The special tool 9647 is required together · with a torque wrench in order to adjust the

Note The special tool 9647 is required together with a torque wrench in order to adjust the vehicle height. Description under 911 GT3 suspension alignmentin Repair Group 44. Suspension alignment The adjustmentprocedures and valueson the front and rear axle differ in a number of respects from those of the 911 Carrera (996). Adjustment values in Repair Group 44. The suspension alignment -911 GT3 is located behind the suspension alignmentfor 911 Carrera (996). Brakes -General Bleeding and brake fluid change is the same as for 911 Carrera (996). The GT3 is equipped with 3-channelABS without TC (Traction Control). The fastening screws on the front axle brake calipers and the rear axle calipers are 5 mm longer than those on the 911 Carrera (996). Brake unit If the brake unit is replaced, observe correct allocation according to the Spare Parts Catalogue(modified speed ratio and larger piston diameter in the brake master cylinder) compared with the 911 Carrera (996). Important: Boost factor GT3 = 3.15 : 1. 911 Carrera (996) = 3.85 :1. 4 -12 4 Notes on repair instructions -GT3 9964_9 Printed in Germany -25, 1999