Adjusting Backlash - Porsche 928 Workshop Manual

39
Differential/Transaxle System
928
ADJUSTING BACKLASH
1. Place shims determined for pinion adjust-
ment between transmission case and final
drive case. Install final drive case and
tighten all mounting bolts to specified
torque of 46 Nm/33 ftlb.
2. Install differential in case.
3. Install side transmission cover, using total
shim thickness "Sges" as determined on
ring gear end and tighten all hexagon
bolts to 23 Nm/17 ftlb.
4. Turn differential in both directions several
times, to settle tapered roller bearings.
5. Install measuring tools. Set Special Tool
VW 388 to distance "a" = 80 mm.
6. Engage parking lock.
7. Turn rinq oear carefully by hand against
__
stop and set dial gauge to zero.
Hold drive pinion with locally made hook
and turn back ring gear carefully. Read
and note amount of backlash.
Hook made locally from flat iron 30 x 5 mm
39-134 Adjusting Drive Pinion and Ring Gear
Printed in Germany