1995 JEEP CHEROKEE Service Repair Manual

wheelbase remove seats service interval reset trunk brake fluid tire pressure reset

Page 1929 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (11) Connect the heater hoses.
(12) Fill cooling system.
FRESH AIR DOOR VACUUM MOTOR
REMOVAL
(1) Remove glove box and assist handle.
(2) Disconnect vacuum hose from the motor.
(3) Remove motor lever r

(11) Connect the heater hoses.
(12) Fill cooling system.
FRESH AIR DOOR VACUUM MOTOR
REMOVAL
(1) Remove glove box and assist handle.
(2) Disconnect vacuum hose from the motor.
(3) Remove motor lever retaining clip.
(4) Remove motor attaching nuts and remove the
motor from the fresh air duct.
INSTALLATION
(1) Position motor on fresh air duct and install the
motor attaching nuts.
(2) Align motor lever with the air door lever and
install the lever retaining clip.
(3) Connect vacuum hose to the motor.
(4) Install glove box and assist handle.
FRESH AIR INTAKE DUCT
REVIEW WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PERFORMING THIS
OPERATION.
REMOVAL
(1) Drain coolant from the radiator.
(2) Disconnect heater hoses.
(3) Remove nuts attaching the heater housing
studs to the dash panel from inside the engine com-
partment.
(4) Disconnect speedometer cable.
(5) Remove glove box and assist handle.
(6) Tilt heater housing back and pull it rearward
and out from under the instrument panel.
(7) Disconnect vent cables.
(8) Remove windshield bracket bolts and lower
windshield.
(9) Remove fresh air intake grille from the cowl.
(10) Remove fresh air intake duct.
INSTALLATION
(1) Install fresh air intake duct.
(2) Install defroster nozzle and duct.
(3) Raise and secure the windshield.
(4) Install fresh air grille on the cowl.
(5) Install vent cables.
(6) Position heater housing on the dash panel. Be
sure all the housing studs extend through the dash
panel.
(7) Install seals on the blower motor and heater
core inlet and outlet tubes.
(8) Install nuts on the heater housing studs.
CAUTION: DO NOT over tighten the attaching nuts.
The housing could become distorted causing air
leaks and improper heater door operation. Tightenthe nuts alternately and evenly until 2 stud threads
are visible beyond each nut.
(9) Install glove box and assist handle.
(10) Connect speedometer cable.
(11) Connect heater hoses.
(12) Fill cooling system.
TEMPERATURE CONTROL THERMOSTAT
REMOVAL
(1) Remove mounting bolts and lower the evapora-
tor housing.
(2) Remove the attaching screws holding the top
and bottom housings together.
(3) Separate the housings.
(4) Remove the thermostat.
INSTALLATION
(1) Install temperature control thermostat. Insert
thermostat capillary tube into the evaporator coil a
minimum of 50 mm (2 inch).
CAUTION: Handle the tube with care to avoid bends
or kinks that could cause the thermostat to mal-
function.
(2) Assemble the housing and install the attaching
screws. DO NOT over tighten the attaching screws.
(3) Install the evaporator housing.
A/C CONDENSER
REVIEW WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PERFORMING THIS
OPERATION.
REMOVAL
(1) Recover refrigerant from A/C system.
(2) Drain the radiator.
(3) Remove fan shroud and radiator.
(4) Disconnect A/C line from the condenser.
(5) Remove condenser attaching screws and tilt the
bottom of the condenser toward the engine.Plug all
the condenser openings to prevent entry of dirt
or moisture.
(6) Working from under the vehicle, disconnect the
receiver-drier to-evaporator hose fitting from the re-
ceiver-drier.
(7) Remove condenser and receiver-drier as an as-
sembly.
(8) Remove receiver-drier from the condenser, if
necessary.
INSTALLATION
Add 30 ml (1 fluid oz.) of refrigerant oil to the A/C
system if the condenser is replaced.
(1) Attach receiver-drier to the condenser.
(2) Install condenser and connect A/C line to the
receiver-drier.
24 - 34 HEATING AND AIR CONDITIONINGJ

Page 1930 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (3) Install condenser attaching screws.
(4) Connect condenser A/C line.
(5) Install radiator and fan shroud.
(6) Fill coolant system (Refer to cooling for proper
procedure).
(7) Evacuate, charge and l

