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Front Rotors question S90-V90 1998

I recently bought a used 97 S90 in great shape; My first Volvo. Soon afterwards, about 700 hwy miles, I had heavy pulsation in the front end when braking. I turned the front rotors,(The pads looked brand new), and immediately eliminated the problem. Or so I thought.

After 1000 hwy miles (to Florida & back) the same problem returned. It seems obvious that the rotors are thin and must be replaced.

I have worked on a lot of my cars over the years, British, Japanese, Italian, and US. However, there is a device on each caliper which seems to be driven by gear-teeth on the inside of the rotors. What is this device?

The rotors at a couple of local shops do not have the geared-teeth on them. Are they crucial and where can proper ones be obtained ? (Besides a dealer)

Thanks,

Luis






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New Front Rotors question [S90-V90][1998]
posted by  Luispad  on Wed Aug 27 09:55 CST 2003 >


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