Re: [Chrysler300] Soft Plugs Revisited -- Two Losses

["Michael Reed" <mrreed@xxxxxxxxx>]

I can tell you my two experiences. Both times **volumes** of steam appeared behind the car as it was going down the road. I suspect because both times the coolant was spraying onto an exhaust manifold.

Both times I noticed the problem before the temp gauge climbed. No loss of power, or other indication -- at that point. A few minutes more and there would have been!

Mike

  ----- Original Message ----- 
  From: Ron Waters 
  To: chrysler300@xxxxxxxxxxxxxxx 
  Sent: Wednesday, May 26, 2010 9:11 AM
  Subject: Re: [Chrysler300] Soft Plugs Revisited -- Two Losses


    
  What Michael describes below has never happened to me, so I have to ask this 
  question:

  If I was driving along and a freeze plug (soft plug) blew out, how would I 
  know ? Does the engine just quit on me, is there a sudden loss of power but 
  I can still get to the side of the road ?

  Thanks,

  Ron

  ----- Original Message ----- 
  From: "Michael Reed" <mrreed@xxxxxxxxx>
  To: "Chrysler 300 Club Intl." <Chrysler300@xxxxxxxxxxxxxxx>; 
  <la1948@xxxxxxxxxxxxx>
  Sent: Wednesday, May 26, 2010 7:17 AM
  Subject: Re: [Chrysler300] Soft Plugs Revisited -- Two Losses

  > Two outings this year, both under 15 miles, two soft plugs blown out of 
  > the "F". Now I am afraid to drive it anywhere other than around town. 
  > After 31 years of total reliability, it has now become totally unreliable. 
  > Maybe coincidental? But I'm not willing to gamble on it.
  >
  > This fall I will be (hopefully) be able to replace the remaining 8 
  > plugs -- that seems to be the only remedy that is practical now. In the 
  > meantime, the (heresy, I know) Chevelle will do car events.
  >
  > Mike Reed in Lake Odessa, Michigan
  > ----- Original Message ----- 
  > From: la1948@xxxxxxxxxxxxx
  > To: Michael Reed
  > Sent: Wednesday, May 26, 2010 7:01 AM
  > Subject: Re: [Chrysler300] Soft Plugs Revisited -- Two Losses
  >
  >
  > These plugs are convex and have no flange on the edge. They fit in a 
  > champfer and bottom out with the curve facing up. Then they are hit down 
  > flat which expands them. There is a tool for this so they don't get 
  > pushed too far and loosened again. Same thing happened to me. The shop 
  > that did the heads just used a ball peen hammer.
  >
  > ----- Original Message -----
  > From: Michael Reed
  > Date: Sunday, May 23, 2010 5:55 am
  > Subject: [Chrysler300] Soft Plugs Revisited -- Two Losses
  > To: "Chrysler 300 Club Intl."
  >
  > > On its first drive this year, the "F" popped a soft plug (left
  > > head, front) about 12 miles from town. On it's second drive
  > > yesterday, it lost another (left head, rear).
  > >
  > > This time all 10 soft plugs will be replaced. What I wonder is --
  > > is this a coincidence? Or not... Two of them in two trips?
  > > While it isn't readily conceivable to me -- could there an
  > > inordinate amount of pressure that is causing them to pop out?
  > >
  > > I'd appreciate any and all thoughts from the membership...
  > >
  > > Mike Reed in Lake Odessa, Michigan
  > >
  > >
  > > [Non-text portions of this message have been removed]
  > >
  > >
  >
  > [Non-text portions of this message have been removed]
  >
  >
  >
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