audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Assembling planet carrier - overview > < Dismantling planetary gearbox - overview
Automatic gearbox 01N
Dismantling and assembling planetary gearbox
Dismantling planetary gearbox
  • ‒ Drain ATF.
  • ‒ Remove gearbox .
  • ‒ Take out torque converter.
  • ‒ Secure gearbox to repair stand
  • ‒ Remove valve body => Page 38-38.
 
A38-0021
  • ‒ → Take out sealing plug -arrow-.
  • ‒ Remove gearbox speed sender -G38.

Note:

The sealing plug and gearbox speed sender must be removed to prevent them from being damaged.

 
A37-0157
  • ‒ → Remove sealing cap.

 
N37-0201
  • ‒ → Remove bolts -arrows- for ATF pump.
 
N37-0224
  • ‒ → To remove ATF pump screw in two M8 bolts -A- into the tapped holes of the ATF pump.
  • ‒ Tighten the bolts -A- evenly to press ATF pump off gearbox housing and remove.
  • ‒ Remove gasket, retaining ring and shim

 
N37-0742
  • ‒ → Remove strainer if fitted.

Note:

The strainer is located in the return pipe of the ATF cooler. It cannot be retrofitted on earlier gearbox versions.

 
N37-0202
  • ‒ → Take hold of turbine shaft and pull out all the clutches together with supporting tube for -B2-, -B2- plates, springs and spring caps -arrow-.

Notes:

  • ◆ On some gearboxes the clutches -K1- and -K3- may be pressed together.
  • ◆ -K1- only has to be pressed off from -K3- if one of the clutches is being dismantled or renewed.
  • ◆ Pressing -K1- off -K3- => Page 37-96.

 
N37-0203
  • ‒ Engage parking lock.
  • ‒ → To slacken the bolt for the small input shaft, insert a screwdriver through one of the holes of the large sun gear.

Note:

If it is not possible to engage the parking lock, use a second screwdriver to hold the large input shaft.

 
A37-0133
  • ‒ → Loosen bolt -1- for "small input shaft".
  • ‒ Remove bolt with washer -2- and shim -3- for "small input shaft".
  • ‒ Pull out small input shaft.

Note:

The axial needle bearing for the planet carrier remains in the gearbox/input gear.

 
N37-0471
  • ‒ → Pull out large input shaft (arrow).
 
N37-0470
  • ‒ → Pull out large sun gear (arrow).

 
N37-0011
  • ‒ → Remove circlip -a- for supporting tube for -B2-.
 
N37-0881
  • ‒ → Pull off baffle block -2-.
  • ‒ Remove free wheel circlip -b-.
  • ‒ Take freewheel out of gearbox housing by pulling on freewheel retaining wedge -arrow- with pliers.

 
N37-0463

Gearboxes with code letters DMU,DMV,DMX, EPT, EPU, EPV:

  • ‒ → Take small sun gear with washer and axial needle bearing out of planet carrier.
  •     1 -    Axial needle bearing
  •     2 -    Washer for axial needle bearing
  •     3 -    Small sun gear
  •     4 -    Planet carrier
 
N37-0882

Gearboxes with other code letters:

  • ‒ → Remove axial bearing and washer from small sun gear of planet carrier.
  •     1 -    Axial needle bearing
  •     2 -    Washer for axial needle bearing
  •     3 -    Planet carrier (with integrated small sun gear)

All models

  • ‒ Take hold of the inside of the planet carrier and pull it out together with free wheel and dished washer.
  • ‒ Remove pressure plate, plates and shim(s) of the reverse gear brake -B1-.
  • ‒ Take off axial bearing and washers.

Note:

Assembling planetary gearbox => Page 37-97.

 
N37-0593

Pressing clutch -K1- off -K3-

Notes:

  • ◆ On some gearboxes the clutches -K1- and -K3- may be pressed together.
  • ◆ -K1- only has to be pressed off from -K3- if one of the clutches is being dismantled or renewed.
  • ‒ Ensure the tool press surface is flat and not damaged.
    • ‒ The stud in tube 3110 points towards thrust plate VW 402.
  • ‒ → Hold turbine shaft when pressing off.

Note:

Pressing -K1- onto -K3-.

Assembling planet carrier - overview > < Dismantling planetary gearbox - overview