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Removing and installing flange shaft (right-side) > < Renewing oil seal for selector shaft

A3 Mk2

Exploded view - flange shafts, oil seals
   
Exploded view - flange shafts, oil seals
1 - Hexagon nut
q   For output flange
q   Renew → Electronic parts catalogue
q   480 Nm
2 - Output flange on bevel box
3 - Output flange cap
q   Renew only if damaged
4 - Oil seal
q   For output flange on bevel box
q   → Chapter „Renewing oil seal for output flange on bevel box“
5 - Oil seal
q   Between gearbox and bevel box
q   → Chapter „Renewing oil seal between gearbox and bevel box (on bevel box)“
6 - Bevel box
q   Removing and installing → Chapter
7 - Oil drain plug
q   For bevel box
q   Tightening torque → Chapter
8 - Oil seal
q  
9 - Filler and inspection plug
q   For bevel box
q   Tightening torque → Chapter
10 - Bolt
q   Secures bevel box to gearbox
q   4x
q   Renew
q   40 Nm + 45°
11 - Breather pipe
12 - Breather cap
13 - Countersunk bolt
q   Renew
q   30 Nm
14 - Flange shaft (right-side)
q   → Chapter „Removing and installing flange shaft (right-side)“
15 - Oil seal
q   Always renew after removing flange shaft (right-side)
16 - Needle bearing
q   Needle bearings (polygon bearings) do not turn easily when flange shaft is removed; this does not indicate a faulty bearing. A test for noisy bearings can only be performed with the bearings installed
q   Inspect for signs of damage to bearings (such as cracking in outer race); renew if necessary
q   → Chapter „Renewing needle bearings (polygon bearings) for flange shaft (right-side)“
17 - Needle bearing
q   Needle bearings (polygon bearings) do not turn easily when flange shaft is removed; this does not indicate a faulty bearing. A test for noisy bearings can only be performed with the bearings installed
q   Inspect for signs of damage to bearings (such as cracking in outer race); renew if necessary
q   → Chapter „Renewing needle bearings (polygon bearings) for flange shaft (right-side)“
18 - Circlip
q   Renew

   
Bracket for bevel box on vehicles with 4-cylinder 2.0 ltr. TFSI engine: tightening torque and sequence
–  Tighten bolts in 3 stages as follows:
1 - Screw in bolts -1- (hand-tight).
2 - Tighten bolts -2- to 40 Nm.
3 - Tighten bolts -1- to 40 Nm.
  A34-10106
Bracket -A- for bevel box on vehicles with 6-cylinder 3.2 ltr. engine: tightening torque and sequence
–  Tighten bolts in 4 stages as follows:
1 - Screw in bolts -1- and -2- hand-tight.
2 - Pre-tighten bolts -1- to 3 Nm.
3 - Tighten bolts -2- to 40 Nm.
4 - Tighten bolts -1- to 40 Nm.
  A37-0655
Heat shield for drive shaft to bevel box: tightening torque
–  Tighten bolts -arrows- to 20 Nm.
  A39-0277

Removing and installing flange shaft (right-side) > < Renewing oil seal for selector shaft