911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Brake Fluid: Service and Repair
Changing The Brake Fluid
Important notes
Use only new DOT 4 brake fluid. Observe correct fluid change intervals and fluid grade.
Total brake fluid quantity for brake fluid change approx. 1.6 liters.
The brake fluid change interval has been set to 3 years in conjunction with the use of a special DOT 4 brake fluid.
This brake fluid is already being used on other Porsche vehicles - as of MY '93 - and is available under the following Part Nos.
(valid Nos. as of February, 1995):
Contents 1 liter 000.043.202.09
Contents 30 liters = 000.043.202.66
Brake Fluid Change Procedure
Important notes
Depressurize booster circuit before changing the brake fluid.
Do not depressurize by actuating the brake pedal but rather at the bleeding valve of the pressure accumulator. This will allow part of the old brake
fluid to be drained.
Caution: Start by filling the accumulator completely (with ignition key in position 1, actuate brake pedal until pump starts to run). After the pump has
switched off, pull off electrical connector and release pressure completely from accumulator vent valve. Open bleeder valve slowly and keep
bleeder hose in place.
Caution: A pressure of up to 180 bar is present in the system.
Wear goggles and protective gloves!
To allow the brake fluid to be changed in a rapid and practical manner, a filling and bleeding device should be used.
If the booster circuit has not been depressurized completely, do not actuate the brake pedal while the bleeder device is connected.
Changing the brake fluid: 1st step
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With the booster circuit depressurized, top up with fresh brake fluid to upper edge of reservoir. Connect bleeder device to reservoir.
Overflow hose (block vent with hose clamp).
Switch on bleeder device. Bleeding pressure: approx. 1.5 bar.
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Use a recipient bottle to allow the escaping brake fluid to be checked accurately for cleanliness and freedom from bubbles and to determine the
quantity of brake fluid used.
Fluid change quantity per wheel: approx. 250 cc.
Bleed at both bleeder valves on each wheel.
Changing the brake fluid: 2nd step
