Freeze plug

[Pupp]

I have a 2000 Denali with a freeze plug leaking (of course the one under the drivers motor mount). Anyone ever replace it without pulling the motor? Tips n tricks welcome!

 

[bill1013]

I've used this as a last ditch effort to escape spending a lot of money on a vehicle that was considered a jalopy. Of course here in Warm Weather Land, no chance of freezing whatsoever land, the freeze plug was corroded through and leaking. Which is what happens when you run straight water in your radiator instead of anti-freeze/coolant water mix. But I digress...the freeze plugs on this 1971 Ford Mustang were the same size as a penny. So I got a rubber glove, coated the penny with a generous heaping glob of Liquid Metal and stuck the penny and its accompanying goo into the plug hole and let it set for around five minutes. Once the penny was tacked into the plug hole I put a little more goo into the hole for good measure and let it set for around 2 hours then started it up. It never leaked again. So if you live in a mild climate where there's really no chance the engine will get cold enough to freeze then you may consider this method. Oh yeah, if you do choose this method do it when the engine is cold. If you try it when it's hot the rubber glove will melt and the Liquid Metal smokes like hell! Just saying!!

 

[Scottydoggs]

likely need to pull the mount and lift the engine up some, after you get the old one out, you can install a block heater to seal it up. and now you got a block heater, kinda a win win if its cold where ya live.

 

[Pupp]

I've used this as a last ditch effort to escape spending a lot of money on a vehicle that was considered a jalopy. Of course here in Warm Weather Land, no chance of freezing whatsoever land, the freeze plug was corroded through and leaking. Which is what happens when you run straight water in your radiator instead of anti-freeze/coolant water mix. But I digress...the freeze plugs on this 1971 Ford Mustang were the same size as a penny. So I got a rubber glove, coated the penny with a generous heaping glob of Liquid Metal and stuck the penny and its accompanying goo into the plug hole and let it set for around five minutes. Once the penny was tacked into the plug hole I put a little more goo into the hole for good measure and let it set for around 2 hours then started it up. It never leaked again. So if you live in a mild climate where there's really no chance the engine will get cold enough to freeze then you may consider this method. Oh yeah, if you do choose this method do it when the engine is cold. If you try it when it's hot the rubber glove will melt and the Liquid Metal smokes like hell! Just saying!!

Got to it and replaced with a brass plug. Previous owner used straight water with factory stupid steel plugs. Always used brass and ran water, never a problrm.

 

[exp500]

Ya better think twice about running straight water. Corrosion and deposits and no lubricants. You've been lucky.

 

[Pupp]

Ya better think twice about running straight water. Corrosion and deposits and no lubricants. You've been lucky.

first vehicle newer than 1963. Thry were tougher then.