Wheel Set, Disassembling And Assembling
Special tools and workshop equipment required
- Press Piece - Multiple Use VW412
- Press Piece - 60mm VW415A
- Press Piece - Multiple Use VW447H
- Press Piece - Multiple Use 40-105
- Press Piece - Reverse Gear Syncro 3296
- Shop Press VAG1290A
- Inductive Heater VAS6414
- Gearbox Support T40206
- Gearbox Assembly Tool T40213
- -1- Puller - Kukko 2-Arm - 70-180mm 20/10
- -2- 200 mm Pulling Hook
Shift Fork Group, Input Shaft, 1st, 2nd and Reverse Gear Output Shafts, Removing
-- Secure the Gearbox Assembly Tool - Plate T40213/1 to the Gearbox Support T40206 using bolts -arrows-.
-- Insert the Gearbox Assembly Tool - Adapter T40213/6 and T40213/7 into the Gearbox Assembly Tool - Plate T40213/1.
Use Gearbox Assembly Tool - Knurled Bolt T40213/3 to mount the Adapter after installing the input and output shafts.
-- Install the input shaft -1- together with the output shaft -2- and the shift fork group -3- into the Gearbox Assembly Tool - Adapter T40213/6 and T40213/6.
-- Remove the bolts -arrows- and remove the shift fork group from the bearing bracket -4-.
-- Remove the thrust washer -A-, reverse gear synchronizer hub -B- and reverse gear wheel -C-.
-- Remove the 1st gear wheel -E- along with the inner race/needle bearing for reverse gear -C- and the thrust washer -D-.
A - Puller - 2-Arm - 70-180mm, z. B. 20/10
B - 200 mm Pulling Hook
Danger of causing damage to the clutch splines on the 1st gear wheel -E-.
- The hooks on the Two-Arm Puller must not touch the clutch splines on the 1st gear wheel when removing.
-- Remove the 2nd gear wheel -E- along with the inner race/needle bearing for 1st gear -C- and the synchronizer hub/locking collar -D-.
A - Puller - 2-Arm - 70-180mm, z. B. 20/10
B - 200 mm Pulling Hook
-- Remove the needle bearing -1-.
-- Remove the bearing bracket -2- from the input -4- and output shafts -3-.
Output Shaft, Disassembling and Assembling. Refer to OUTPUT SHAFT, DISASSEMBLING AND ASSEMBLING .
Input Shaft, disassembling and assembling. Refer to INPUT SHAFT, DISASSEMBLING AND ASSEMBLING .
Shift Fork Group, Input Shaft, 1st, 2nd and Reverse Gear Output Shafts, Installing on the Output Shaft
-- Place the Gearbox Assembly Tool - Plate T40213/1 with the Gearbox Assembly Tool - Adapters T40213/6 and T40213/7 on the Shop Press VAG1290A pressing table.
-- Position the output shaft -1- and input shaft -2- into the Gearbox Assembly Tool - Adapter T40213/6 and T40213/7
-- In the installed position, mount the bearing bracket over both shafts -3-, and the raised surfaces -arrows- face upward.
If the parts are not to be replaced, make sure they are reallocated to their original gear.
-- Place inner race -2- on selector gear -1-.
-- Install the intermediate ring -3-. The tab -B- must be inserted into the recess -A-.
-- Insert synchronizer ring -4-. Guide the tabs -C- through the recess -arrow-.
-- Insert 2nd gear wheel together with needle bearing and synchronizer rings.
Heat the synchronizer hub to approximately 100°C (212°F).
Note the locking collar/synchronizer hub installed location; refer to Figure.
Slightly lift the 2nd gear wheel so that the tabs on the synchronizer ring can lock into the openings in the synchronizer hub.
-- Install the 1st gear wheel -A-, the synchronizer rings and the needle bearings on the output shaft.
-- Mount the thrust washer -B- and install the heated inner race -C- for the needle bearing reverse gear wheel.
-- Mount the reverse gear wheel -C- with needle bearing and reverse gear locking collar.
-- Mount the reverse gear synchronizer hub -B- along with the synchronizer rings and thrust washer -A-.
-- Attach the Gearbox Assembly Tool - Plate T40213/1 to the Gearbox Support T40206.
-- Clean screw threads -arrows- with a wire brush. Coat the bolts with Locking Fluid AMV 185 101 A1.
-- Secure the shift fork group -3- to the bearing bracket -4- with the bolts -arrows-.
-- Remove the input shaft -1- together with the output shaft -2- and shift fork group from the Gearbox Assembly Tool - Plate T40213/1