Join Date: Apr 2002
Location: Dandridge (Near Knoxville), TN, USA
Re: New Clutch Time
Slave cylinder failure is a VERY common problem with these bikes. Very many of us have drilled a drain hole in the transmission boss where the slave cylinder mounts to prevent future failures from conatminating the clutch. Many posts here through the years, some with pictures explaining the procedure. I was the first to do it and post about it when my slave failed the second time. SOME enlightened dealers have drilled the hole when asked, seeing the soundness of the idea. Others however will parrot the "Not a BMW approved procedure" and refuse to do so.
You can search for "slave drain hole", or "weep hole" to find posts related to this.
I do not like the "weep hole" designation, as a weep hole is typically a very small hole to take care of very small leaks. When the slave fails, a LOT of fluid can be pumped out very quickly and would overcome a small hole and still be pumped into the clutch area. We typically use a 5/32" to 3/16" hole in the bottom of the slave mounting boss on the transmission.
I don't want to achieve immortality through my work...I want to achieve it through not dying.
EX: '01 Black LT, BAT BYKE (Totaled at 110,000 miles)
IBA SS, BB, BBG, 10/10ths.
No bike now, but maybe in the future.