FYI Original part #1551-067 NAPA cross referenmce #219-1012 Dave Schwandt ----- Original Message ----- From: "richard_e_osborne" <richard@xxxxxxxxxxxx> To: <Chrysler300@xxxxxxxxxxxxxxx> Sent: Monday, April 12, 2010 7:39 AM Subject: [Chrysler300] Re: Freeze out plug > Mark, > > I feel your pain. I struggled with these plugs in my G. This is bringing > back many bad memories. > > I believe these are called "welsh plugs". I cannot remember the size. I > mic'd the ID of the hole and then matched as closely as possible, seems > there are even metric sizes if I remember correctly. > > These are concave shaped stamped metal, they fit somewhat snug into into > the machined hole within the head (or engine block) with the curve facing > OUTWARD of the engine. With a blunt device (I used a 1/2" drive socket > extension), you whack the heck out of it to make it expand and create a > tighter friction fit to the machined surface. > > Here are my opinions and methods which have lasted for almost 10,000 miles > which included a trip through the 113F dessert in Arizona: > > -Clean the machined surface, I used lacquer thinner. > -Find a plug which is the tightest possible when pushed in by hand. > -coat the edges of the plug and head/block with JB Weld, then insert plug. > -Smack the heck out of the plug with something that is a little smaller > than the diameter of the plug. I recommend smacking as infrequently as > possible, I think once is ideal, but not always practical. > -Let it sit for a few days to allow the JB Weld to firm. > > I do not claim to have eliminated this possibility. I still carry the > rubber temporary expansion plugs as a precaution. > > Hope this helps, good luck! > > Richard Osborne > > > --- In Chrysler300@xxxxxxxxxxxxxxx, Mark Souders <MRS954@...> 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 >> >> >> >> >> [Non-text portions of this message have been removed] >> > > > > > ------------------------------------ > > To send a message to this group, send an email to: > Chrysler300@xxxxxxxxxxxxxxx > > > To unsubscribe from this group, send an email to: > Chrysler300-unsubscribe@xxxxxxxxxxxxxxx > > > For list server instructions, go to > http://www.chrysler300club.com/yahoolist/inst.htm > > For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups > Links > > > ------------------------------------ To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Chrysler300/join (Yahoo! ID required) <*> To change settings via email: Chrysler300-digest@xxxxxxxxxxxxxxx Chrysler300-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/