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International Automotive Technicians Network
Re: Dual thermostats. Purpose and diagnostics
Posted to Technical Theory Forum on 7/1/2025

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2005 Nissan Altima 2.5 has two. Not sure how many years "up or down" that was in the design. I only ever dealt with the one. The buyer's guide (reverse look-up) shows 2002 - 2017. Not going to fight ... Login to read more.