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Brakes Pulsing, Again. At a Loss 900 1993

Did you clean the rotors with brake cleaner? They come coated with oil to keep them from rusting while in storage. This oil must be removed with brake cleaner for proper operation. Also, don’t touch the rotors with greasy hands – or if you do, clean finger prints off.

Breaking-in or ‘seating” pads properly does not involve light braking for the first few hundred miles… in fact, just the opposite.

When you install new pad and/or rotors, you should drive to a secluded road, get the car up to 45-50 mph, and brake HARD (and I mean HARD) down to about 5 mph. (do not stop – you don’t want the pads sitting on one spot on the rotors) Repeat this process 5 times. The idea is to get the pads and rotors HOT – REALLY HOT! When you can smell the brakes getting dangerously hot, you’re doing it right!

As Spook said, torque the wheels to 63 lbs. (it’s stamped right into the cap on the front hubs) 80 lbs is too much. And uneven torque is even worse. Use a torque wrench.

Good luck.

Jeff Pierce
--
'93 945 Turbo ( one kickass family car ! ), '92 Mercedes 190E (my daily driver), '53 Willys-Overland Pickup (my snow-plow truck/conversation piece -- sold to a loving home), '85 Jeep CJ-7 w/ Fisher plow






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