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Overheating problem

Tiny
EDDY1991
  • MEMBER
  • 2000 NISSAN MAXIMA
  • 3.0L
  • V6
  • FWD
  • AUTOMATIC
  • 200,000 MILES
Hi
I got a problem in maxima that it overheat in traffic while the ac is on. The problem is mostly in traffic when I drive slow in hot weather.
After it get overheated it stop changing the gears.
Then I have to make it cold by putting water on to the radiator.

I already changed radiator twice.
Head gasket?

There is no sign of water and oil getting mix.

Thanks
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Saturday, March 28th, 2015 AT 8:38 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Even thought you do not have coolant in the oil the head gasket can still be blown. Do this chemical test to confirm the failure.

https://www.2carpros.com/articles/head-gasket-blown-test

Please run down this guide and report back

Cheers
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Saturday, March 28th, 2015 AT 8:53 PM
Tiny
EDDY1991
  • MEMBER
  • 44 POSTS
Both the fans are working properly and I live in saudi arabia so the weather is hot always so I already removed the thermostat totally.
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Saturday, March 28th, 2015 AT 8:56 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
If you removed the thermostat, that could be the problem. If it isn't there, the coolant can flow too fast (no restriction) and not have enough time to cool in the radiator.
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Saturday, March 28th, 2015 AT 9:08 PM
Tiny
EDDY1991
  • MEMBER
  • 44 POSTS
Okay I will reinstall the thermostat and report back
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Saturday, March 28th, 2015 AT 9:10 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Lets start with that since we know if it a possible cause. There are other things, but I don't like putting the cart before the horse. Lol
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Monday, March 30th, 2015 AT 8:38 AM
Tiny
EDDY1991
  • MEMBER
  • 44 POSTS
I installed both the thermostat and checked the car again in same traffic and the problem is same. Stopped changing gears and I made it cool by giving the radiator proper bath and that;s it again it started working after few minutes. So I check for a blown head gasket and you were right it has one, turned yellow. Now its going to be $$$ to fix
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Tuesday, March 31st, 2015 AT 12:19 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Sorry about that.

Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers, Ken
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Tuesday, March 31st, 2015 AT 6:04 AM

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