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Old 01-16-2013, 06:04 PM   #1
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Radiator leak

My radiator started a leak today its right at bottom facing engine, could it be bad radiator or something fixable without replacement?

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Old 01-16-2013, 07:42 PM   #2
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Btt anyone? Is there a hose or what?

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Old 01-16-2013, 08:13 PM   #3
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Dripping near the petcock/drain? Are you sure it's not coming from the top and just collecting at the bottom? What year Jeep? Is it the original radiator with the plastic tanks? At least on the TJ, these are notorious for leaking at the seams; I've been through two.

You should be able to take it to a shop and have it pressure tested, but better to have an idea specifically from where it is leaking. If it is leaking at the seams, your best bet is to go with an aluminum radiator if you can afford it; the tanks are typically TIG welded to the core.
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Old 01-16-2013, 09:26 PM   #4
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01 sport 4.0, radiator does not look original but is the plastic top, has 104k does not look like from top at all, ill check drain petcock tomorrow, the coolant is sitting on bottom frame of radiator and drip straight down on the draglink
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Old 01-17-2013, 06:55 AM   #5
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Here a picture from top to bottom i see a leak, is this leak at top seam?
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Old 01-17-2013, 09:03 AM   #6
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Anyone?
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Old 01-17-2013, 09:21 AM   #7
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I had one in my 2000, would leak antifreeze from the top and drip all the way down. Found out it was because I overfilled it with antifreeze
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Old 01-17-2013, 09:27 AM   #8
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Quote:
Originally Posted by stonewall_jeep View Post
Found out it was because I overfilled it with antifreeze
If your radiator was leaking, it wasn't because it was overfilled.
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Old 01-17-2013, 09:41 AM   #9
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Quote:
Originally Posted by jjone54 View Post
Here a picture from top to bottom i see a leak, is this leak at top seam?
IMO, yes, leaking from the top seam. That is where mine was leaking. As I said before, you can pull it and have a rad shop put new gaskets on the tanks, but since you have to go to all that trouble anyway, just buy a new one. A high-end aluminum with welded tanks can cost ~ $400, but I did find a reasonably-priced aluminum one off of eBay that is holding up nicely, ran me around ~ $200.
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Old 01-17-2013, 02:30 PM   #10
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Quote:
Originally Posted by tangofox007 View Post

If your radiator was leaking, it wasn't because it was overfilled.
Hey that's what the mechanic said, havent had a problem since...my bad
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Old 01-17-2013, 02:35 PM   #11
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You can not "over fill" a radiator. To the OP, it's near impossible to tell you where your exact leak is in the pics. Chances are it's the radiator (usually a seam on a composite radiator).

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