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Removing and installing reverse gear wheel > < Dismantling and assembling pinion shaft
5-Speed Manual Gearbox 012/01W Front-wheel Drive
Dismantling and assembling pinion shaft
Reinforcements from 08.98 > (as of gearbox build date 17 08 8) in the area of the 4th gear wheel
 
A35-0011

→ The following components are affected by this modification:

1 - Pinion shaft

    • ‒ Distinguishing features => Fig.1

2 - 4th gear wheel

    • ‒ Distinguishing features => Fig.2

3 - Circlip

    • ‒ Distinguishing features => Fig.2

4 - Needle roller bearing

    • ‒ Distinguishing features => Fig.3

5 - 5th speed sliding gear

    • ‒ Distinguishing features => Fig.3

Notes:

  • ◆ Never mix up components from gearboxes with reinforced 4th gear with components from gearboxes without reinforced 4th gear. Part allocation:

=> Parts List

  • ◆ Dismantling and assembly of the new parts is carried out as described in the Workshop Manual.

 
A35-0012

→ Fig.1    Distinguishing features of the pinion shafts

Pinion shaft 1
New version 08.98ä

Pinion shaft 2
Old version ä08.98

For reinforced 4th gear wheel

For non-reinforced 4th gear wheel

Dimension a

approx. 27.5 mm

approx. 23.8 mm

Dimension b

approx. 40.0 mm

approx. 43.5 mm

Arrow 3

-

With tongue

Arrow 4

With chamfer

-

 
A35-0013

→ Fig.2    Distinguishing features of circlips and gear wheels

Circlip

-1-
New version 08.98ä

-2-
Old version ä08.98

Dimension a

approx. 34.5 mm

approx. 38.0 mm

4th gear
wheel

-3-
New version 08.98ä

-4-
Old version ä08.98

Dimension b

approx. 40.0 mm

43.5 mm

 
A35-0014

→ Fig.3    Distinguishing features of needle roller bearings and 5th speed sliding gears

Needle
bearing

-1-
New version 08.98ä

-2-
Old version ä08.98

Dimension a

approx. 26.8 mm

approx. 24.8 mm

Sliding gear for
5th speed

-1-
New version 08.98ä

-2-
Old version ä08.98

Arrow

Without shoulder

With shoulder

Removing and installing reverse gear wheel > < Dismantling and assembling pinion shaft