Final Drive, Differential (01VA Transmission)
Center Differential, Servicing
Transmission installed
Special tools, testers and auxiliary items required
• Thrust plate (VW401)
• Punch (VW412)
• Thrust plate (VW402)
• Thrust tube (VW454)
• Punch (VW407)
• Sleeve (3021)
• Sleeve (40-20)
• Press support (3118)
• Item 3 Kukko 17/2 separating tool
CAUTION!
Do not run engine with the center differential removed or without gear oil and do not tow vehicle.
• Rules of cleanliness for working on automatic transmissions. Refer to => [ Clean Working Conditions ] Clean Working Conditions.
• General repair notes. Refer to => [ Components ] Components.
The parts listed in the following illustration can be removed with the transmission installed.
1 Socket head bolt- 25 Nm
2 Output flange/driveshaft
3 Seal
• For output flange/driveshaft => [ (Item 2) Output flange/driveshaft ]
• Always replace, refer to => [ Output Flange/Driveshaft O-Ring ] Output Flange/Driveshaft O-Ring
4 Bolt - 23 Nm
• For housing cover => [ (Item 5) Housing cover ]
• 4x
5 Housing cover
• With dampener
6 O-ring
• Coat with transmission fluid
7 Snap ring
• For ball bearing => [ (Item 8) Grooved ball bearing ] on spur gear 1 => [ (Item 9) Spur gear 1 ]
8 Grooved ball bearing
• For spur gear 1 => [ (Item 9) Spur gear 1 ]
• Pressing off => [ Press off grooved ball bearing for spur gear
1 ]
• Pressing on => [ Press on grooved ball bearing for spur gear
1 ]
9 Spur gear 1
• For rear gear set
• If damaged, only replace together with spur gear 2 => [ (Item 17) Spur gear 2 ]
• To remove and install, pull out of center differential housing toward rear together with => [ (Item 7) Snap ring ] and => [ (Item 8) Grooved ball bearing ]
10 Snap ring
• For needle bearing => [ (Item 11) Needle bearing ]
11 Needle bearing
• For spur gear 1 => [ (Item 9) Spur gear 1 ]
• Only remove for replacement
• To replace, heat up transfer gear housing to approx. 100 °C and drive out needle bearing toward rear using drift (Warning! Wear protective gloves)
• Drive in to stop using Sleeve (30-21)
12 Bolt - 23 Nm
• Loosen or tighten in stages and in diagonal sequence
13 Center differential housing
14 Tension nut
• For output flange/driveshaft => [ (Item 2) Output flange/driveshaft ]
15 Needle bearing
• For spur gear 2 => [ (Item 17) Spur gear 2 ]
• Only remove for replacement
• Always replace, refer to => [ Spur Gear 2 Needle Bearing ] Spur Gear 2 Needle Bearing
16 Snap ring
• For securing needle bearing => [ (Item 15) Needle bearing ] in center differential housing => [ (Item 13) Center differential housing ]
17 Spur gear 2
• For rear gear set
• If damaged, only replace together with spur gear 1 => [ (Item 9) Spur gear 1 ]
• To remove and install, remove center differential housing, refer to => [ Center Differential ] Final Drive, Differential (01VA Transmission) and pull out together with => [ (Item 18) Grooved ball bearing ] and => [ (Item 23) Snap ring ]
18 Grooved ball bearing
• For spur gear 2 => [ (Item 17) Spur gear 2 ]
• Pressing off => [ Press off grooved ball bearing for spur gear
2 ]
• Pressing on => [ Press on grooved ball bearing for spur gear
2 ]
19 Snap ring
• For securing grooved ball bearing => [ (Item 18) Grooved ball bearing ] in center differential housing
20 Washer
• For grooved ball bearing => [ (Item 18) Grooved ball bearing ]
• Before installing, clip on guide plate => [ (Item 21) Alignment plate ]
21 Alignment plate
22 Bolt - 10 Nm
23 Snap ring
• For securing grooved ball bearing => [ (Item 18) Grooved ball bearing ] on spur gear 2 => [ (Item 17) Spur gear 2 ]
24 Gasket
• Always replace => [ Center Differential ] Final Drive, Differential (01VA Transmission)
25 Torsen differential
• If damaged replace as complete unit
• Removing and installing, refer to => [ Center Differential ] Final Drive, Differential (01VA Transmission)
26 Seal
• Always replace, refer to => [ Front Final Drive Seal Intermediate Flange ] Front Final Drive Seal Intermediate Flange
27 Magnet
• Removing and installing, refer to => [ Center Differential ] Final Drive, Differential (01VA Transmission)
28 Bushing
• 2x
29 Breather
• For transfer gear
• With cap installed
• Installation position: Without cover, breather must project 10 - 11 mm out of housing
30 Bolt - 23 Nm
• Observe tightening sequence => [ Check ATF level and top off ] Front Final Drive Seal
31 Intermediate flange for front final drive
32 Gasket
• Always replace, refer to => [ Front Final Drive Seal ] Front Final Drive Seal
33 Bushing
34 Drive pinion
• For front final drive
• Removing and installing, refer to => [ Drive Pinion Shaft Seal ] Drive Pinion Shaft Seal
35 Intermediate pinion
• For front final drive
• Installation position: gear identification faces toward transfer gear
36 Output pinion
• For front final drive
• Installation position: gear identification faces toward transfer gear
37 Seal
• Always replace => [ Drive Pinion Shaft Seal ] Drive Pinion Shaft Seal
Press off grooved ball bearing for spur gear 1
A - Separating device 22-115 mm, e.g. Kukko 17/2 separating tool
Press on grooved ball bearing for spur gear 1
Press off grooved ball bearing for spur gear 2
A - Separating device 22-115 mm, e.g. Kukko 17/2 separating tool
Press on grooved ball bearing for spur gear 2
