Installing Rear Disc Brake Pads
- Longer braking distance
- More wear on brake pads
→ Only use the type-specific brake pads listed in the Porsche Spare Parts Catalogue.
→ Replace the brake pads when the brake pad wear indicator light comes on, but no later than when there is a residual pad thickness of 2 mm on each axle.
→ Replace the brake discs on each axle as soon as the brake pad wear limit is reached.
- Reduced braking effect
- Risk of damage to the brake calliper
→ Fit new pad retaining springs
When replacing the brake pads, always pay attention to the following:
- The back of the pad backing plates must not be greased .
- Pull off any protective film on the back of the pad backing plates .
- Check brake discs for wear. For details of wear limits , see → 465302 CHECKING REAR BRAKE DISCS (WEAR ASSESSMENT) .
- Disc brakes must be clean and free of grease .
- The core of the warning contact line must not be exposed! Worn insulation is not important .
- Use a new repair kit (only replace the brake pads on the same axle) .
- Installation is performed in reverse order. Pay particular attention to the following:
- Check that all parts are in perfect condition (visual inspection) and replace them if necessary.
- Fit new pad retaining brackets.
- Make sure that the disc brake pads are seated correctly in the pad retaining brackets -arrows -.
Seating of disc brake pads
The brake piston must not tilt when pressed back.
- Press brake piston back to its end position using piston resetting appliance T10145 -1 - before fitting.
Pressing back brake piston
Make sure that the brake hose and electric line are clipped in and secured correctly in the combination holder at the wheel bearing housing so that the brake hose and electric line cannot come out of the holders.
- Clip brake hose dry (without using sliding compound) into the holder at the wheel bearing housing.
- Observe specified tightening torques:
Brake calliper to calliper carrier: Tightening torque 35 Nm (26 ftlb.)