Adjusting backlash Audi A8 D3 рестайлинг

Adjusting backlash

1. Drive pinion with shim "S3" installed
2. Differential with shims "S1*" + "S2*" installed

1. Insert differential in final drive housing, install cover and tighten all bolts to 25 Nm.
2. Turn differential 5 turns in both directions to settle tapered roller bearings.

Scheme 98

1. Assemble measuring equipment.
2. Use dial gauge extension VW 382/10 (6 mm flat).
3. Set measuring lever VW 388 to dimension "a" = 60 mm.
4. Determine play between teeth flanks as follows

1. Turn ring gear until it makes contact with a tooth flank (end of backlash travel).
2. Set dial gauge to "0" with 1 mm preload.
3. Turn ring gear back until it lies against an opposite tooth flank (backlash).
4. Read backlash and note value.

1. Turn ring gear through 90° and repeat measurements a further 3 times.