AWD Vehicles
-- Remove the circlip -arrow-.
-- Remove the bearing inner race -item 25- OVERVIEW - OUTPUT SHAFT, VEHICLES WITHOUT SELF-LOCKING CENTER DIFFERENTIAL => List Item: Bearing Inner Race or -item 30- OVERVIEW - OUTPUT SHAFT, VEHICLES WITH SELF-LOCKING CENTER DIFFERENTIAL => List Item: Bearing Inner Race -arrow- using the : VAS251001 and Seal Installer - Shaft Seal: T10431/1 .
Vehicles without Self-Locking Center Differential
-- Install the four bolts (M8 x 30) -2- in the threaded holes marked with "C" from the : T40413/7 -1-.
-- Bolt the : T40413/7 with the : T40213A .
-- Tighten the : T40213A in the vise or on the : T40206 .
-- Insert the gear set -1- in the Assembly Tool.
- The gear set is secured with the : T40155 and : 10-222A/12 on the : VAS6100 .
- The bolts from the : T40413/7 -3- must engage in the holes in the gear assembly from the 7th gear -2-.
3 -
Extracting Tool - Adapter: T40413/7
4 -
Assembly Tool: T40213A
5 -
Extracting Tool - Adapter: T40413/8
6 -
Extracting Tool - Nut: T40213/3
-- Switch the Gearshift Rail/Shift Fork for 4th and 6th Gear -1-, Gearshift Rail/Shift Fork for 5th and 7th Gear -2- and Gearshift Rail/Shift Fork for 1st and 3rd Gear -3- in the direction of -arrows-.
-- Warm the bolt -arrow- to approximately 100 °C (212 °F).
Tip:
- The bolt from the output shaft has a very high loosening torque.
-- Remove the bolt -arrow- with the : T10162A -1-.
If when warning the bolt the oil pipe -2- in the output shaft is damaged it must be replaced.
-- Drive out the oil pipe -2- using the Valve Guide/Clutch Release Push Rod Seal Drift: 10-206 -1- from the output shaft in the direction of -arrow-.
-- Drive in the new oil pipe on the opposite side again.
-- Then shift all gears into the transmission neutral position.
Continuation for All Vehicles
-- Remove the bolt -arrow- and remove the shift forks for 4/6 gear and 5/7 gear together.
-- Remove the input shaft 1 from the gear set.
Damage to input shaft 1
- When removing the input shaft 1, the 7th gear wheel may already be loosened and can fall.
-- Shift fork the gearshift rail/shift fork for 1st and 3rd gear -1- and gearshift rail/shift fork for 2nd gear and reverse gear -2- upward in the direction of -arrow-.
Vehicles with Self-Locking Center Differential
-- Remove the circlip -1- from the outer output shaft -2-.
Screw in the Thrust Piece: T10205/13 in the Hydraulic Cylinder: VAS6178 .
Press on the 4th Gear 1, Vehicles with Self-Locking Center Differential
2 -
Press Piece - Multiple Use: 30-11
3 -
Press Piece - 31.5mm: VW418A
4 -
Extracting Tool - Screwdriver Bit: T40413/2
5 -
Hydraulic Press: VAS6178
6 -
Extracting Tool - Puller: T40413/1
Vehicles without Self-Locking Center Differential
Drive Wheel for Spur Gear 1 and Drive Wheel Roller Bearing Inner Race 2
3 -
Press Piece - Multiple Use: VW426
4 -
Extracting Tool - Screwdriver Bit: T40413/2
5 -
Extracting Tool - Puller: T40413/1
6 -
Hydraulic Press: VAS6178
-- Remove the spacer sleeve -item 4- OVERVIEW - OUTPUT SHAFT, VEHICLES WITHOUT SELF-LOCKING CENTER DIFFERENTIAL => List Item: Spacer Sleeve.
Press on the 4th Gear 1, vehicles without Self-Locking Center Differential
2 -
Extracting Tool - Screwdriver Bit: T40413/2
3 -
Hydraulic Press: VAS6178
4 -
Extracting Tool - Puller: T40413/1
Continuation for All Vehicles
-- Remove the circlip -2- for the drive axle 2 -1-.
Align the Drive Axle 2 1
Risk of destroying the gears, shaft and bearing bracket.
- To press out the input shaft 2, align as follows.
- The bevel -arrow- of the drive axle 2 -1- must be located on the side of the intermediate sprocket for the reverse gear -2-.
Press Out the Drive Axle 2 1, Vehicles without Self-Locking Center Differential
2 -
Bearing Installer - Multiple Use: 32-111
3 -
Press Piece - Rod: VW407
4 -
Bearing Installer - Bearing Press Plate: T10084A
5 -
Press Plate: VW401
6 -
Press Plate: VW402
- To press on the drive axle 2 have a second technician help.
- The bearing bracket must be positioned on the Bearing Installer - Bearing Press Plate: T10084A -arrow-.
Press Out the Drive Axle 2 1, Vehicles with Self-Locking Center Differential
2 -
Press Piece - Multiple Use: 40-105
3 -
Press Piece - Rod: VW408A
4 -
Press Piece - Multiple Use: VW519
5 -
Exhaust Pipe Wedge Set: 3140A/1
6 -
Press Plate: VW402
7 -
Press Plate: VW401
8 -
Bearing Installer - Bearing Press Plate: T10084A
- To press on the drive axle 2 have a second technician help.
- The bearing bracket must be positioned on the Bearing Installer - Bearing Press Plate: T10084A -arrow-.
