THERMOSTAT—3.2/3.5L
REMOVAL
WARNING: DO NOT REMOVE PRESSURE CAP
WITH THE SYSTEM HOT AND UNDER PRESSURE
BECAUSE SERIOUS BURNS FROM COOLANT CAN
OCCUR.
(1) Disconnect negative cable from remote jumper
terminal.
(2) Drain cooling system.
(3) Raise vehicle on hoist.
(4) Disconnect electrical connectors from engine oil
and power steering pressure switches.
(5) Disconnect radiator and heater hoses from
thermostat housing.
(6) Remove thermostat housing bolts (Fig. 31).
(7) Remove housing, thermostat, and gasket.
INSTALLATION
(1) Clean gasket sealing surfaces.
(2) Install thermostat and gasket into thermostat
housing. For ease of installation, install bolts in
housing for thermostat and gasket retention.
(3) Install thermostat and housing to cylinder
block. Tighten bolts to 12 N·m (105 in. lbs.).
(4) Connect heater and radiator hoses. Install hose
clamps.
(5) Connect electrical connectors to engine oil and
power steering pressure switches.
(6) Lower vehicle and connect negative cable to
remote jumper terminal.
(7) Refill cooling system. Refer to Cooling System
Refilling in this section.
RADIATOR
REMOVAL
NOTE: It is not necessary to discharge air condi-
tioning system when removing the radiator.
(1) Disconnect negative cable from remote jumper
terminal.
WARNING: DO NOT REMOVE THE CYLINDER
BLOCK PLUG OR THE RADIATOR DRAINCOCK
WITH THE SYSTEM HOT AND UNDER PRESSURE
BECAUSE SERIOUS BURNS FROM COOLANT CAN
OCCUR.
(2) Drain cooling system. Refer to Cooling System
Draining in this section.
(3) Remove upper radiator crossmember.
(4) Remove hose clamps and hoses from radiator.
(5) Disconnect transmission hoses from cooler and
plug off (Fig. 32).
(6) Disconnect engine oil cooler lines (if equipped)
(Fig. 32).
(7) Disconnect the fan electrical connector (Fig.
33).
(8) Remove fan module (Fig. 33).
CAUTION: Avoid bending the condenser inlet tube.
Care should be taken not to damage radiator or
condenser cooling fins or water tubes during
removal.
Fig. 31 Thermostat and Housing—3.2/3.5L Engine
1 – THERMOSTAT HOUSING/COOLANT INLET
2 – THERMOSTAT
3 – GASKET
Fig. 32 Radiator—Removal and Installation
1 – ENGINE OIL COOLER FITTINGS (IF EQUIPPED)
2 – DRAINCOCK
3 – LOWER MOUNTING ISOLATORS
4 – TRANSMISSION COOLER LINE NIPPLES
7 - 26 COOLING SYSTEM LH
REMOVAL AND INSTALLATION (Continued)