4 Notes on repair instructions · General Anti-lock brake system (

911 Carrera 4 (996) Running gear 4 Notes on repair instructions General Anti-lock brake system (Rep. Gr. 45) The 911 Carrera (996 rear-wheeldrive) is the PSM is standard in the 911 Carrera 4 (996). basic model covered by the repair, assembly The anti-lockbrake system (ABS)is a and adjustmentoperations described. This component of the entire PSM control means that in the Technical Manual(Repair) system (Porsche StabilityManagement). "911 Carrera 4" (after the separation sheet), Therefore the labour operations relevant only procedures involving the 911 Carrera 4 to PSM are described in the Rep.Gr. 45 are described. -after the separation sheet / for the 911 Carrera 4. Tightening torques Brake hydraulics (Rep. Gr. 47)Tighteningtorques for the 911 Carrera (996) and 911 Carrera 4 (996) are almost the same. Bleedingthe brakes is described in Tighteningtorques that deviate or are additional the 911 Carrera 4 since the PSM is are contained in the tables of the appropriate standard for the 911 Carrera 4 (996). Repair Group for the 911 Carrera ServoNo. 41 01 07/ Bleedingthe (996 rear-wheeldrive). brakes (vehiclewith PSM). Suspension alignment (Rep. Gr. 44) The adjustmentprocedures and values on the front and rear axle are the same as for the 911 Carrera (996 rear-wheeldrive). The following is new: After a wheel alignment adjustment the steering angle sensor must be calibrated with the Porsche System Tester 2. This is required because the Porsche Stability Management(PSM)is standard in the 911 Carrera (996). PSM is an automatic control system to stabilise the vehicle in extreme driving situations. 4 Notes on repair instructions 4 -101 Printed in Germany -15, 1998 C4_4_101