Continuation for All Vehicles
Depending on the servicing in the next work procedure:
- Input Shaft 2, Disassembling and Assembling. Refer to INPUT SHAFT 2, DISASSEMBLING AND ASSEMBLING .
- Input Shaft 1, Disassembling and Assembling. Refer to INPUT SHAFT 1, DISASSEMBLING AND ASSEMBLING .
- Output Shaft, Disassembling and Assembling. Refer to OUTPUT SHAFT, DISASSEMBLING AND ASSEMBLING
- Vehicles with self-locking center differential: inner output shaft disassembling and assembling. Refer to INNER OUTPUT SHAFT, DISASSEMBLING AND ASSEMBLING, ONLY VEHICLES WITH SELF-LOCKING CENTER DIFFERENTIAL .
Assembling
Insert the Input Shaft 2 2 in the Bearing Bracket
- Warm the bearing for the output shaft -1- using the Hot Air Gun: VAG1416 .
- The bevel -arrow- of the output shaft 2 must be located on the side of the intermediate sprocket for the reverse gear -3-.
Press in the input shaft 2 2 in the Bearing Bracket 3
- When pressing in the input shaft 2 pay attention to the splines -arrows-.
1 -
Press Piece - Multiple Use: VW412
4 -
Extracting Tool - Sleeve: T40413/10
-- Determine and insert the thickest circlip -2- - which can still just be installed - for the drive axle 2 -1-.
The following circlips are available. Refer to the Parts Information for the part number.
| Circlip Thickness (mm) | ||
|---|---|---|
| 2.41 | 2.49 | 2.57 |
| 2.45 | 2.53 | |
4th Gear 1, Installing
3 -
Bearing Installer - Differential Bearing: 40-21
- Warm the 4th gear -1- using the Inductive Heater: VAS6414 to 120 °C (248 °F).
- When pressing on the splines -arrow- pay attention to the 4th gear -1- and the gear assembly for the 4th gear -2-.
- Vehicles with self-locking center differential: insert the circlip -item 9- OVERVIEW - OUTPUT SHAFT, VEHICLES WITH SELF-LOCKING CENTER DIFFERENTIAL => List Item: Circlip
Vehicles without Self-Locking Center Differential
Drive Wheel for Spur Gear 2, Pressing on
3 -
Bearing Installer - Differential Bearing: 40-21
- Position the spacer sleeve -1- beforehand.
- Warm the drive wheel for spur gear -2- to 120 °C (248 °F) using the Inductive Heater: VAS6414 .
- The groove on the drive wheel of the spur gear points to the Bearing Installer - Differential Bearing: 40-21 .
Press on the Output Shaft Roller Bearing Inner Race 1
1 -
Press Piece - Trailing Arm: 2010
- Warm the output shaft roller bearing inner race -1- using the Inductive Heater: VAS6414 to 120 °C (248 °F).
- Installation position: the lettering on the bearing -1- (thicker wall thickness) points to the Press Piece - Trailing Arm: 2010 -2-.
Continuation for All Vehicles
-- Carefully guide the input shaft 1 into the gear set -arrow-. While doing so, make sure the needle bearings -A and B- are installed correctly.
-- Position the shift forks and secure with the bolt -arrow-.
The following procedure is only necessary after disassembling the output shaft.
-- Press in the locking sleeve for the gearshift rail/shift fork 1st and 3rd gear -A- and the locking sleeve for the gearshift rail/shift fork 2nd and reverse gear -B-. Refer to Figure.
Vehicles without Self-Locking Center Differential
-- Install the four bolts (M8 x 30) -2- in the threaded holes marked with "C" from the Extracting Tool - Adapters: T40413/7 -1-.
-- Bolt the Extracting Tool - Adapter: T40413/7 with the Gearbox Assembly Tool: T40213A .
-- Tighten the Gearbox Assembly Tool: T40213A in the vise or on the Gearbox Support: T40206 .
-- Insert the gear set -1- in the Assembly Tool.
- The bolts from the Extracting Tool - Adapter: T40413/7 -3- must engage in the holes in the gear assembly from the 7th gear -2-.
3 -
Extracting Tool - Adapter: T40413/7
4 -
Assembly Tool: T40213A
5 -
Extracting Tool - Adapter: T40413/8
6 -
Extracting Tool - Nut: T40213/3
-- Switch the Gearshift Rail/Shift Fork for 4th and 6th Gear -1-, Gearshift Rail/Shift Fork for 5th and 7th Gear -2- and Gearshift Rail/Shift Fork for 1st and 3rd Gear -3- in the direction of -arrows-.
-- Clean the internal threads of the output shaft with a thread tap.
-- Install the new bolt -arrow- using the : T10162A -1- and tighten.
-- Then shift all gears into the transmission neutral position.
-- Warm the bearing inner race -item 25- OVERVIEW - OUTPUT SHAFT, VEHICLES WITHOUT SELF-LOCKING CENTER DIFFERENTIAL => List Item: Bearing Inner Race or -item 30- OVERVIEW - OUTPUT SHAFT, VEHICLES WITH SELF-LOCKING CENTER DIFFERENTIAL => List Item: Bearing Inner Race with a Inductive Heater: VAS6414 and push with the shoulder downward -arrow A- all the way.
-- Install the circlip -arrow-
-- Install the oil pan -item 5- OVERVIEW - GEAR SET, VEHICLES WITHOUT SELF-LOCKING CENTER DIFFERENTIAL => List Item: Oil Pan.
-- Install the gear set. Refer to TRANSMISSION, DISASSEMBLING AND ASSEMBLING .
Tightening Specifications
- Refer to OVERVIEW - BEARING BRACKET
- Refer to OVERVIEW - OUTPUT SHAFT