3406e oil filter base freeze plug leak

Cold water leaks. It probably seals right up once warmed up. I wonder if plugging in the block heater would provide enough heat to stop the leaking? I got nothing except drill that one, pull it, and replace with new.

I will be interested to hear solutions. Working on them outside at -5 isn't much fun though.

 

This weather is retarded cold right now. I replaced a valve on top of my coolant filter housing, only to find a cup or so of coolant a few days later.

It’s very minor weeping out of manifold junction hoses that have been replaced before. Seems to happen every time it gets stupid cold.

 

Never did exactly that but if I did I would go at it like this. Use a hammer and punch and drive the bottom in rotating the plug. That will expose the lip on top of the plug. Grab that with a channel locks and pull it out.
If that does not work or it is a flat plug drill a hole in it. Pull it with a slid hammer and screw attachment.

 

You sure it isnt coming from the large oring on the front of the oil cooler? It is right above the frost plug and might give the appearance the frost plug is leaking when it drips down onto it. That oring is famous for leaking when cold but not when running.

I think that plug is on the oil side also

 

Antifreeze will seep thru, where water can’t. The colder antifreeze gets, the smaller the molecules become, thus can seep thru an otherwise sealed connection.

 

You are correct, the plug circled in the picture has oil behind it. no coolant will leak from there. if it has coolant on it it would be from the O-ring for the oil cooler bonnet right above it.

By location of the puddle I would thing the leak would likely be from one of the lower radiator hoses, common for the clamped connections to loosen up and leak when its that cold out.