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dumps coolant in resover overheats in 3 days

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Old Jun 18, 2015
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Unhappy dumps coolant in resover overheats in 3 days



Help!!! Stumped big time!!

2001 honda civi 1.7 l engine 140K

Overheats in about three days in hot florida. All of the coolant gets pushed into the reservoir then starts to overheat. Takes about three day to do this.
Here is what has been done to try to fix the overheating.

  • New thermostat
  • New radiator cap
  • Flush and 60/40
  • Sensor for fan is jumped so the fans run all the time
  • Did block/head gasket coolant test stayed blue!


About 5 months ago timing belt, water pump,etc, plugs all changed!


New radiator all new


Ran fine no problems….


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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Headgasket.
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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Originally Posted by richgreene
All of the coolant gets pushed into the reservoir then starts to overheat.
Yep, headgasket. Common 7th gen issue.
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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Headgasket?


I tested it with the coolant tester tool that cover the cap with and the blue stayed blue for 20 plus minutes?


Thanx
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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Standard HG test won't always catch it. It's a unique problem with this particular engine.
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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Overheats in about three days in hot florida.
Get it out of Florida.
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Old Jun 18, 2015
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Re: dumps coolant in resover overheats in 3 days

Originally Posted by richgreene
Headgasket?


I tested it with the coolant tester tool that cover the cap with and the blue stayed blue for 20 plus minutes?


Thanx
stop freaking out and start reading.....

https://www.civicforums.com/forums/3...reference.html

it have been tested and the answer is there if you don't freak out....

brats...
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Old Jun 19, 2015
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Re: dumps coolant in resover overheats in 3 days

at 140k miles youre lucky the head gasket lasted so long
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