Porsche 928 Workshop Manual page 857

928
Differential/Transaxle System
39
ADJUSTING BACKLASH
1. Install pinion with shims Sg determined for
pinion adjustment and tighten bearing re-
taining plate bolts to specified torque.
6. Engine 5th and reverse gears. and hold pinion
with local manufactured tool on reverse gear.
This is done by tightening a screw with a ground
point between two teeth.
2. Place differential in case.
3. Install side cover. placing determined shim
I
m,
""91
"Stotal"
on ring gear end. and tighten all
bolts to specified torque.
4. Turn differential in both directions several
times to settle tapered roller bearings.
5. Install gauges, setting adjustable lever
VW
388 to distance "a" 7 SO mm.
1 - Screw M 8 x 80 (ground point)
2 - Flat iron 60 x 20 x 6 mm
Note
when shift rods are installed the engagement of
two gears will require removal of detent plunge1
for 1st and reverse gear shift rod.
I. Turn ring gear to stop by hand and set dial
gauge at zero.
8. Turn back ring gear and read amount of back-
lash (e.g. 0.88 mm).
Printed in Germany
Adjusting Pinion and Ring Gear 39 - 19