dtom4 Posted December 3, 2006 Share Posted December 3, 2006 Just picked up a 97 Pathfinder SE in mint shape with only 39K. Needed an exhaust so I picked up a Bosal to install. After hours under the car and lots of swearing I finally got the old system off. I removed the intermediate pipes from the front pipes by breaking the nuts off with a chiesel. Anyway now that I have everything off I can't get the 2 studs off each of the front pipes. I've tried soaking it in PB Blaster, heating it with a torch, and have been banging away at it with metal mallet and none of them will budge. Are they threaded into the front pipe? I hope not and can't see why they would be. It would also make it almost impossible to get off since its rusted in place and there's really no head to grip to turn it. I'd just leave it and use new nuts but I mutilated the treads chiseling the the nuts off. My gut feeling is I have to keep hitting them, maybe with a bigger hammer and they will eventually come off. Any insight would be appreciated. Dam I hate exhaust work Dave Newly accquired 97 Pathfinder SE Runs great other than exhaust Link to comment Share on other sites More sharing options...
Little Mule Posted December 3, 2006 Share Posted December 3, 2006 Do you mean the studs that held the exhaust manifold to the engine block? The studs are still in the block? Link to comment Share on other sites More sharing options...
Little Mule Posted December 3, 2006 Share Posted December 3, 2006 (edited) This is from another thread where I talked about this problem. I had several studs from the exhaust manifolds stuck in the cylinder heads. I hit them with PB blaster several times over the last 2 days. Then to remove them, I placed 2 nuts on them. Then with a socket to hold the top nut in place, I used a wrench to turn the bottom nut. With a little umph, it turned the studs loose. Pic of 2 nuts on stud: This post has been edited by Little Mule on Dec 2 2006, 08:54 PM Attached Image (Click thumbnail to expand) Edited December 3, 2006 by Little Mule Link to comment Share on other sites More sharing options...
Little Mule Posted December 3, 2006 Share Posted December 3, 2006 Pic of socket holding top nut and wrench turning bottom nut: Link to comment Share on other sites More sharing options...
Little Mule Posted December 3, 2006 Share Posted December 3, 2006 Stud comes free: Link to comment Share on other sites More sharing options...
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