Its not a easy procedure to replace thermostat.
If you have a faulty thermostat, your engine will either overheat or not get hot enough.
The thermostat is located on the lower left side of the engine closer to the front of the engine.
To replace thermostat you will need to put it on a hoist and probably remove the engine mount and/or alternator to get to the thermostat housing.That's the only access to replace thermostat.
See the diagram shown below for thermostat location :----
This details will help.
Thanks.
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