Dakota 4WD V8-5.2L VIN Y (1998)
Thermostat: Service and Repair
REMOVAL
WARNING: Do not loosen radiator draincock with system hot and pressurized. serious burns from coolant can occur.
Do not waste reusable coolant. If solution is clean, drain coolant into a clean container for reuse.
If thermostat is being replaced, be sure that replacement is specified thermostat for vehicle model and engine type.
Factory installed thermostat housings on 3.9L/ 5.2L/5.9L engines are installed on a gasket with an anti-stick coating. This will aid in gasket removal
and clean-up.
1. Disconnect negative battery cable at battery.
2. Drain cooling system until coolant level is below thermostat.
3. Air Conditioned vehicles: Remove support bracket (generator mounting bracket-to-intake manifold) located near rear of generator.
4) On air conditioning equipped vehicles, the generator must be partially removed.
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.
