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Rear Disc Brake Pad Replacement
In message <firstname.lastname@example.org> Jad Duncan writes:
> Correct me if it different on your car, but just this weekend I replaced
> the pads all around on my 90q. The front are quite easy and the back were
> a nightmare. The good news is that once I figured out the system it wasn't
> that bad for the second wheel. The only problem I had is that the
> ^%(*^(*&^ piston would not retract back into the caliper. After much agony
> I took the whole brake apart and dismantled it to see what the problem was.
> Turns out that on the rear caliper you need to screw the piston back into
> the caliper.
I got trapped with dead pads one weekend and _had_ to change the rears without
the special tool.
I made one from the bar that clamps a television aerial onto a mast. These
things are fitted with wing nuts - I took a rod out of a clamp, dropped one
wing nut into the channel on the bar, and wound the other one on the other
end. This fitted nicely into the caliper to exert pressure on the piston while
I turned it with a pair of thin-jawed water pump pliers.
Committee Member, UK Audi [ur-]quattro Owners Club