Coolant Freeze Plug Failed
07-01-2003, 01:15 PM
#12
Senior Member
Join Date: Apr 2002
Location: IL
Posts: 2,930
Originally Posted by Suds' date='Jun 30 2003, 08:24 PM
Uhh well shut up, don't poke your plugs with screwdrivers and maybe you won't ***** your motor, dumbass, listen to the guy who told you about the replacement plugs, and quit crying over your motor. 
he was rebuilding the motor and poked the plug when trying to find out what caused the failure.... the freeze plug he pokes fell apart when he poked it, and he saw traces where it had been leaking already. By poking the freeze plug he confirmed what he suspected, that it had failed.
whats your problem?
and as far as I know, the holes are multifunctional, they are used when casting the parts, but left open and plugged with 'freeze plugs' so in the event of freezing coolant in the water jacket, with some luck, the freeze plugs will pop out and you won't have cracked housings / block. If this werent the case they would likely use a different form of plug, or close up the hole entirely after finishing the casting process.
07-09-2006, 11:23 AM
#13
Senior Member
Join Date: Jun 2003
Posts: 406
Originally Posted by teknics' post='251435' date='Jun 5 2003, 12:35 PM
just small bit of knowledge (seriously not being a dick)
there's no such thing as "freeze plugs" or "freeze out plugs". People are under some false belief that these things pop out when the block freezes or whatever.
They're called Core Plugs (there is one other name, but it's not freeze) and are used after the block is casted. The way the things are made they need a way to empty the sand out of the block, so they have those holes there, then obviously they need to plug the holes. The OEM plugs are of either the dish or disc type (dish - picture a small metal petri dish, disc- a concave disk with no "lip"). There are aftermarket core plugs called "expansion plugs" which use two washers, a nut, a bolt, and a rubber piece to make a very strong seal, and prevent what happened to your plugs. I'd reccommend "upgrading" to those since yours are obviously shot. To remove your core plugs do what you did to break the first one, tap a screwdriver through the center, angle and push it and pull the plugs out. Putting in expanson plugs are easy, sometimes dish plugs require a special tool but the bottom of a big screwdriver could work, disc plugs you put into the block in a convex form, then dimple the center to form the concave shape.
enjoy your new knowledge
kevin.
kevin.
Err, ive had freeze plugs pop out on me on a motor that partialy froze. It wasnt a wankel, and i had to replace the damn plug so trust me people call them freeze plugs for a reason.
http://autorepair.about.com/cs/gener.../bldef_233.htm
07-11-2006, 03:43 PM
#14
Senior Member
Join Date: Dec 2003
Location: Minneapolis,MN
Posts: 500
Originally Posted by teknics' post='251435' date='Jun 5 2003, 11:35 AM
just small bit of knowledge (seriously not being a dick)
there's no such thing as "freeze plugs" or "freeze out plugs". People are under some false belief that these things pop out when the block freezes or whatever.
They're called Core Plugs (there is one other name, but it's not freeze) and are used after the block is casted. The way the things are made they need a way to empty the sand out of the block, so they have those holes there, then obviously they need to plug the holes. The OEM plugs are of either the dish or disc type (dish - picture a small metal petri dish, disc- a concave disk with no "lip"). There are aftermarket core plugs called "expansion plugs" which use two washers, a nut, a bolt, and a rubber piece to make a very strong seal, and prevent what happened to your plugs. I'd reccommend "upgrading" to those since yours are obviously shot. To remove your core plugs do what you did to break the first one, tap a screwdriver through the center, angle and push it and pull the plugs out. Putting in expanson plugs are easy, sometimes dish plugs require a special tool but the bottom of a big screwdriver could work, disc plugs you put into the block in a convex form, then dimple the center to form the concave shape.
enjoy your new knowledge
kevin.
kevin.
Youre not from Minnesota are you
07-11-2006, 03:47 PM
#15
Senior Member
Join Date: Dec 2003
Location: Minneapolis,MN
Posts: 500
Originally Posted by kahren' post='250713' date='Jun 4 2003, 01:57 PM
rigth next to the oil pump, that metal shiny thing, was all rusted, i poked with a screw driver
and broke right thru with no effort, this caused the engine to dump coolant into teh oil system/oil pan
and fucked teh motor. damn it people CHANGE YOUR COOLANT
I gave a buddy of mine a free front plate. Calls up sayin his engine is doing all sorts of strange ****. I thought he was on dope or somethin from what he was discribing.
Turns out he was right, there was a pinhole that was barely visible on a FROST PLUG
He found it by taping the coolant pasages shut on each plate. Fun Fun.
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