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  #1  
Old 07-03-2010, 09:36 AM
marcograms marcograms is offline
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How do I replace freeze plugs...

How do I replace freeze plugs with engine in the truck or is this possible? I checked under my engine for accessibility and it looks pretty tight. Also, should I go with brass? I searched and read that some use brass with some type of sealant on them.
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Old 07-03-2010, 10:28 AM
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Blown 331 Blown 331 is offline
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If you can get to them you can try using a punch along the edge of the plug. Hopefully that side will push into the block while the other side pushed out so you can grab it with pliers. I would use the brass plugs so you no longer have to worry about rust through. I usually put a slight coating of permatex non-hardening gasket sealer around the edge of the new ones and install them with a socket that fits inside the plug and hammer it in.
If you don't have enough access to do this in the truck you can always try a rubber one. I've never used one and I'm sure it's not as good as replacing the plug correctly but I'd say it could get you by for a little while until you can make the correct repair. You install the rubber one then turn the nut which expands the rubber until it seals against the block.
Dorman/Freeze Plug | Freeze Plug | 1977 Ford F150 1/2 ton P/U 4WD 8 Cylinders H 5.8L 2BLModified OHV | AutoZone.com
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Old 07-03-2010, 11:07 AM
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MADFord4X4 MADFord4X4 is offline
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Quote:
Originally Posted by Blown 331 View Post
If you can get to them you can try using a punch along the edge of the plug. Hopefully that side will push into the block while the other side pushed out so you can grab it with pliers. I would use the brass plugs so you no longer have to worry about rust through. I usually put a slight coating of permatex non-hardening gasket sealer around the edge of the new ones and install them with a socket that fits inside the plug and hammer it in.
If you don't have enough access to do this in the truck you can always try a rubber one. I've never used one and I'm sure it's not as good as replacing the plug correctly but I'd say it could get you by for a little while until you can make the correct repair. You install the rubber one then turn the nut which expands the rubber until it seals against the block.
Dorman/Freeze Plug | Freeze Plug | 1977 Ford F150 1/2 ton P/U 4WD 8 Cylinders H 5.8L 2BLModified OHV | AutoZone.com

Blown 331 has the correct information. I would only use the expandable freeze plugs in an emergency. I used them and of course on a hot day in the middle of no where the one expandble freeze plug went.

The easist way is to pull the engine if you have the equipment and time, this way you are sure to get to all including the one in the rear of the block.(If you have one there)
If not then please follow the advice of Blown 331 and use the brass. Don't worry if you knock one in sideways get a pair of vise grips and gently force that thing out.
Hope this helps,
Mike
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Old 07-03-2010, 12:53 PM
marcograms marcograms is offline
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Thanks for the quick replies. I can get to the one that's leaking and I have the equipment and even though my wife disagrees, the time as well. So I'll yank the engine and do it properly. There are other things I would like to do anyway like check the bottom end and oil pump screen. I'll replace the oil pump gasket as well. I am just hoping I don't come out of remission from not knowing when to stop-itus.
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Old 07-03-2010, 01:52 PM
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Originally Posted by marcograms View Post
Thanks for the quick replies. I can get to the one that's leaking and I have the equipment and even though my wife disagrees, the time as well. So I'll yank the engine and do it properly. There are other things I would like to do anyway like check the bottom end and oil pump screen. I'll replace the oil pump gasket as well. I am just hoping I don't come out of remission from not knowing when to stop-itus.
don't forget your main seal while it's out!
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Old 07-04-2010, 08:16 AM
marcograms marcograms is offline
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thanks ace
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Old 07-04-2010, 08:16 AM
 
 
 
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