
Illustration 1 g01018412
3024 engine
Illustration 2 g01018146
3044 engine
3. Loosen the hose clamp (1) and remove the hose from the thermostat housing assembly (2) .
4. Remove the two bolts (3) from the thermostat housing assembly. Remove the thermostat housing
assembly.
5. Remove the seal and the thermostat from the thermostat housing assembly.
6. Install a new thermostat and a new seal. Install the thermostat housing assembly on the engine
cylinder head.
7. Install the hose. Tighten the hose clamp.
8. Refill the cooling system. See Operation and Maintenance Manual, "Capacities - (Refill)". Refer to
Special Publication, SEBU6250, "Caterpillar Machine Fluid Recommendations" for coolant information.
9. Close the engine access door.
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