I agree with Phil and the other's. Don't turn rotors unless you really
have too. I "reused" rotors with groves in them, with absolutely no
roblems.
I find if strange that all the ads for "brake jobs" on the TV and newspaper
always include turning the rotors/drums in the price. It seems to be the
standard practice. I guess it will help in the bedding-in of you new brakes
sooner, but at the overall longevity of the rotors/drums - that much less
metal to wear off...
I once had a problem with pulsating brakes on a car still under warrantee.
I could get the pulsating while just using the parking brake, indicating
the rear drums were the problem. I pulled the front wheels, and measured
the run-out, parallelism, etc. and every thing was within spec. (almost
perfect in fact). So, the car went into the dealer. I explained what the
problem was, gave them my measurements, etc. The result? They
turned the front rotors, and I still had the pulsating. By the time it was
all done, they had ground off enough of the front rotors that I had to
buy new ones at about 40,000 miles, along with the rear drums that they
never did fix...
Tim Mullen - who likes to do his own work - so it gets done right...
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