RoundTwo Posted July 18 Report Share Posted July 18 1988 J with single landing light in the cowl. I had the cowl off recently and noticed exhaust stain on the inside of the cowl, just below the landing light. Is there any non-destructive procedure that can be employed to seal up the leaking slip joint on the #1 pipe? Both of the other two pipes slip easily and get Mouse Milk routinely. I understand welding is an option but am hoping there may exist a way to pinch or shrink the bell by a few thousandths. Or, stretching the down pipe would be another option. Thoughts? Chuck Quote Link to comment Share on other sites More sharing options...
MikeOH Posted July 18 Report Share Posted July 18 Is welding a slip-joint really an option? I would think the slip-joint is there by design to allow for slight movement caused by temperature cycling; wouldn't welding the joint be a perfect invitation to developing cracks? Quote Link to comment Share on other sites More sharing options...
RoundTwo Posted July 18 Author Report Share Posted July 18 1 minute ago, MikeOH said: Is welding a slip-joint really an option? I would think the slip-joint is there by design to allow for slight movement caused by temperature cycling; wouldn't welding the joint be a perfect invitation to developing cracks? Sorry I wasn’t more clear on this. I was referring to welding a new bell onto the pipe, replacing a potentially worn one. However, this muffler isn’t very old as it was replaced not too long ago. 1 Quote Link to comment Share on other sites More sharing options...
EricJ Posted July 18 Report Share Posted July 18 7 hours ago, RoundTwo said: 1988 J with single landing light in the cowl. I had the cowl off recently and noticed exhaust stain on the inside of the cowl, just below the landing light. Is there any non-destructive procedure that can be employed to seal up the leaking slip joint on the #1 pipe? Both of the other two pipes slip easily and get Mouse Milk routinely. I understand welding is an option but am hoping there may exist a way to pinch or shrink the bell by a few thousandths. Or, stretching the down pipe would be another option. Thoughts? Chuck Some staining is normal there, as well as other places inside the cowl. I just clean the stains off of mine once a year or so. They don't really do any damage. They're just from exhaust leaks at startup before the pipes get hot enough to expand and seal against each other. 3 Quote Link to comment Share on other sites More sharing options...
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