Four-cylinder models
Removing
1. Drain the coolant.
2. Disconnect the hose from the thermostat housing cover.
3. Unscrew the bolts and remove the cover. Please note that the thermostat is built into the lid.
4. Thoroughly clean the thermostat housing. And prepare a new thermostat cover o-ring.
Installation
Installation is carried out in the reverse order of removal.
Six-cylinder models
Removing
1. Drain the coolant.
2. Disconnect the hose from the thermostat housing cover.
3. Remove the bolt securing the coolant pipe to the cylinder head.
4. Pull the coolant pipe.
5. Disconnect the coolant pipe from the thermostat housing.
6. Remove the top half of the intake manifold.
7. Loosen the screws and remove the cover. Please note that the thermostat is built into the lid.
Installation
1. Install the sealing ring.
2. Further installation is carried out in the reverse order of removal.
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