Brakes -Brake mechanics 911 Carrera (996) · 6. If the brake disc lateral runout exceeds 8. Wheel hu

Brakes -Brake mechanics 911 Carrera (996) 6. If the brake disc lateral runout exceeds 8. Wheel hub lateral runout is too large: 0.06 mm, remove the brake disc and check Replacethe wheel hub. the wheel hub lateral runout. First mark Wheel hub lateral runout OK: the position with respect to the wheel hub. Cleanthe levellingand centring surfaces on the brake disc and wheel hub. Next, apply a thin coat of OptimolyTA to the centring 7. Check the wheel hub lateral runout as surface on the wheel hub. described below: Fasten brake disc on the wheel hub in a Measure1 x outside (arrow) and 1 x inside different position than before -radially offset (arrow) of the wheel bolt area (5-point with respect to the wheel hub. measuring procedure) on the front face Repeatmeasurementwith fitted adapter plate of the wheel hub. -special tool 9510jl. Fastenthe dial gauge using a commercially If the lateral runout is still greater than availableuniversaldial gauge holder (refer to 0.06 mm, replace the brake disc. Workshop EquipmentManual2.4, No. 147-1). Note Note If the brake disc lateral runout was reduced by The universaldial guage holder can also be radial offset of the brake disc with respect to used to check the brake disc lateral runout. the wheel hub, one M 6 screw can be omitted if two M 6 countersunk screws were present. Measuring the brake disc thickness tolerance Measurethe brake disc thickness within the braking surface at approx. 8 points by using the micrometer. Thicknesstolerance of the brake disc max, 0,02 mm (new condition: max. 0.01 mm). 582_97 46 -28 46 53 04 Measuring the rear brake disc lateral runout