seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing freewheel (sequence) > < Dismantling and assembling differential and freewheel (assembly overview)
Automatic gearbox 099 four-wheel drive
Dismantling and assembling differential (sequence)
Dismantling and assembling differential (sequence)
 
W39-0120

Special tools and workshop equipment required

  • ◆ VW 401 Thrust plate
  • ◆ VW 402 Thrust plate
  • ◆ VW 407 Press tool
  • ◆ VW 411 Press tool
  • ◆ VW 412 Press tool
  • ◆ VW 433 Press tool
 
W39-0132
  • ◆ VW 459/2 Installing and removing tool
  • ◆ 40-105 Thrust plate
  • ◆ 3296 Tube
  • ◆ 1 - Kukko 20/10 Two-arm puller
  • ◆ 3144 Sleeve
 
N39-0119

Dismantling

  • ‒ Lever seal out with a lever.
  • ‒ Remove small circlip.
  • ‒ → Pull cover off differential.

A - Kukko 20/10 Two-arm puller

  • ‒ Remove large circlip.

 
N39-0120
  • ‒ → Press bearing out from cover.
 
N39-0121
  • ‒ → Press out small planet pinion axis shaft, to do this shear off spring pin.

A - Kukko 20/10 Two-arm puller

B - Vice clamps

  • ‒ Drive spring pin remains out from planet pinion axis shaft and differential housing.
  • ‒ Take out planet pinion and one piece thrust washer.
  • ‒ Swing sunwheel out through side opening in differential housing and take out.
  • ‒ Remove flange from differential housing.

Rear final drive with freewheel

  • ‒ Removing freewheel .

Assembling

 
N39-0123
  • ‒ Lubricate one piece thrust washer with gearbox oil and install.
  • ‒ Install both sun wheels and secure (e.g. with flange shaft).
  • ‒ → Insert planet wheels turned through 180°and pivot into position on one of the two flange shafts.
  • ‒ Drive planet wheel axis shaft into final position and secure with spring pin.
  • ‒ Install flange to differential housing.

Rear final drive with freewheel

 
N39-0127
  • ‒ Installing freewheel => Page 39-161.
  • ‒ → Press bearing onto cover.
  • ‒ Secure with large circlip.
 
N39-0128
  • ‒ → Press cover onto differential.
  • ‒ Secure with small circlip.
  • ‒ Drive new seal in flush => Page 39-117.

Removing and installing freewheel (sequence) > < Dismantling and assembling differential and freewheel (assembly overview)