(3) Install condenser attaching screws.
(4) Connect condenser A/C line.
(5) Install radiator and fan shroud.
(6) Fill coolant system (Refer to cooling for proper
procedure).
(7) Evacuate, charge and leak test the air condi-
tioning system.
RECEIVER-DRIER REPLACEMENT
REVIEW ALL WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PERFORMING THIS
OPERATION.
REMOVAL
(1) Recover refrigerant from A/C system.
(2) Disconnect A/C lines from the receiver-drier.
(3) Remove receiver-drier attaching screws and re-
move receiver-drier.
INSTALLATION
(1) Position receiver-drier in place and install re-
ceiver-drier attaching screws.
(2) Connect A/C lines to receiver-drier.
(3) Evacuate, charge and leak test the air condi-
tioning system.
EVAPORATOR AND HOUSING
REVIEW ALL WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PERFORMING THIS
OPERATION.
REMOVAL
(1) Recover refrigerant from A/C system.
(2) Disconnect A/C lines.
(3) Remove hose clamps and dash grommet retain-
ing screws.
(4) Remove the evaporator housing-to-instrument
panel attaching screws and the housing mounting
bracket screw (Fig. 3).
(5) Lower the evaporator housing and pull the
hoses and hose grommet through the dash opening.(6) Remove upper housing and remove evaporator.
The evaporator core, control switches, expansion
valve, blower motor and housing can be serviced af-
ter removing evaporator housing (Fig. 4).
INSTALLATION
Add 30 ml (1 fluid oz.) of refrigerant oil to the A/C
system if the evaporator is replaced.
(1) Install evaporator into housing and install up-
per housing.
(2) Push A/C hoses through the grommet openings
and install the hose grommet by pushing it toward
the engine compartment.
(3) Install hose grommet attaching screws.
(4) Raise evaporator housing and install the evap-
orator housing-to- instrument panel attaching
screws.
(5) Install A/C lines.
(6) Evacuate, charge and leak test the system.
EXPANSION VALVE
REVIEW WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PERFORMING THIS
OPERATION.
REMOVAL
(1) Recover refrigerant from A/C system.
(2) Remove evaporator housing
(3) Remove the insulation wrapped around the suc-
tion hose fitting, expansion valve and evaporator tub-
ing.
(4) Mark the capillary tube location on the evapo-
rator tubing.
(5) Disconnect inlet and outlet hose fittings, and
remove the capillary tube clamp.
(6) Disconnect and remove the expansion valve.
INSTALLATION
(1) Clean evaporator tubing to provide a positive
contact with the expansion valve capillary tube.
(2) Install expansion valve.
(3) Clamp the capillary tube at the marked loca-
tion on the evaporator tubing.
(4) Connect inlet and outlet hose fittings.The
capillary tube must be securely clamped and
have positive metal-to-metal contact with the
evaporator tubing.
(5) Wrap expansion valve, inlet hose fitting and
capillary tube with insulation.
(6) Install evaporator housing.
(7) Evacuate, charge and leak test the system.
A/C BLOWER MOTOR
It is not necessary to discharge the system to ser-
vice the blower motor. The evaporator housing need
only be lowered for access to the blower motor at-
taching screws.Fig. 3 Evaporator Housing
JHEATING AND AIR CONDITIONING 24 - 35

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JEEP CHEROKEE 1995 Service Repair Manual Fig. 4 Evaporative Housing and Components
24 - 36 HEATING AND AIR CONDITIONINGJ

Page 1932 of 2198

JEEP CHEROKEE 1995 Service Repair Manual TORQUE SPECIFICATIONS
AIR CONDITIONING
DESCRIPTION ................................................TORQUE
Compressor
Mounting Bolts ............................27 Nzm (20 ft. lbs.)
Bracket Bolts .....

Page 1933 of 2198

JEEP CHEROKEE 1995 Service Repair Manual

Page 1934 of 2198

JEEP CHEROKEE 1995 Service Repair Manual EMISSION CONTROL SYSTEMS
CONTENTS
page page
COMPONENT REMOVAL/INSTALLATION....... 7
EMISSION CONTROLS.................... 4GENERAL INFORMATION.................. 1
GENERAL INFORMATION
INDEX
page page
C

EMISSION CONTROL SYSTEMS
CONTENTS
page page
COMPONENT REMOVAL/INSTALLATION....... 7
EMISSION CONTROLS.................... 4GENERAL INFORMATION.................. 1
GENERAL INFORMATION
INDEX
page page
Catalytic Convertor......................... 1
DRB Scan Tool............................ 2
Exhaust Gas Recirculation (EGR) System........ 1Service Reminder Indicator (SRI) Lamp.......... 1
Vacuum Hose Routing Schematics............. 2
Vehicle Emission Control Information (VECI) Label . 1
Throughout this group, references are made to par-
ticular vehicle models by alphabetical designation
(XJ or YJ) or by the particular vehicle nameplate. A
chart showing a breakdown of alphabetical designa-
tions is included in the Introduction section at the
beginning of this manual.
Information on the air cleaner housing and the air
cleaner element can be found in Group 14, Fuel Sys-
tems.
CATALYTIC CONVERTOR
Refer to Group 11, Exhaust System and Intake
Manifold for information.
EXHAUST GAS RECIRCULATION (EGR) SYSTEM
An EGR system is not used with the 2.5L 4 cylin-
der or the 4.0L 6 cylinder engine on any XJ or YJ
model.
SERVICE REMINDER INDICATOR (SRI) LAMP
The instrument panel mounted SRI lamp was for-
merly referred to as the emission maintenance re-
minder (EMR) lamp. It isnot usedon any XJ or YJ
model for the 1995 model year.
VEHICLE EMISSION CONTROL INFORMATION
(VECI) LABEL
All vehicles are equipped with a combined VECI la-
bel. The label is located in the engine compartment
(Figs. 1 or 2). The label contains the following:
²Engine family and displacement
²Evaporative family
²Emission control system schematic²Certification application
²Engine timing specifications (if adjustable)
²Idle speeds (if adjustable)
²Spark plug and plug gap
The label also contains an engine vacuum sche-
matic. There are unique labels for vehicles built for
sale in the state of California and the country of
Canada. Canadian labels are written in both the En-
glish and French languages. These labels are perma-
nently attached and cannot be removed without
defacing information and destroying label.
The VECI label illustration (Fig. 3) is used as
an example only.Refer to the VECI label located in
the engine compartment (Figs. 1 or 2) for actual
emission information.
Fig. 1 VECI Label LocationÐXJ Models
JEMISSION CONTROL SYSTEMS 25 - 1

Page 1935 of 2198

JEEP CHEROKEE 1995 Service Repair Manual VACUUM HOSE ROUTING SCHEMATICS
The vacuum hose routing schematics are used
as examples only.If there are any differences be-
tween these schematics and the Vehicle Emission
Control Information (VECI)

Page 1936 of 2198

JEEP CHEROKEE 1995 Service Repair Manual VACUUM ROUTING SCHEMATICÐ2.5L 4 CYLINDER ENGINE
VACUUM ROUTING SCHEMATICÐ4.0L 6 CYLINDER ENGINE
JEMISSION CONTROL SYSTEMS 25 - 3

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