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Unread 10-09-2006, 05:07 PM   #1
StokedXJ11
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1997 XJ Cherokee 
 
Join Date: Jun 2005
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Freeze Plug Size

For all those who have dealt with Freeze Plugs on your Inline 6....

What size replacement Freeze Plug do i need to put back in?

I bought a rubber plug one ( They did not have any brass or steel ones in stock ) and it says it will fit 1 7/8" to 2" and it still leaked. It did not seal all the way... So i need to go up to what?

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Unread 10-09-2006, 06:13 PM   #2
BrunoS
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go to any reputable engine rebuild shop and get one over the counter.

BIG TIME TIP: always smear the freeze plug hole with just a trace of RTV before you use a socket wrench socket to tap the freeze plug in place. It will seal perfect and never leak in the future.

Also: ALWAYS get the bronze freeze plugs. run away from 'coated' galvanized cheapo plugs. on freeze plugs...ALWAYS buy the better ones. also, always change your antifreeze when it's time...best way to avoid corroded freeze plugs.
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Unread 10-12-2006, 04:48 PM   #3
Jeepthing88
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they arnt freeze plugs....thats VERY VERY important to know....they are core plugs...the only reason they are there is to provide a way to get the sand out after the molding process on the block.....they are NOT designed to pop out.....sometimes they might....but they arnt designed....just to let you know
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Unread 10-12-2006, 05:01 PM   #4
AZ Jeff
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Quote:
Originally Posted by Jeepthing88
they arnt freeze plugs....thats VERY VERY important to know....they are core plugs...the only reason they are there is to provide a way to get the sand out after the molding process on the block.....they are NOT designed to pop out.....sometimes they might....but they arnt designed....just to let you know
While you are technically correct, everyone still calls them freeze plugs, even engine builders and machine shops.
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