Porsche 911 TURBO - 1989 Workshop Manual page 26

CHECKING WHEEL BEARING PLAY
1. Remove wheel and take off brake liners.
2. Secure dial gauge holder with dial gauge
to rear axle trailing arm or strut.
3. Check axial play.
Adjust play if it is more than 0.05 mm
(see page 42 -13).
Printed in Germany