Maintenance 911 Carrera (996) · Seat belts -GT3 Procedure for changing brake

Maintenance 911 Carrera (996) Seat belts -GT3 Procedure for changing brake fluid -Fill up the brake fluid reservoir with new Check function and condition brake fluid up to its top edge. Connect a bleeding device to the brake fluid Functional inspection: reservoir. Switch on the bleeding device. It must be possible to smoothly unroll the belt Bleeding pressure approximately 1.5 bar. strap from the belt retractor via the deflector Continuewith the brake fluid change atfitting by pulling evenly, and the tongue of the the brake calipers (no particular tyre seat belt must engage audibly in the buckle. An abrupt pull on the belt strap must lock the belt sequence). Open every bleeder valve until clear,retractor. bubble-freebrake fluid emerges and until Condition inspection: the corresponding change quantity per brake caliper is reached (approximately250 cm3).The belt strap must undergo a visual inspection It must be noted that bleeding takes placefor damage. If it displays evidence of damage at both bleeder valves on each caliper.in the form of cuts, fraying, seam tears etc., the seat belt must be replaced. Use a collecting bottle to accurately check the escaping brake fluid for cleanliness,lack of air bubbles and to determine the brake fluid used. Some brake fluid is also drained off at the Changing the brake fluid -GT3 bleeder valve of the clutch slave cylinder (vacuum brake booster) (approx. 50 cm3), Important notes Use only new DOT 4 brake fluid. Observe the change interval and the brake fluid quality. Total brake fluid change quantity approx. 1 litre. The brake-fluid change interval is 2 years in conjunction with the Super DOT 4 brake fluid. 03 -46 03 20 00 Maintenance -GT3 9960327 Printed in Germany -25, 1999