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Adjusting input shaft > < Dismantling and assembling shift mechanism in gearbox
5-Speed Manual Gearbox 012/01W Front-wheel Drive
Dismantling and assembling input shaft
Dismantling and assembling input shaft

Special tools, testers and auxiliary equipment required

  • ◆ Drift VW 222 A
  • ◆ Drift VW 295
  • ◆ Adapter VW 295 A
  • ◆ Thrust plates VW 401 and VW 402
  • ◆ Press tools VW 407 and VW 408 A
  • ◆ Tubes VW 415 A and 416 B
  • ◆ Thrust pad VW 447 i
  • ◆ Multi-purpose tool VW 771
  • ◆ Drift 30-24
  • ◆ Sleeve 30-100
  • ◆ Thrust plate 40-105
  • ◆ Press tool 40-202
  • ◆ Separating tool Kukko 17/2
  • ◆ Internal puller Kukko 21/4
 
N35-0048

Notes:

  • ◆ When installing new gears or the input shaft consult technical data =>from Page 00-3.
  • ◆ The position of the ball bearing will be affected if -Items 35-19.
  • Circlip
    • ◆ Mark
    • ◆ Installation position => Fig.15 - Item 1
    • ◆ Determining thickness => Adjus-ting input shaft, Page 35-19
  • Ball bearing
    • ◆ Removing and installing
 
N35-0048
  • Circlip
    • ◆ Mark
    • ◆ Installation position => Fig.15 - Item 2
    • ◆ Determining thickness => Adjus-ting input shaft, Page 35-19
  • Gearbox housing
    • ◆ Housing manufactured from aluminium or magnesium
      => Page 34-85
  • Needle bearing
    • ◆ Secured with bolt => Fig.1
    • ◆ Tapping out => Fig.2
    • ◆ Selecting correct needle roller bearing for input shaft => Fig.3
    • ◆ Installation position => Fig. 4.
    • ◆ Pressing in => Fig. 5
    • ◆ Locking => Fig.6
 
N35-0048
  • Input shaft
    • ◆ With oil feed sleeve
    • ◆ Knocking in oil feed sleeve => Fig.7
    • ◆ Adjusting => Page 35-19
    • ◆ Selecting correct needle roller bearing for input shaft => Fig.3
  • Needle roller bearing for 3rd gear
    • ◆ Mark
  • 3rd speed sliding gear
  • Spring
    • ◆ Insert in 3rd speed sliding gear => Fig.13
    • ◆ Allocation of spring to sliding gear

=> Parts List

  • Synchro-ring for 3rd gear
    • ◆ Check for wear => Fig.14
 
N35-0048
  • Circlip
    • ◆ Mark
    • ◆ Installation position => Fig.15 - Item 3
  • Synchro-hub for 3rd and 4th gear
    • ◆ High collar faces 3rd gear
    • ◆ Pressing off => Fig.12
    • ◆ Pressing on =>Fig.17
  • Circlip
    • ◆ Mark
    • ◆ Installation position => Fig.15 - Item 4
    • ◆ If the synchro-hub is replaced re-determine thickness => Fig. 16
  • Locking collar for 3rd and 4th gear
    • ◆ Installation position => Fig. 18.
  • Synchro-ring for 4th gear
    • ◆ Check for wear => Fig.14
 
N35-0048
  • Spring
    • ◆ Insert in 4th speed sliding gear => Fig.13
    • ◆ Allocation of spring to sliding gear

=> Parts List

  • 4th speed sliding gear
  • Needle roller bearing for 4th gear
    • ◆ Mark
  • 5th gear wheel
    • ◆ Pressing off => Fig.11
    • ◆ Pressing on =>Fig.19
  • Circlip
    • ◆ Mark
    • ◆ Installation position => Fig.15 - Item 5
    • ◆ If the 5th gear wheel is replaced re-determine thickness => Fig. 16
 
N35-0048
  • Roller sleeve
    • ◆ Replace
    • ◆ Will be damaged during removal
    • ◆ Pulling out =>Fig.8
    • ◆ Installation position => Fig. 9.
    • ◆ Tapping in =>Fig.10
  • Sleeve
    • ◆ Made of plastic
  • Gearbox cover
    • ◆ Aluminium version: must only be fitted to an aluminium gearbox housing
    • ◆ Magnesium version: must only be fitted to a magnesium gearbox housing
    • ◆ Apply thin coat of sealing paste AMV 188 001 02 to sealing surfaces
 
A34-0120

→ Fig.1    Unscrewing securing bolt -arrow- for needle roller bearing

  • ‒ Unscrew securing bolt -arrow-.

Note:

Bolt is not fitted on all versions.

 
V35-1033

→ Fig.2    Driving out needle roller bearing

 
A35-0006

→ Fig.3    Selecting correct needle roller bearing for input shaft

Input shaft dia.

