I'm in the process of replacing my muffler and I can not for the life of me get the rust to let go at the joint behind the intermediate pipe. I'm not a mechanic but this I would think should have been a snap. Suggestions? Thanks.

(EDIT: I got it off... thanks all!)

 

I had to fight with mine recently. I used a lot of Wd-40 at the junction, and just twisted and pulled for about 20 minutes. Movement started off real small, but the muffler very slowly started to work off the mid-pipe. I think I had to give the muffler some encouragement with a 3lb hammer at one point. There was so much friction the joint actually got pretty warm.

 

And for what it's worth, I got the best leverage laying under the back of the jeep, head first.

 

Thanks. Im sitting on my garage floor now trying to recover from my first volley... I feel like a stand off has occurred between me and my jeep. lol. thanks for the info.

 

I hear you After I finally got the muffler off, I crawled out from underneath dripping with sweat (and rust). It was a workout for sure.

 

Got it off! Blood, sweat, and tears..... and rust! lol thanks for help!

 

It helps a lot to spray it with WD a few times the night or day before, let it soak