47 08 55 Changing brake fluid (vehicle with PSM) · Important notes Continuebleeding at th

911 Carrera 4 (996) Bra~,es -Hydraulics, regulator, booster 47 08 55 Changing brake fluid (vehicle with PSM) Important notes Continuebleeding at the brake calipers Use only new DOT 4 brake fluid. (no special sequence). Open each bleeder valve until clearI Observe the change interval and bubble-freebrake fluid emerges or the brake fluid quality. the appropriate change quantity per Total brake fluid change quantity brake caliper has been reached approx. 1 litre. (approximately250 cm3). Make sure The brake-fluid change interval is 2 years that brake fluid is drained at both in conjunction with the Super DOT 4 brake bleeder valves on each brake caliper. fluid. Use a collecting bottle to accuratelycheck This brake fluid is available under the following the escaping brake fluid for cleanliness, part numbers: Container volume 1 litre = 000.043.203.66 lack of air bubbles and to determine Container volume 30 litres = 000.043.203.67 the brake fluid used. Some brake fluid is also drained off at Procedure for changing brake fluid the bleeder valve of the clutch slave cylinder (approx. 50 cm3), -Fill reservoir to its top edge with new brake fluid. Connect a bleeding device to Switch off and disconnectthe bleeding the brake fluid reservoir. device. Correct the brake fluid level Switch on the bleeding device. Bleeding if necessary. pressure approximately 2.0 bar. / / / / /'/ / / / / / ! 189_~96 682_~96 47 08 55 Changing brake fluid (vehicle with PSM) 47 -105 Printed in Germany. 15, 1998 C4_47101 ~,/I