Mike, Your 8mm tap should be fine if what you currently have is a stripped 7mm hole. Just make sure you take your time with it, and move it back and forth (dont put it in a drill) to allow the shavings to clear. Matt #1604 --- In dmcnews@xxxxxxxxxxxxxxx, "Mike" <mike.bosworth@xxxx> wrote: > Hi > > I need to retap the lower AC belt / pulley arrangement, the threads > on the lower 7mm hole are stripped and hence as i cant tighten this > enough i have a slight weep from the blanking plate / gasket behind. > > I have never retapped a hole and whilst i have purchased a new tap > and dye set there are no instructions / advice on how to do this.? > > Thinking of putting in a 8mm thread for a new bolt, will i need to > redrill the hole or am i ok using the existing....... > > Thanks All > > Mike > #2001 To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/