Durango 2WD V8-5.2L VIN Y (1999)
a. Remove generator drive belt as follows: Drive belts on both 3.9L and 5.2L/5.9L engines are equipped with a spring loaded automatic belt
tensioner.
b. Attach a socket/wrench to pulley mounting bolt of automatic tensioner.
c. Rotate tensioner assembly clockwise (as viewed from front) until tension has been relieved from belt.
d. Remove belt from vehicle.
e. Remove two generator mounting bolts. Do not remove any wiring at generator. If equipped with 4WD, unplug 4WD indicator lamp wiring
harness (located near rear of generator).
f.
Remove generator. Position generator to gain access for thermostat gasket removal.
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). SNAP-ON CLAMP TOOL (NUMBER HPC-20) MAY BE USED FOR LARGER CLAMPS. ALWAYS
WEAR SAFETY GLASSES WHEN SERVICING CONSTANT TENSION CLAMPS.
CAUTION: A number or letter is stamped into the tongue of constant tension clamps. 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. Discard old gasket.
INSTALLATION
1. Clean mating areas of intake manifold and thermostat housing.
2. Install thermostat (spring side down) into recessed machined groove on intake manifold.
3. Install gasket on intake manifold and over thermostat.
