I cannot find the thermostat on my engine?

2000 DODGE DURANGO

17,800 MILES • V8 • 4WD • AUTOMATIC

SMOKE61

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I cannot find the thermostat on my engine, it is not where I thoought it should be. My truck is losing anti-freeze, and over heats even when there is sufficient coolant. Can you help? Thank you, Doug

May 5, 2010 at 11:21 AM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.

SQM

AUTOMOTIVE REPAIR CONTRIBUTOR
6,383 POSTS

Hello,

The thermostat for the 4.7 engine is easy to get to. It is located on the lower part of the block. It is at the left side of the crank pulley (see picture).
On the 5.9 engine you will have to remove the belt and the belt tensioner to access the thermostat.
I have attached the instructions for both of the engines.

Remember to only work on the cooling system when the engine is cool.

https://www.2carpros.com/articles/how-an-engine-thermostat-works

https://youtu.be/EZ4luHCzBeo

Please let me know of any questions.

Thank you.

Images (Click to enlarge)

Aug 6, 2021 at 7:35 PM