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Renewing needle bearing for spur gear 2 > < Renewing oil seal in intermediate flange for front axle drive

A4 Mk1

Renewing oil seal in input pinion
Renewing oil seal in input pinion
  Note
   
An inspection drilling -arrow- is provided on the left side of the intermediate flange to check for oil leaks at the oil seal in the input pinion and the oil seal in the intermediate flange.
  A39-0097
Procedure
–  Remove transfer box → Automatic gearbox 01V, front-wheel drive and four-wheel drive; Rep. Gr.39.
  A37-10254
–  Remove intermediate flange for front axle drive → Automatic gearbox 01V, front-wheel drive and four-wheel drive; Rep. Gr.39.
  Caution
The intermediate pinion -1- and pinion gear -3- must be re-fitted in the same position to make sure the direction of rotation is maintained.
–  Mark installation position of intermediate pinion -1- and pinion gear -3-.
–  Take off pinion gear together with intermediate pinion; at the same time pull input pinion -2- slightly towards the rear.
–  Remove input pinion -2-.
–  Knock out oil seal using a punch.
  A37-10255
–  Slide oil seal onto thrust piece -3403-.
–  Drive in oil seal with thrust piece -3403- until thrust piece reaches stop.
  Note
Ignore -item A- and -item B-.
  A39-0096
–  Cover splines on end of input shaft -arrow- with insulating tape to prevent damage to oil seal when pushing on input pinion. Take care to cover the splines completely, without creasing or overlapping the tape.
–  Install intermediate flange for front axle drive → Automatic gearbox 01V, front-wheel drive and four-wheel drive; Rep. Gr.39.
–  Install transfer box → Automatic gearbox 01V, front-wheel drive and four-wheel drive; Rep. Gr.39.
–  Check ATF level in planetary gearbox and top up as required → Automatic gearbox 01V, front-wheel drive and four-wheel drive; Rep. Gr.37.
  A39-0098

Renewing needle bearing for spur gear 2 > < Renewing oil seal in intermediate flange for front axle drive