Outdoor Power Equipment and Small Engines - Briggs & Stratton muffler stem removal

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Poltergeist97
09-10-05, 11:54 AM
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.

dave237
09-10-05, 01:02 PM
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
sporty982000
09-10-05, 04:08 PM
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

DNT1
09-10-05, 07:01 PM
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