Cast Iron Brake Disc 420*40mm Big Brake Disc Rotor Fit For Audi

Brake Rotor Installation

Match the new Brake Performance Rotors to the ones being replaced to insure proper size and fit.
Be sure to replace all brake disks on the same axle.
Inspect calipers, sliders and mounting surfaces. Lubricate all metal to metal contact areas with a lubricant called "Moly Lube".
Make sure that the seating surfaces on brake disk and wheel hub are clean, free of rust and burrs.
Installing old brake pads on new rotors can cause squeaking and damage to the new rotors. Always install new brake Pads.
Actuate brake pedal several times.

Important: As brake rotors are a part of the brake system and such represents safety parts, all respective work must be executed with utmost care. Inappropriate work may lead to total failure of the brake system.

Brake-In Procedure

After installing rotors and pads, start braking procedure by applying brakes from 45mph to 5mph without coming to a complete stop and repeat 10 to 20 times. Drive 2-3 blocks then park and allow rotors and pads to cool to the touch. If pad squeaking occurs, repeat braking procedure.
This procedure allows the material to transfer from the pad to the rotor surface
Avoid excessive or high speed braking for 50 to 100 miles.
Braking performance and effectiveness will be severely reduced if rotors and pads are not properly installed.

Pad Noise and Squeaking
This occurs if the brake-in procedure is not followed.
If existing brake rotors are not turned or cleaned to eliminate the old pad residue.
If the incorrect type of brake pads were ordered for a specific type of vehicle.

Warning: Do not use any cleaning solutions of any kind on Zinc Plated Brake Rotors because this will cause a chemical reaction which will remove the Zinc Coating. Brake Performance will not re-plate or replace any Brake Rotors due to the damage caused by the use of cleaning solutions on Zinc Plated Brake Rotors.

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