Question about 2001 Honda CR-V

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2001 Honda CRV radiator leaking

I have a 2001 Honda CRV and I noticed that my radiator fluid is leaking. There is green liquid all over my hoses, but there is no steam coming out. Also, my car is not over heating. My radiator cap doesn't appear to have a crack in it or anything. I can't seem to find anything that looks broken or loose. Any suggestions?

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  • kroopcrow May 24, 2009

    I had the exact problem with my CRV. It occured a few days after driving to my 500 mile destination. During my journey I remember idling for about a hour in the heat waiting for an accident to clear and the highway to open up. Anyway, I took my car to an AAA approved radiator shop, and they diagnosed that a raditor seam was leaking. They said that this could have been avoided if I followed the manufacture's direction to change the cap every 90,000 miles. The vehicle heating sensor could give a false reading with a faulty cap. They claim that my radiator was one entire unit of plastic and metal that could not be repaired with a weld. Cost = about $485.00.



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I had the same problem and traced it to the joint between the plastic bottom and the metal body. This is a common fault, you would new a pressure test to confirm.

Posted on Mar 22, 2009

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There are dozens of possible sources for your leak, ranging from a split hose, to a bad water pump, a bad thermostat bypass hose, split in the radiator core, defective radiator cap, etc... If there aren't any visible problems, about the only way to find the leak is a radiator pressure tester. Buy, rent, or borrow one, and pump up your cooling system to around 30 psi. Don't go any higher or you could do some damage. The problem should show pretty quickly. Don't forget to check the radiator cap. I have had 2 in a row go bad on my PT Cruiser, one OEM, and one aftermarket. If you smell anti-freeze while driving, your heater core is leaking. Be very careful with any spilled anti-freeze since children and pets will lap it up because it tastes sweet, and polyalkylglycol is highly toxic.

Posted on Feb 25, 2009

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Could be coming from overflow bottle

Posted on Feb 24, 2009

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