Engine Coolant Thermostat Replacement LD8

Tools Required

J 38185 Hose Clamp Pliers

1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
2. Drain the cooling system. Refer to Cooling System Draining and Filling .
3. Using the J 38185 , reposition the radiator outlet hose clamp at the thermostat housing.
4. Remove the radiator outlet hose from the thermostat housing.



5. Remove the thermostat housing bolts.



6. Remove the thermostat housing, thermostat, and gasket from the water pump housing.
7. Discard the old thermostat housing gasket.

1. Install a NEW thermostat housing gasket into the water pump housing.
2. Install the thermostat into the water pump housing.
3. Install the thermostat housing.

Notice: Refer to Fastener Notice in the Preface section.




4. Install the thermostat housing bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




5. Install the radiator outlet hose to the thermostat housing.
6. Using the J 38185 , position the radiator outlet hose clamp at the thermostat housing.
7. Fill the cooling system. Refer to Cooling System Draining and Filling .
8. Install the air cleaner. Refer to Air Cleaner Assembly Replacement .

Engine Coolant Thermostat Replacement L26

Tools Required

J 38185 Hose Clamp Pliers

1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
2. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
3. Using J 38185 reposition the hose clamp at the thermostat housing.
4. Remove the radiator inlet hose from the thermostat housing.



5. Remove the thermostat housing bolts and housing.



6. Remove the thermostat.
7. Inspect and clean the thermostat housing mating surfaces.

1. Install the thermostat.

Notice: Refer to Fastener Notice in the Preface section.




2. Install the thermostat housing and bolts.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).




3. Install the radiator inlet hose to the thermostat housing.
4. Using J 38185 position the hose clamp at the thermostat housing.
5. Fill the cooling system. Refer to Cooling System Draining and Filling .
6. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .