>My question concerns the bore of the master cylinder. When I did the brake,
>it looked wonderful, smooth and shiny, like a clean shotgun barrel. My
>local guru says I should have run some fine(!) sandpaper around inside the
>bore to clean out any undescribed glaze. (BTW I'm told that a hone is too
>hard, it will eat the aluminum.) He feels that the brake will need to be
>redone sooner than later since I didn't do that. Now that I am getting
>ready to do the clutch (it's out of the car on the kitchen counter) does
>anyone have comments for me on pros or cons of cleaning the bore?
>John Hess, PhD Phone me 916 752 8420
For aluminum bores, I use scotch brite with some brake fluid. It's
abrasive enough to get rid of the glaze but it won't damage the bore.
Get a long, large, cotter pin, put a piece of scotch brite in the
middle, stick it in a drill and run it in and out of the bore. Just be
careful not to hit the bore with the cotter pin. A good permanent fix
for aluminum bores is getting them brass sleeved, about $50. I know
Apple Hyd does it plus a few others.
Mike
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