Installing front brake disc

Do not confuse right and left brake discs during assembly!

Distinguishing characteristic: Part No.! The flat surface of the brake discs is marked with R = right or L = left.

1. Check that all parts are in perfect condition and replace them if necessary.

2. Clean the levelling and centering surfaces on the brake disc and wheel hub. Then apply a very thin coat of Optimoly TA to the centering surface on the wheel hub.

Fig 1: Brake disc and fastening screw

Courtesy of PORSCHE OF NORTH AMERICA, INC.

3. Fit the brake disc. Observe correct tightening torque → 46 TW Tightening torques for brake mechanics - as of MY 2003 (All Models Except Cayenne S TIO Titan) .

4. Fit the brake caliper. Replace the brake caliper fastening screws after each removal. Observe correct tightening torque → 46 TW Tightening torques for brake mechanics - as of MY 2003 (All Models Except Cayenne S TIO Titan) .

5. Install retainer for plug of wear indicator on wheel carrier.

6. Connect the speed sensor on the ABS sensor.

7. Position disc brake pads by operating the brake several times.

Fig 2: Brake fluid reservoir

Courtesy of PORSCHE OF NORTH AMERICA, INC.

8. Check brake fluid level and correct if necessary. The brake fluid level must lie within the MAX - MIN marking. See Fig 2.