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GregS Member
Joined: Apr 13, 2005 Posts: 174
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Posted: Sun Mar 19, 2006 7:38 pm Post subject: freeze plug failure |
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Well, Murphy struck again.
Today I started the jeep and let it run for about 10 minutes then backed it out of the garage and parked it. All at once anti-freeze gushed from under the engine. The passenger side rear freeze plug gave way.
When I rebuilt the engine the machine shop replaced all the plugs and the engine probably only has about 1 hour run time on it.
Any ideas on what could have caused it to give out? The engine was good and warm but was not over heated. Think it was just improperly installed?
The plug was a cupped shaped and appears to have been sealed with hard setting Permatex. Any suggestions on what I should seal the next plug I install?
Greg |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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GregS Member
Joined: Apr 13, 2005 Posts: 174
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Posted: Sun Mar 19, 2006 10:27 pm Post subject: |
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Thanks Wes, I think I will remove the passenger side fender to give me more room to set the plug.
Could you advise which of the 4 types of plugs should be used.
The one that was in the block looked like this but is steel.
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Mon Mar 20, 2006 7:02 pm Post subject: |
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Greg,
That sounds like an easy fix compared to what it could have been. I would have laid a gold brick after seeing antifreeze gushing out on the ground! _________________ Ryan Miller
MVPA # 22010 |
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GregS Member
Joined: Apr 13, 2005 Posts: 174
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Posted: Mon Mar 20, 2006 7:29 pm Post subject: |
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Well this is what I have found and learned. I need the plugs like the brass one above. The #@$%@ machine shop had installed the plug in backwards and I didn't know any different from looking at it from the outside as every engine I have worked on had plugs like plug "B" pictured above. Instead of installing the plugs with the dished side out and seating it correctly to make it expand, they have it reversed.
So, I am going to pull the other plug and correct the mistake. By removing the air cleaner, ignitor, generator, oil fill tube and right fender I think I can get to the plugs without having to pull the motor.
I found my original invoice from the shop and am going there on Sat. to call them out on it. This is from a shop that has always done excellent work for me. They have done machine work and such on about 10 different engines for me; this really disappoints me.
Oh it couldn't have been as simple as forgetting to tighten a radiator hose clamp. On the bright side, I am glad it happened in the driveway and out on the road. |
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16355 Location: Wisconsin
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GregS Member
Joined: Apr 13, 2005 Posts: 174
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Posted: Tue Mar 21, 2006 8:18 am Post subject: |
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Thanks Wes,
Thankfully I took pictures of the engine, for my scrap book, when it returned from the machine shop. I reviewed them last night and the soft plug for the cam is in correctly. |
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1649 Location: Kansas
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Posted: Tue Mar 21, 2006 7:37 pm Post subject: |
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Greg,
That is good you took photos!
Let us know how things turn out. _________________ Ryan Miller
MVPA # 22010 |
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