300 Tdi Freeze Plug Part # - Defender Source
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  #1  
Old January 28th, 2013, 10:19 AM
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300 Tdi Freeze Plug Part #

I looked around for this and can't seem to find it. What is the size of the freeze plug in a 300 Tdi and the part number? I believe it is some Ford tractor part that I can get at a local auto parts store.

Thanks,
Alex
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  #2  
Old January 28th, 2013, 10:39 AM
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http://www.defendersource.com/forum/...3&postcount=17

I think this is the one.

edit wrong link.. I need to find it and post it again.

------ Follow up post added January 28th, 2013 10:42 AM ------

Here it is

http://www.defendersource.com/forum/...70&postcount=4

------ Follow up post added January 28th, 2013 10:44 AM ------

And from Amazon

http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
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Old January 28th, 2013, 11:40 AM
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Thanks, but I'm looking for the $2 plug not the heater.
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  #4  
Old January 28th, 2013, 11:46 AM
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Do you mean the one in the block?

------ Follow up post added January 28th, 2013 08:52 AM ------

The one for the rear of the head is LR part number 524765.
For the side of the head it's 525497.
For the block it's ERC4996.
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  #5  
Old January 28th, 2013, 03:17 PM
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Surprisingly my local dealer had them in stock, ERC 4996
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Old January 28th, 2013, 05:12 PM
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Quote:
Originally Posted by navydevildoc View Post
Do you mean the one in the block?

------ Follow up post added January 28th, 2013 08:52 AM ------

The one for the rear of the head is LR part number 524765.
For the side of the head it's 525497.
For the block it's ERC4996.
Yes. In the block, left hand side, closest to the bulkhead, extremely inconveniently located under the air intake. Leaking coolant so needs to be replaced.
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Old January 28th, 2013, 06:04 PM
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Gotcha. Well all of them in the block are ERC4996.
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Old January 28th, 2013, 08:31 PM
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You can try to seal it first as I had a heck of a time getting them to seal after an engine re-build. I forget the products name but you could put it on the outside and it seeps in and seals. Make sure you are not building up too much pressure in the engine, that is unless the plug is rusted through. hence the leak. The plug may be the weak link?
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  #9  
Old January 28th, 2013, 08:34 PM
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Well if he is building up pressure on the water jacket you are talking about a busted expansion cap valve, or our favorite Rover Malady, the blown head gasket.
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  #10  
Old January 28th, 2013, 09:03 PM
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my machinist used to smear them (and the hole too) with yellow 3m weatherstrip adhesive before putting them in. no leaks. lots of other problems but no leaks from the core plugs he did.

Quote:
Originally Posted by MC22958 View Post
You can try to seal it first as I had a heck of a time getting them to seal after an engine re-build. I forget the products name but you could put it on the outside and it seeps in and seals. Make sure you are not building up too much pressure in the engine, that is unless the plug is rusted through. hence the leak. The plug may be the weak link?
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  #11  
Old January 28th, 2013, 10:08 PM
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Engine has been rebuilt and I don't have any other issues that would lead me to think it's building up too much pressure. I just think this freeze plug is leaking- it's new so not rusted either.

As I type this I feel the need to go check on the truck to make sure. It's been leaking coolant from this area (and others that have been addressed) since it came back from the rebuild. It's worse when the truck is parked on an incline.
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Old January 29th, 2013, 12:03 AM
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Might want to try a bottle of Bars Stop leak, that's what I did when I replaced the front plug because my replacement wept. In a pinch, I've heard of people putting in a tablespoon of ground black pepper to stop small leaks. Maybe just keep and eye on it, it's eventually corrode itself closed.
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  #13  
Old February 5th, 2013, 09:05 PM
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You might check the coolant drain plug on the block, it's just a bolt below the front freeze plug. And just an FYi the plug is 2 1/16th od.
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