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Home >> Porsche >> 2021 >> Panamera Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (46 Brakes - Brake Mechanism 3.0L Turbo -- 971 - PANAMERA (971)) >> WM, 465319 Removing And Installing Rear Brake Disc >> Installing Rear Brake Disc

Installing Rear Brake Disc

WARNING: This page is about a different car, the 2020 Porsche Panamera, 2019 Porsche Panamera, 2018 Porsche Panamera, and 2017 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Information 

Do not confuse left and right brake discs during installation!

Distinguishing feature: Part number! The flat surface of the brake discs is marked with R = right or L = left!

  1. Only when re-using brake discs: 

    Check thickness of rear disc brake pads.

    > WM, 463802 CHECKING REAR DISC BRAKE PADS 

  2. Only when re-using brake discs: 

    Check rear brake discs (wear assessment).

    > 465302 CHECKING REAR BRAKE DISCS (WEAR ASSESSMENT) 

  3. Clean the levelling and centering surfaces on the brake disc and wheel hub.
  4. Apply a very thin coat of Optimoly TA to the centering surface on the wheel hub.
  5. Further installation is performed in reverse order.
  6. Screw in and tighten brake disc screws > Tightening torque 5 Nm (3.5 ftlb.) 
  7. Reset disc brake pads using > 9472 - brake piston resetting fixture  .
  8. Screw in and tighten brake calliper screws.

    > Initial tightening 20 Nm (15 ftlb.) 

    > Final tightening torque angle + 70° 

  9. Cancel brake pad change mode using > 9900 - PIWIS Tester 3  .
    1. 9.1 Select → 'Brake electronics (PSM, incl. parking brake)'  in the 'Control unit overview'  and press F12 confirm your selection.
    2. 9.2 Select 'Cancel brake pad change mode'  under 'Drive links/checks'  and start the procedure.
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