1995 JEEP CHEROKEE Service Repair Manual

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Page 1913 of 2198

JEEP CHEROKEE 1995 Service Repair Manual HEATING SYSTEM DIAGNOSIS
24 - 18 HEATING AND AIR CONDITIONINGJ

Page 1914 of 2198

JEEP CHEROKEE 1995 Service Repair Manual COMPRESSOR SERVICE
DESCRIPTION
The A/C system uses a Sanden SD7H15 compres-
sor. The compressor is a 7 piston design.
The clutch used on the compressor consists of 3 ba-
sic components: the pulley and

COMPRESSOR SERVICE
DESCRIPTION
The A/C system uses a Sanden SD7H15 compres-
sor. The compressor is a 7 piston design.
The clutch used on the compressor consists of 3 ba-
sic components: the pulley and bearing hub, clutch
plate and field coil (Fig. 1). The pulley and field coil
are attached to the front of the compressor with ta-
pered snap rings. The compressor has a splined shaft
and the clutch plate is retained on the shaft with a
self-locking nut.
COMPRESSOR
REVIEW WARNINGS AND CAUTIONS IN
THIS GROUP BEFORE PROCEEDING WITH
THIS PROCEDURE.
REMOVAL
(1) Recover refrigerant from A/C system.
(2) Disconnect negative cable from battery.
(3) Disconnect the clutch lead wire.
(4) Remove the discharge and suction lines from
the compressor. Plug or tape all the openings.
(5) Remove the serpentine drive belt (refer to
Group 7, Cooling System for the proper procedure).
(6) Remove the bolts and lift the compressor from
the mounting bracket (Figs. 2 and 3).
INSTALLATION
If a replacement compressor is being in-
stalled; check the oil level. Add or subtract oil
as necessary and install the magnetic clutch on
the compressor.
(1) If the mounting bracket was removed, install
the bracket to the block. Tighten the mounting bolts
to 27 Nzm (20 ft. lbs.) torque.
(2) Install the compressor on the mounting
bracket. Tighten the bolts to 27 Nzm (20 ft. lbs.)
torque.(3) Install the serpentine drive belt (refer to Group
7, Cooling System for the proper procedure).
(4) Tighten the serpentine drive belt to the speci-
fied tension.
²New belt tensionÐ800-900 N (180-200 lb-f).
²Used belt tensionÐ623-712 N (140-160 lb-f).
(5) Remove the tape or plastic plugs from all the
suction and discharge openings and install lines on
the compressor.
(6) Connect the clutch lead wire.
(7) Connect negative cable to battery.
(8) Evacuate, charge and test the system for leaks.
Fig. 1 Compressor Clutch
Fig. 2 Compressor and Mounting Bracket (LH Drive
Vehicles)
Fig. 3 Compressor and Mounting Bracket (RH Drive
Vehicles)
JHEATING AND AIR CONDITIONING 24 - 19

Page 1915 of 2198

JEEP CHEROKEE 1995 Service Repair Manual COMPRESSOR CLUTCH ASSEMBLY
The compressor clutch can be serviced in the vehi-
cle.
REMOVAL
(1) Remove the serpentine drive belt (refer to
Group 7, Cooling System for the proper procedure).
(2) Remove

Page 1916 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (9) Remove the screw and retainer from coil lead
wire on compressor front housing (Fig. 9).
(10) Remove snap ring from compressor hub and
remove field coil (Fig. 10).INSTALLATION
(1) Install field coi

Page 1917 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (8) Check air gap with feeler gauge (Fig. 13). If the
air gap does not meet the specification add or sub-
tract shims as required. The specification is 0.41-0.79
mm (0.016-0.031 inch). If air gap is n

Page 1918 of 2198

JEEP CHEROKEE 1995 Service Repair Manual COMPONENT SERVICEÐXJ VEHICLES
INDEX
page page
A/C Recirculating Door Vacuum Motor
Replacement........................... 27
Blower Motor Resistors Replacement.......... 31
Blower Motor/Fan Replacemen

Page 1919 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (5) Remove the A/C-heater control panel screws
(Fig. 4).
(6) Remove the electrical connectors (Fig. 5).
(7) Disconnect the vacuum hoses by releasing the
locking tabs (Fig. 6).
(8) Remove the control c

Page 1920 of 2198

JEEP CHEROKEE 1995 Service Repair Manual (4) Remove the blower motor fan from the motor
shaft for access to the motor attaching nuts (Fig. 11).
To install the blower fan and motor, reverse the re-
moval procedures.
4.0L ENGINE
(1) Remove the

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