Dodge 2000 DURANGO Service Manual page 235

DN
REMOVAL AND INSTALLATION (Continued)
with 4WD, unplug 4WD indicator lamp wiring har-
ness (located near rear of generator).
(f) Remove generator. Position generator to gain
access for thermostat gasket removal.
Fig. 45 Automatic Belt Tensioner—5.2L/5.9L Engines
1 – IDLER PULLEY
2 – TENSIONER
3 – FAN BLADE
WARNING: CONSTANT TENSION HOSE CLAMPS
ARE USED ON MOST COOLING SYSTEM HOSES.
WHEN REMOVING OR INSTALLING, USE ONLY
TOOLS DESIGNED FOR SERVICING THIS TYPE OF
CLAMP, SUCH AS SPECIAL CLAMP TOOL (NUMBER
6094) (Fig. 38). SNAP-ON CLAMP TOOL (NUMBER
HPC-20) MAY BE USED FOR LARGER CLAMPS.
ALWAYS WEAR SAFETY GLASSES WHEN SERVIC-
ING CONSTANT TENSION CLAMPS.
CAUTION: A number or letter is stamped into the
tongue of constant tension clamps (Fig. 39). If
replacement is necessary, use only an original
equipment clamp with matching number or letter.
(5) Remove upper radiator hose clamp and upper
radiator hose at thermostat housing.
(6) Position wiring harness (behind thermostat
housing) to gain access to thermostat housing.
(7) Remove thermostat housing mounting bolts,
thermostat housing, gasket and thermostat (Fig. 46).
Discard old gasket.
Fig. 46 Thermostat—5.2L/5.9L Engines
1 – THERMOSTAT HOUSING
2 – GASKET
3 – INTAKE MANIFOLD
4 – THERMOSTAT
5 – MACHINED GROOVE
INSTALLATION
(1) Clean mating areas of intake manifold and
thermostat housing.
(2) Install thermostat (spring side down) into
recessed machined groove on intake manifold (Fig.
46).
(3) Install gasket on intake manifold and over
thermostat (Fig. 46).
(4) Position thermostat housing to intake manifold.
Note the word FRONT stamped on housing (Fig. 47).
For adequate clearance, this must be placed towards
front of vehicle. The housing is slightly angled for-
ward after installation to intake manifold.
(5) Install two housing-to-intake manifold bolts.
Tighten bolts to 23 N·m (200 in. lbs.) torque.
(6) Install upper radiator hose to thermostat hous-
ing.
(7) Air Conditioned vehicles:
CAUTION: When installing the serpentine acces-
sory drive belt, the belt must be routed correctly. If
not, engine may overheat due to water pump rotat-
ing in wrong direction. Refer to (Fig. 48) for correct
engine belt routing. The correct belt with correct
length must be used.
(a) Install generator. Tighten bolts to 41 N·m (30
ft. lbs.).
COOLING SYSTEM 7 - 33