2003 G35 Sedan running hot

A general discussion forum for G35 and G37 owners and a great place to introduce yourself to the NICOclub G-Series Forums!
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tobesuccessful
Posts: 3
Joined: Mon Oct 31, 2011 7:38 am
Car: 2003 Infiniti G35 Sedan

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I smelled antifreeze and noticed that the radiator had a crack in it. I have changed the radiator and it still runs hot. I also changed the thermostat and it still runs hot. There are now no visible leaks. What else could be the problem?

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Q451990
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Posts: 11030
Joined: Tue Jul 23, 2002 8:21 am
Car: 1990 Q45 - 118K, 2022 Toyota 4 Runner, 2004 Frontier M/T - 108K, 2012 Xterra (Mom's), 2023 Rogue (Inlaws)
Location: Columbia, SC
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It is notoriously difficult to refill the coolant in newer Nissan engines and get all of the air pockets out...

Check out the factory service manual at www.nicoclub.com/FSM/ for the procedure. As a last resort you may have to have it bled by a dealer tech.

Good luck!

Heath
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