Stuck muffler defuser

garncarz · Post by **garncarz** » Wed Dec 04, 2013 8:32 am

Does anyone have a tip for getting a stuck defuser out of a CA78 muffler. The left one slid right out. The right one won't budge and I am concerned about breaking the little tab across the end. Thanks.

garncarz · Post by **garncarz** » Thu Dec 19, 2013 3:56 pm

garncarz wrote:Does anyone have a tip for getting a stuck defuser out of a CA78 muffler. The left one slid right out. The right one won't budge and I am concerned about breaking the little tab across the end. Thanks.

No pearls of wisdom?

LOUD MOUSE · Post by **LOUD MOUSE** » Thu Dec 19, 2013 4:05 pm

Remove the fastening bolt.
Spray with penetrate fluid.
Tap on outer edge in a twisting direction back and forth with a punch.
Use plenty of fluid.
May need to punch it in a little but keep twisting as you add fluid. ........lm

garncarz wrote:
garncarz wrote:Does anyone have a tip for getting a stuck defuser out of a CA78 muffler. The left one slid right out. The right one won't budge and I am concerned about breaking the little tab across the end. Thanks.
No pearls of wisdom?

cadman · Post by **cadman** » Thu Dec 19, 2013 4:07 pm

Wisdom - but not pearls -

Penetrating oil or PB Blaster - soak for a long time

Heat from a heat gun or propane torch

Lots of oil and carbon build up - a torch will tend to burn some of it away -

However it ain't easy.

garncarz · Post by **garncarz** » Thu Dec 19, 2013 4:14 pm

I'll try it tonight.

garncarz · Post by **garncarz** » Sun Dec 22, 2013 1:26 pm

Remove muffler, insert 1" x 36" wooden dowel into end opposite defuser, tap with hammer. Voila!

Thanks.

primer63 · Post by **primer63** » Wed Jan 29, 2014 12:35 am

garncarz wrote:Remove muffler, insert 1" x 36" wooden dowel into end opposite defuser, tap with hammer. Voila!

Thanks.

Simple. Elegant.

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