Replacing front disc brake pads
WARNING: This page is about a different car, the 2018 Porsche Macan and 2017 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Installation of brake pads with the wrong brake pad quality
- 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.
NOTE:
- To gain better access for removal of the brake calliper, turn the steering fully either to the right or left .
- Remove line for brake pad wear indicator -1
-.
Wire harness for brake pad wear indicator
- 1.1. Release and unplug electric plug connection -2 -.
- 1.2. Remove electric connector -2 - from the holder.
- 1.3. Loosen line for brake pad wear indicator from holder -3 -.
- 1.4. Disconnect contact for brake pad wear indicator -4 - from the brake pad.
NOTE: Removal of brake calliper- Paint defects on brake calliper
→ Proceed with care when setting back the brake pads.
→ Protect brake calliper from paint defects using a suitable cloth.
- Press back brake pistons with brake pads installed using piston resetting appliance T10145
(position piston resetting appliance on the backing plates of the installed brake pads).NOTE:
- Make sure not to scratch or damage the paint on the brake calliper .
- The pad retaining spring is tensioned .
- Carefully press pad retaining pins out of the brake calliper from the outside in using a punch.
Pad retaining pins
- Remove brake pads and pad retaining spring from the brake calliper.WARNING: Old mounting parts fitted on the brake calliper
- Reduced braking effect
- Risk of damage to the brake calliper
→ Fit new pad retaining springs
→ Fit new fastening screws
- Replace pad retaining spring.
- Clean the brake calliper. Brake pistons must be free of adhesive residues!
- Pull protective film off the backing plate on the new brake pads.NOTE:
- The direction arrow on the brake pads must be pointing in rolling direction .
- The brake pad with the brake pad wear cable must be on the inside .
- Fit brake pads into the brake calliper.NOTE: The pad retaining pin must be seated securely in both bores so that it can no longer loosen by itself.
- Fit pad retaining pins -1 and 3
- and pad retaining spring -2
-.
Pad retaining pins and pad retaining spring
- 9.1. Press pad retaining pin -1 - through the bore in the brake calliper from the inside out. Press pad retaining pin as far as it will go using a punch if necessary.
- 9.2. Engage pad retaining spring -2 - on the upper pad retaining pin and tension it (in order to fit pad retaining pin -3 -).
- 9.3. Press pad retaining pin -3 - through the bore in the brake calliper from the inside out. Press pad retaining pin as far as it will go using a punch if necessary.
- Fit line for brake pad wear indicator -1
-.
Wire harness for brake pad wear indicator
- 10.1. Secure line for brake pad wear indicator at the holder -3 -.
- 10.2. Connect and lock electric plug connection -2 -.
- 10.3. Secure electric connector -2 - at the holder.