Whats the deal with freeze plugs on the 5.9 liter? - Dodge Durango Forum and Dodge Dakota Forums
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post #1 of Old 08-18-2008, 06:57 PM Thread Starter
durangoneighbor
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Whats the deal with freeze plugs on the 5.9 liter?

My neighbor just had to replace two FP and now the remainder have started leaking. Do these things just crater with no advance warning? Are owners who regularly change coolant also having this prob?
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post #2 of Old 08-18-2008, 09:27 PM
Mastec
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I have never heard or read of this happening in all the research I did before buying my Durango with a 5.9



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post #3 of Old 08-18-2008, 09:35 PM
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I've owned a '99 and now a 2000 R/T and never had a problem with freeze plugs. My dad had a '95 Ram with the 5.9L and didn't have any problems either. I did have a '93 S-10 with the 2.8L V-6 that I had to replace a freeze plug on though. And yes, usually when they go bad, there is no warning other than you start losing coolant. If you keep track of your fluids, then you will notice a loss of coolant and maybe try to figure out where it's going before it leaves you stranded.

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post #4 of Old 08-18-2008, 09:38 PM Thread Starter
durangoneighbor
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It MIGHT be a 5.2.. but that really should not matter. I think she said its got like 158K miles... and I asked her did she ever change the coolant/flush rad..

And I think I know the answer...
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post #5 of Old 08-18-2008, 10:24 PM
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There have been a few people on several forums that have had to replace a freeze plug or two but I would not say it was a very common. Apparently they are not that hard to do (provided you can get a straight shot to tap the new one on)

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post #6 of Old 08-18-2008, 10:26 PM
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My 2000 Durango R/T had bad FP in the rear on a 4x4 one week after I bought it. Boy was I pissed. Fixed it and traded for my Dak.

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post #7 of Old 08-19-2008, 02:27 AM
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As mentioned, it's more likely a maintinence issue than a real issue with the FP's themselves.
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post #8 of Old 08-19-2008, 05:11 AM
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There is nothing out of the ordinary about replacing freeze plugs on a motor. All is well, I have replaced two of mine over the years, they don't last forever.


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