Re: [Chrysler300] Freeze out plug

[Ray Jones <hurst300@xxxxxxxxxx>]

Another type which I haven't seen mentioned is Brass Marine Plugs. These i installed in my '65 "L" more years ago than I want to remember and won't /can't rust out.
The original factory plug in the block rusted out and the mud behind it keep the water in until it began to seep. That lead me to the leak and I found little of the original plug, just mud. I figured it was full as the mud level was above the welch holes.
Living at the time in a water community, It was recommended I use brass and they worked well. I had to dig out the mud in the block with coat-hangers and suchlike and then flushed well before driving them in.
Ray


On Apr 11, 2010, at 8:08 PM, Mark Souders wrote:


This morning I was driving my 300H and three miles from the house, I pulled out from a traffic light, and something went POP. Then there was a white cloud of smoke coming from under the car. I pulled off the highway, opened the hood and found that a freeze out plug removed itself from the left head. With the help of a few gallons of water, I nursed it back home. Now I need to know what size plug goes into that hole, what kind to get, and how do I install it so that it won't escape again? The FSM is very evasive about this subject. This plug has been in the head for 8 years and 13,000 miles, not rusted out, the whole plug is gone, and the paint is chipped off the upper control arm. I'm glad it didn't happen a few hundred miles earlier, when I was in Myrtle Beach!

Thanks for the help,

Mark Souders
300H
Mohrsville, PA



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