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What are freeze plugs?

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Old 04-15-2009, 05:09 PM   #1
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What are freeze plugs?

i saw a toyota sitting at an old house in the winter i finally found out who owns it. the guys out west and left it for his mother to deal with. she said he told her not to let it go for less than $300-400. the frames great cab is alright box is shot has a cap. its a 22re 5 speed ext cab lots of work done to it but she said the freeze plugs blew. do you think this motor is still any good? could i just replace the freeze plugs or could there be more problems along with it? dunno much about freeze plugs but i wouldnt mind picking up and ext cab project since theres not much room in my reg cab.

Last edited by waskillywabbit; 04-15-2009 at 07:53 PM. Reason: Title clarity per posted sticky
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Old 04-15-2009, 05:17 PM   #2
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frost plugs? I can only bet she meant freeze plugs

if anything, you can part out a $500 Yoter for easy $1000 profit I bet

what year? or at least, what generation?

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Old 04-15-2009, 05:24 PM   #3
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sorry i meant to put that. its an 89-95 never got the exact year. she said he did $400 in work to it before he moved out west. so not sure how long it was sitting i think the mvi was up in 06 or 07. dont know much about freeze plugs only has around 200 000 kms on the odometer and oil the was fairly clean looking.
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Old 04-15-2009, 05:34 PM   #4
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well you've got 5 in the block of the 22re (large ones that I'm aware of)

3 on the driver's side, and 2 on the passenger side

can be a PITA to replace in the truck, but it's doable, just find the one that's leaking; usually they're easy to spot cause once they start leaking, they leave a tell-tail trail down the side of the block, and if you follow it up, it'll lead right to the failed plug


they're the little brass gold-looking circles in the middle of the block in the 2 pictures below:



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Old 04-15-2009, 05:42 PM   #5
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You would be screwed if you only replaced 5

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Old 04-15-2009, 05:48 PM   #6
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lol the rear one! yeah i had to knock one out to put a heater in, its a pain to get them out.
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Old 04-15-2009, 05:54 PM   #7
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what does the frost plug doo? does it like open up when its cold?
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Old 04-15-2009, 05:54 PM   #8
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well ok, I've never had my motor, or my trans out, so I wouldn't know about that one

good job


hey 91, I have that same toolbox

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Old 04-15-2009, 05:55 PM   #9
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what does the frost plug doo? does it like open up when its cold?
I believe it is suppose to be a fail point; it's suppose to pop out of the block before the block itself cracks if the coolant starts to freeze and expand (could be the reason another name for them is expansion plugs )
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Old 04-15-2009, 05:58 PM   #10
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if the block freezes up the coolant will expand and knock the plug out instead of breaking the block. dammit you beat me to it.
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Old 04-15-2009, 06:01 PM   #11
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if the block freezes up the coolant will expand and knock the plug out instead of breaking the block. dammit you beat me to it.
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Old 04-15-2009, 06:18 PM   #12
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oh aha
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Old 04-15-2009, 06:47 PM   #13
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if the block freezes up the coolant will expand and knock the plug out instead of breaking the block. dammit you beat me to it.
that is what is hoped will happen, not always do the frost plugs do there job. I've seen a 22r be reduced to just scrap before from having only water in it and not anti-freeze.
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Old 04-15-2009, 07:30 PM   #14
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Hah. Our typical winter down here is like 50deg, and we break out the parkas.
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Old 04-15-2009, 07:47 PM   #15
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Hah. Our typical winter down here is like 50deg, and we break out the parkas.
I'd kill for a winter like that.

I think the lowest it went this winter was around -35 or so. Not to shabby.
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Old 04-15-2009, 08:14 PM   #16
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Hah. Our typical winter down here is like 50deg, and we break out the parkas.
Lol. When I live in Florida, one it hit 65, people were breaking out the parkas. haha...
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Old 04-15-2009, 08:30 PM   #17
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my parka comes out when its -40F, tee shirt tell about -10 then a jacket. When Im biking or cross country skiing then its just a fleece even when is -40, I get to hot.
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Old 04-15-2009, 08:32 PM   #18
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while we're on the subject the coldest it got last winter here in Florida was about 28; I got so pissed trying to leave in the morning with ice over my front windsheild... I don't know how you guys put up with it up north
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Old 04-15-2009, 08:38 PM   #19
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I hate that too, but I warm up the truck and scrap the ice off the windshield. I hate it when i get ice build up on the carpet.
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Old 04-15-2009, 08:42 PM   #20
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I hate that too, but I warm up the truck and scrap the ice off the windshield. I hate it when i get ice build up on the carpet.
lawl, ont the carpet?

yeah, I like Florida a little more every winter...

but summers capital S U C K !!!

it's too freek'n humid...

I guess the beaches are nice though
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1993, 4runner, 86, 89, blocks, brass, busted, damage, engine, freeze, frozen, installation, jackets, location, plug, plugs, toyota, water

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