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Recommended sequence for readjusting final drive set > < Adjusting drive pinion and crown wheel

A4 Mk1

Automatic gearbox 01N
Adjusting drive pinion and crown wheel
Adjusting and identification of gear sets
 
N39-0427
  • Identification "1143" signifies Oerlikon gear set with a ratio of 43 : 11.
  • Gear set pairing number (312).
  • Deviation (tolerance) "r" is based on the test machine master gauge used in the production. The deviation "r" is always given in 1/100 mm. Example: "26" signifies
    r = 0.26 mm
  •     Ro -    Length of test machine master gauge used.
  • Ro -Crown wheel = 59.20 mm
 
N39-0427
  •     R -    Actual dimension between crown wheel and face of drive pinion at point with quietest running for this gear set.
  •     Vo -    Hypoid offset

Recommended sequence for readjusting final drive set > < Adjusting drive pinion and crown wheel