Briggs & Stratton muffler stem removal

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  #1  
Old 09-10-05, 10:54 AM
Poltergeist97
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Briggs & Stratton muffler stem removal

The muffler on my 3.5 horse Briggs lawn mower fell off and I need to remove the stem that remains in the engine block. Anyone have any ideas how to get it loose and out before I resort to the cutting torch?

Thanks.
 
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  #2  
Old 09-10-05, 12:02 PM
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Join Date: Oct 2004
Location: USA
Posts: 255
Poltergeist97,

The muffler pipe that is in the block should be a threaded screw in type. Please, no torch! You will need to soak the threads with lots of WD-40 or liquid wrench. Then carefully unscrew counter clock wise with locking pliers or drill a hole through the pipe and use a heavy screw driver to unthread it. Do your best not to damage the block or threads.

God Bless,
Dave237
 
  #3  
Old 09-10-05, 03:08 PM
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Join Date: Jul 2005
Location: central il
Posts: 154
Yeps, this job can be a pain to do,

patience

patience

patience

Lots of soaking with rust penatrator.

They dont come out easy, but do come out with work and effort and patience.

sporty
 
  #4  
Old 09-10-05, 06:01 PM
DNT1
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PB Blaster penetrant seems to work better for me on this type of job, and a bit of heat applied with a Mapp torch always does wonders. I would avoid the cutting torch unless funds are avaliable for a new engine LOL
 
  #5  
Old 07-09-13, 05:58 PM
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Join Date: Jul 2013
Location: USA
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I used a 2inch C-clamp

I know this is about 8 years too late for yall but I used wd-40 and a pipe wrench to no avail. I then got a 2 inch clamp and seated it on both sides of the flange,tightnened it and gently tapped it with a rubber mallet. It moved and then i removed it and lather,rinse and repeat a few times I was able to remove the stem with my fingers. Hope this works for anybody else with this problem.
 
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