audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing transfer gear > < Changing gear oil in transfer gear or filling after repair
Automatic Gearbox 01VFWD and 4WD
Servicing transfer gear
Servicing transfer gear
 
G39-0042

Gearbox installed

Special tools, testers and auxiliary equipment required

  • ◆ Thrust plate VW 401
  • ◆ Press tool VW 412
  • ◆ Thrust plate VW 402
  • ◆ Thrust pad VW 454
  • ◆ Press tool VW 407
  • ◆ Sleeve 30-21
 
G39-0043
  • ◆ Sleeve 40-20
  • ◆ Thrust pad 3118
  • ◆ Item 3 Separating tool Kukko 17/2
Important:
Do not run the engine or tow the vehicle if the transfer gear is removed or if the gear oil has been drained from the gearbox.

Notes:

  • ◆ Rules for cleanliness when working on the automatic gearbox .
  • ◆ General repair instructions => Page 00-34.

The parts shown in the following illustration can be removed with the gearbox installed.

 
A39-0093
  • Hexagon socket-head bolt
    - 25 Nm
  • Flange shaft, rear
  • Sealing ring
    • ◆ Replacing => Page 39-61.
  • Release and tighten bolt - 23 Nm
    • ◆ 4 pieces
  • Housing cover
  • O-ring
    • ◆ Lubricate with gear oil
  • Circlip
  • Grooved ball bearing
    • ◆ For spur gear 1
    • ◆ Pressing off
      => Fig.39-55
    • ◆ Pressing on
      => Fig.39-55
 
A39-0093
  • for spur gear 1
    • ◆ For rear final drive set
    • ◆ If damaged, always renew together with spur gear 2 -17- Replace
    • ◆ To remove and install pull out towards rear together with -7- and -8- from transfer gear housing
  • Circlip
  • Needle bearing
    • ◆ For spur gear 1
    • ◆ Only remove bearing in order to renew
    • ◆ To replace, heat transfer gear housing to approx. 100 °C and drive out needle bearing to rear with drift (Warning: Wear protective gloves)
    • ◆ Drive in up to stop using sleeve 30-21
 
A39-0093
  • Release and tighten bolt - 23 Nm
    • ◆ Loosen and tighten in diagonal sequence
  • Transfer gear housing
  • Tensioning nut
    • ◆ For rear flange shaft
      -2-
  • Needle bearing
    • ◆ For spur gear 2
    • ◆ Only remove bearing in order to renew
    • ◆ Replacing => Page 39-69.
  • Circlip
  • for spur gear 2
    • ◆ For rear final drive set
    • ◆ When damaged, always renew together with spur gear 1 -9-
    • ◆ To remove and install, dismantle transfer gear housing => Page 39-57 and pull out together with - 18, 19, 23-
 
A39-0093
  • Grooved ball bearing
    • ◆ For spur gear 2
    • ◆ Pressing off
      => Fig.39-56
    • ◆ Pressing on
      => Fig.39-56
  • Circlip
    • ◆ For securing grooved ball bearing -18- in transfer gear housing
  • Washer
    • ◆ For groove ball bearing -Item 18-
    • ◆ Before installing, clip on alignment plate -21-
  • Alignment plate
  • Release and tighten bolt -10 Nm
  • Circlip
    • ◆ To secure grooved ball bearing -18- on spur gear 2 -17-
 
A39-0093
  • Gasket
    • ◆ Replacing => Page 39-57.
  • Torsen differential
    • ◆ Renew complete if damaged
    • ◆ Removing and installing
  • Sealing ring
    • ◆ Replacing => Page 39-65.
  • Solenoid
    • ◆ Removing and installing
  • Dowel sleeve
    • ◆ 2 pieces
  • Breather
    • ◆ For transfer gear
    • ◆ Cap is fitted on breather
    • ◆ Installation position: Breather must protrude 10 ... 11 mm from housing without cover
 
A39-0093
  • Release and tighten bolt - 23 Nm
    • ◆ Observe the tightening sequence
  • Intermediate drive for front axle drive
  • Gasket
    • ◆ Replacing => Page 39-24.
  • Dowel sleeve
  • Input pinion
    • ◆ For front final drive
    • ◆ Removing and installing
  • Intermediate pinion
    • ◆ For front final drive
    • ◆ Installation position: gear identification faces towards transfer gear
 
A39-0093
  • Output pinion
    • ◆ For front final drive
    • ◆ Installation position: gear identification faces towards transfer gear
  • Sealing ring
    • ◆ Replacing => Page 39-67.
 
A39-0228

→ Fig1    Pressing off grooved ball bearing for spur gear 1

  •     A -    Separating device 22 ... 4.53 in, e.g. Kukko 17/2

 
A39-0229

→ Fig2    Pressing on grooved ball bearing for spur gear 1

 
A39-0226

→ Fig3    Pressing off grooved ball bearing for spur gear 2

  •     A -    Separating device 22 ... 4.53 in, e.g. Kukko 17/2

 
A39-0227

→ Fig4    Pressing on grooved ball bearing for spur gear 2

Removing and installing transfer gear > < Changing gear oil in transfer gear or filling after repair