CaptainBlue Posted October 3, 2007 Share Posted October 3, 2007 How can you determine when the brake drum needs changing ? Do you measure the thickness and do you need to change all four and brake shoes at the same time. ? Thanks. Quote Link to comment Share on other sites More sharing options...
rtbarton Posted October 3, 2007 Share Posted October 3, 2007 How can you determine when the brake drum needs changing ? Do you measure the thickness and do you need to change all four and brake shoes at the same time. ?Thanks. You measure the internal diameter, the maximum value should be cast into the drum on the outside face. If you don't change all four I'd recommend changing both ends of the axle at the same time. The shoes will probably need changing, for what they cost I'd change them unless virtually new. I'd also compare the price of new drums with having yours machined. Finally go for genuine drums, there have been concerns over ovality and quality of materials on after-market ones. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted October 3, 2007 Share Posted October 3, 2007 I agree wiv Roger Dodger - at least change two on the same axle - best not to turn left or right using just the brakes! Les. Quote Link to comment Share on other sites More sharing options...
CaptainBlue Posted October 3, 2007 Author Share Posted October 3, 2007 Right thanks, never knew the numbers were cast into the drum. Quote Link to comment Share on other sites More sharing options...
Phil Hancock Posted October 4, 2007 Share Posted October 4, 2007 10" diameter(88") max oversize is 10.06" 11" diameter(109" & 1980 on 88" front) max oversize is 11.06" Unless the drums in question are 11" x 3" fronts i would say that for the cost of new its not worth reboring old ones especially on 10" units. Quote Link to comment Share on other sites More sharing options...
sotal Posted October 10, 2007 Share Posted October 10, 2007 Watch out for cheap shoes as well, the britpart ones are pants, the last set I had got binned as they were too big to fit in, and when by force I did get them I couldn't adjust them off, then took me ages to get them off again. Binned them and lesson learnt. ended up getting some mintex ones which were perfect Quote Link to comment Share on other sites More sharing options...
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