Dodge RAM TRUCK 1500 1995 Service Manual page 1717

B R - — — — EMISSION CONTROL SYSTEMS 25 -19
MOUNTING
STRAP
BOLT
AIR INJECTION PUMP
AIR FILTER
RUBIER
CAP
SILENCER
TUBE
AIR INJECTION
PUMP
INLET
AIR FITTING
J9425-19
Fig. 2 Air injection Pump Air Filter—8.0L V-10
Engine
(2) Remove the air inlet tube at the housing (Fig.
2).
(3) Remove the rubber cap (Fig. 2).
(4) Remove the mounting bracket strap bolt.
(5) Note the position of the tube fittings before re­
moving filter assembly from bracket. Gently bend the
strap and remove filter assembly.
INSTALLATION
(1) Install the filter assembly to the mounting
bracket.
(2) Install and tighten strap bolt.
(3) Install rubber tubes and cap at filter.
ONE-WAY
CHECI W A L W E
REMOVAL
(1) Remove the hose clamp at inlet side of valve.
(2) Remove hose from valve.
(3) Remove valve from catalyst tube (unscrew). To
prevent damage to catalyst tube, a backup
wrench must be used on the tube.
INSTALLATION
(1) Install valve to catalyst tube. Tighten to 33
N-m (25 ft. lbs.) torque.
(2) Install hose and hose clamp to valve.
ENGINE COOLANT TEMPERATURE SENSOR
For description, operation, diagnosis and removal/
installation procedures, refer to Group 14, Fuel Sys­
tems.
EGR VALVE—3.IL/UL/1.9L ENGINES
REMOVAL
The EGR valve, valve control and hoses are ser­
viced as one unit.
(1) Disconnect vacuum hoses at EGR valve and
EGR valve control. Note position of hoses for easier
installation.
(2) Remove two EGR valve mounting bolts (Fig. 3).
(3) Remove EGR valve and gasket. Discard old
ELECTRICAL SOLENOID
PORTION OF CONTROL VALVE
ELECTRICAL
CONNECTOR
EGR VALVE \ CONNECTING
CONTROL HOSES
ASSEMBLY TRANSDUCER
PORTION
OF VALVE
CONTROL
FUEL INJECTOR
( # 8 CYLINDER)
J9525-5
Fig. 3 EGR Valve and Mounting Bolts—3.9U5.2U
5.9L Engines
gasket. Clean intake manifold mating surface and
check for cracks.
INSTALLATION
(1) Place new EGR gasket on intake manifold.
(2) Install EGR valve. Tighten mounting bolts to
23 N-m (200 in. lbs.) torque.
(3) Connect vacuum hoses.
EGR VALVE—8.0L ENGINE
REMOVAL
The EGR valve, valve control and hoses are ser­
viced as one unit.
(1) Remove upper half of intake manifold. Refer to
Group 11, Exhaust System and Intake Manifold for
procedures.