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Q: How difficult is it to replace the thermostat? on 2003 Nissan Frontier

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It's in the lower hose vs. the upper and is tucked behind one of the belt pulley housings. It is causing the check engine on and failed emissions testing.
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The labor time is less than a hour, but if it looks difficult maybe best to have a shop handle this. You can get a estimate here www.repairpal.com/estimator and find a repair shop here www.repairpal.com/directory
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