Chrysler DODGE D150 1993 Service Manual page 1494

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EMISSION CONTROL SYSTEMS 25 - 17
C O M P O N E N T R E M O V A L / I N S T A L L A T I O N
INDEI
page
Air Filter/Filter Housing—Diesel Engines 17
Air Filter/Filter Housing—Gas Engines 17
Air Injection Pump 17
Air Injection Pump Relief Valve 18
Check Valve—Air Injection Tube 18
Coolant Temperature Sensor . 18
E G R T u b e — G a s Powered Engines 19
E G R Valve 19
AIR FILTER/FILTER HOUSING-GAS ENGINES
REMOVAL/INSTALLATION
Remove crankcase breather/filter hose at side of air
filter housing. Remove wingnut (Fig. 1) and remove
housing from engine. Check condition of gasket at
throttle body and replace as necessary.
To replace air filter element only: Remove wingnut
and air filter housing cover (Fig. 1). Clean inside of
housing before replacing filter. Housing removal is
not necessary for filter replacement.
^ WING NUT
COVER :
GASKET |
I MOUNTING
STUD
Fig. 1 Air Filter Housing—Gas Powered
Engines—Typical
page
Electric E G R Transducer (EET) 2 0
E V A P Canister 2 0
E V A P Canister Purge Solenoid 2 0
Fuel Tank Filler Tube C a p . 21
Oxygen ( 0
2
) Sensor 21
Powertrain Control Module ( P C M ) 21
Pressure Relief/Rollover Valve 21
If housing-to-throttle body mounting stud is being
installed, tighten to 10 N»m (90 in. lbs.) torque. In­
stall housing to engine and tighten wingnut to 1.5
N»m (15 in. lbs.) torque.
AIR FILTER/FILTER HOUSING-DIESEL ENGINES
REMO VAL/INSTALLA TION
Remove the hose clamp at air filter housing (Fig.
2). Remove mounting nuts and remove air filter
housing from vehicle.
To replace air filter element only: Remove hose clamp
and hose at air filter housing inlet tube. Remove three
wingnuts and air filter housing cover (Figs. 2 and 3).
Clean inside of housing before replacing filter. Housing
removal is not necessary for filter replacement.
When installing a new air filter element, push el­
ement into cover. Be sure it is pushed into tabs in
back of filter housing. Install wing nuts.
If housing had been removed, install mounting
nuts and tighten to 10 N»m (95 in. lbs.) torque.
AIR INJECTION PUMP
REMOVAL
(1) Remove the relief valve hose clamp (Fig. 4) and
remove hose at relief valve.
(2) Remove relief valve from air pump (two bolts)
(Fig. 4).
(3) Loosen (but do not remove at this time) the
three air pump pulley mounting bolts (number
2—figure 4).
(4) Relax the automatic belt tensioner and remove
the engine accessory drive belt. Refer to Group 7,
Cooling System. See Belt Removal/Installation.
(5) Remove the three air pump pulley bolts and re­
move pulley from pump.
(6) Remove the two air pump mounting bolts
(number 1—figure 4) and remove pump from mount­
ing bracket.