39-168
Adjusting backlash
Position of ring gear in final drive housing
Pinion shaft with shim S3 installed
Differential with shims S1* + S2* installed
- Insert differential into final drive housing, install
final drive cover and tighten all bolts to 25 Nm
(18 ft lb).
- Turn differential 5 turns in both directions to
settle tapered roller bearings.
- Assemble measuring equipment.
- Use VW382/10 dial indicator extension (6 mm flat).
- Set VW388 measuring lever to dimension -a-
Dimension -a-: 60 mm.
- Determine play between teeth flanks as follows:
- Turn ring gear until it makes contact with tooth flank (end of backlash
travel).
- Set dial indicator to "0"with 1 mm preload.
Pa
ge 26 of 31 Final drive
gear set, recommended se
quence for ad
justin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.39.18
39-172
Checking measurements
Notes:
Pinion shaft with shim S3 installed Differential with shims S1 + S2 installed
- Turn differential 5 turns in both directions to settle tapered roller
bearings.
- Measure backlash four times on circumference.
Specifications: 0.12-0.22 mmIf the backlash lies outside the tolerance, the adjustment must be
repeated, but the total shim thickness Stotal must remain unchanged. The individual measurements must not differ by more than 0.06 mm
from each other.
Pa
ge 31 of 31 Final drive
gear set, recommended se
quence for ad
justin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.39.18
