Found several comments under "SEARCH" with good ideas. Bought 05 Heritage and changing fluids lot of case material came out with trans drain plug. I retapped and run a die on plug. Currently the temp fix is working but know 3-4 threads left are weak. Saw where thread sert used to fix vs helicoil. I've ordered thread sert system. I need thoughts how to prevent filings from getting up inside or remaining up inside the case. Use grease on tools to collect? That a good idea did it work? Cogger up a plug for filler hole and use reduced air pressure to pressurize trans. I saw where others flushed. I can not get my arms around how that whould work unless you can get all the way around bottom of trans. Maybe overfill with very light oil? Run level on jack then pull drain plug? Maybe those fine aluminum chips or filings won't hurt anything. Thanks in advance. All ideas appreciated since I really do not want to remove trans to do this.