Part no. Needle bearing

a = 27 mm

012 311 123 D

a = 29 mm

012 311 123

Note:

To avoid damage resulting from incorrect installation, check the following after replacing the input shaft.

  • ◆ It must be possible to guide input shaft into place.
  • ◆ The input shaft must not have any free play.

 
N35-0053

→ Fig.4    Installation position of needle roller bearing

Distance -a- from lower edge of straight-edge to upper edge of needle roller bearing = 39.5 mm

Note:

Measure distance from top edge of straight-edge and subtract the width of the straight-edge from the measured distance.

 
N35-0049

→ Fig.5    Pressing in needle roller bearing

 
A34-0120

→ Fig.6    Screwing in securing bolt -arrow-

Note:

Bolt is not fitted on all versions.

  • ◆ Aluminium gearbox housing
  • Tighten to 25 Nm
  • ◆ Magnesium gearbox housing
  • Tighten to 20 Nm
 
A35-0007

→ Fig.7    Knocking oil feed sleeve into input shaft

Item

øOil feed sleeve dia.

Fitting tool

A

14 mm

VW 222 A

B

16 mm

30-24

  • ◆ Installation position:
  • Flanged edge on oil feed sleeve faces towards fitting tool
  • ◆ Installation depth:
  • 3.5 mm below top edge

 
N35-0050

→ Fig.8    Pulling out roller sleeve

A - Internal puller, e. g. Kukko 21/4, 22 ... 28 mm

  • ‒ Before fitting internal puller destroy the plastic sleeve inside the roller sleeve.
 
V35-1237

→ Fig.9    Installation position of roller sleeve

  • ◆ Distance a = 216 mm

 
N35-0051

→ Fig.10    Driving in roller sleeve

 
V35-1233

→ Fig.11    Pressing off 5th gear wheel

  • ‒ Remove circlip before pressing off.
  •     A -    Separating device 22 ... 115 mm, e.g. Kukko 17/2

 
V35-1235

→ Fig.12    Pressing off synchro hub for 3rd and 4th gear

  • ‒ Remove circlip before pressing off.
  • ‒ Press 3rd gear synchro ring (arrow) towards 3rd gear wheel, then fit separating device -A-.
  •     A -    Separating device 22 ... 115 mm, e.g. Kukko 17/2
 
V35-1036

→ Fig.13    Inserting spring in sliding gear

The bent end of the spring (arrow) must be hooked in the hole in the sliding gear.

 
V35-1037

→ Fig.14    Checking synchro-ring for wear

  • ‒ Press synchro-ring into locking collar and measure gap -a- with a feeler gauge at positions -A-, -B- and -C-.
  • ‒ Add the measured values and divide by 3.

The calculated value must not be less than 0.5 mm.

 
V35-1031

→ Fig.15    Installation position of circlips

  • ◆ Circlips -1- and -2- secure the input shaft ball bearing.
  • Determining thickness => Adjusting input shaft, Page 35-19.
  • ◆ Circlip -3- secures the 3rd and 4th gear synchro hub.
  • Thickness: 2.00 mm. Identification: brown colour.
  • ◆ Circlip -4- secures the 3rd and 4th gear synchro hub.
  • Determining thickness => table on Page 35-16. Identification: blue colour.
  • ◆ Circlip -5- secures the 5th gear wheel.
  • Determining thickness => table on Page 35-16.
 
V35-1042

→ Fig.16    Determining thickness of circlip

  • ‒ Determine the thickest circlip that will just fit and install it.
  • ‒ Determine circlip as accurately as possible from table. Part numbers

=> Parts List

Available circlips for 3rd and 4th gear synchro-hubs

Circlip thickness (mm)

1.90

1.96

2.02

1.93

1.99

2.05

Available circlips for 5th gear wheel

Circlip thickness (mm)

1.90

1.96

2.02

1.93

1.99

 
V35-1172

→ Fig.17    Pressing on synchro hub for 3rd and 4th gear

  • ◆ Installation position:
  • High inside collar faces 3rd gear

 
A35-0003

→ Fig.18    Installation position of locking collar

Different types of locking collar are installed: version -A- with chamfered edge, arrow 1, or version -B- with large shoulder, arrow 3.

  • ◆ Installation position:
  • Chamfered edge -arrow 1- faces 4th gear
  • Small shoulder -arrow 2- faces 3rd gear
  • Large shoulder -arrow 3- faces 4th gear
 
V35-1040

→ Fig.19    Pressing on 5th gear wheel

Important:
Wear protective gloves!
  • ‒ Heat 5th gear wheel to approx. 100 oC before pressing on.
  • ◆ Installation position:
  • High collar faces reverse gear

Adjusting input shaft > < Dismantling and assembling shift mechanism in gearbox