque.
(4) Install throttle body. Refer to Throttle Body
installation in this section.
(5) Install air cleaner.
MANIFOLD ABSOLUTE PRESSURE (MAP)
SENSOR—8.0L ENGINE
The MAP sensor is mounted into the right upper
side of the intake manifold (Fig. 87). A rubber gasket
is used to seal the sensor to the intake manifold. The
rubber gasket is part of the sensor and is not ser­
viced separately.
REMOVAL
(1) Remove the electrical connector at the sensor.
(2) Clean the area around the sensor before
removal.
(3) Remove the two sensor mounting bolts.
(4) Remove the sensor from the intake manifold.