Changing Brake Fluid

Information 

• The brake fluid level must not exceed the MAX marking. 
• Check brake fluid quality. Only use new BASF Hydraulan 404 brake fluid. 
• Brake fluid can be ordered using the Porsche Electronic Parts Information (PET). 

1. Unscrew cap on the brake fluid reservoir, connect > VAS 6860 - Brake filling and bleeding device  with suitable adapter and switch it on.
2. Set the bleeding pressure to 2.0 bar.

   Information 

   • To check the escaping brake fluid, ensure absolute cleanliness and make sure there are no air bubbles. 
   • A transparent hose and a collecting bottle must be used to determine the amount of brake fluid used. 
3. Change the brake fluid at the brake callipers in the following sequence: rear right/rear left/front right/front left.
   1. 3.1 Open each bleeder screw in the specified sequence for as long as required until clear, bubble-free brake fluid emerges.

      Then close the bleeder screw again.

   2. 3.2 Tighten each bleeder screw.

      Front bleeder screws: 

      > Tightening - torque 14 Nm (10.5 ftlb.) 

      Rear bleeder screws: 

      > Tightening - torque 10 Nm (7.5 ftlb.) 

4. Pull off breather hose.
5. Turn off > VAS 6860 - Brake filling and bleeding device  and unscrew the adapter on the reservoir.
6. The brake fluid level in the reservoir must be between the MIN and MAX markings -Arrow-  after changing the brake fluid.

   Correct the brake fluid level if necessary.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Brake fluid level

7. Close the cap on the reservoir tightly.
8. Start the engine and create a vacuum in the brake booster. Check brake pedal travel and pedal feel, if necessary, bleed the brake system.

   > 470107 - BLEEDING THE BRAKE SYSTEM