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2000 Frontier 2.4 overheating issues

13950 Views 14 Replies 6 Participants Last post by  bbpping
Hey guys

total noob here, posting to see I can figure out what's wrong with my dad's truck.

During city driving it's mostly fine, but the car very slowly heats up (from mid point to the redline of the temp gauge) while climbing long inclines, or driving on the highway from 55mph - 65mph. If I'm going faster or slower, it won't heat up over middle point.

It also won't overheat if I turn the heater on max inside the car, but that's not gonna work out too well in summer

I replaced the Thermostat and flushed the coolant, that didn't seem to help; I thought it could be because I didn't bleed it properly; but it's been a few months now, wouldn't it work the air out itself by this time?

It's almost like for some reason the stock cooling system can't handle the car anymore...

it's a 2.4l 5spd 4x2 XE extended cab. It only has 50,000miles on it, and has been issue free until this.

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My 2001 XE Frontier had the exact same symptoms last year. It was a partially plugged radiator.

We replaced the radiator with an aftermarket (1/2 the price of Nissans) and the problem was solved.
So I live in NM. Hot summers. My sh*t was gettin warm sittin in traffic. So I unhooked my window washer hose and zip tied it so it sprayed out a fan mist. Then I threw that right in front of my radiator so the water just hits and cools down the truck. It worx good.
Is this a serious post? I can't believe that just a little mist on the radiator would actually have any cooling effect at all.

Or maybe this is a tongue-in-cheek post and I'm just falling for it hook, line, and sinker.
Don't believe my word I don't give a Sh*t.

I said I thought you were joking not lying.
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