2002 JEEP GRAND CHEROKEE set 1 2

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INSTALLATION
INSTALLATION - RECIRCULATION DOOR
VACUUM ACTUATOR
(1) Install the recirculation door vacuum actuator
on the HVAC housing and tighten the mounting
screws to 2.2 N´m (20 in. lbs.).
(2) Eng

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual HVAC HOUSING
REMOVAL
The HVAC housing assembly must be removed
from the vehicle and the two halves of the housing
separated for service access of the heater core, evap-
orator coil, blend door(s), and

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (5) Raise the front of the door sub-assembly while
releasing the 2 tabs holding the rear to the main
housing, and remove the recirculation door housing.
(6) Remove the electric/vacuum actuator from th

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CAUTION
CAUTION
CAUTION: Liquid refrigerant is corrosive to metal
surfaces. Follow the operating instructions supplied
with the service equipment being used.
Never add R-12 to a refrigerant system des

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ready. The refrigerant system should not be left open
to the atmosphere any longer than necessary. Cap or
plug all lines and fittings as soon as they are opened
to prevent the entrance of dirt and moi

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual equipment manufacturer for proper care and use of
this equipment.
A manifold gauge set may be needed with some
recovery/recycling/charging equipment (Fig. 1). The
service hoses on the gauge set being

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (a) If the refrigerant system fails to reach the
specified vacuum, the system has a leak that must
be corrected. (Refer to 24 - HEATING & AIR CON-
DITIONING/PLUMBING - DIAGNOSIS AND
TESTING - REFRIGER

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (10) Allow three to five minutes for the refrigerant
system to stabilize, then take a second set of thermo-
couple measurements. Record the temperature differ-
ence to determine if an additional charg