Drain the oil from the gearbox housing.
Remove the rear gearbox cover plug by using a large screwdriver to punch a hole in the center of the plug and remove it.
Removal the plug of the rear cover of the gearbox housing
Lock the primary shaft by applying a locking device to the splines for the clutch driven disk hub.
Remove the hex bolt from the rear end of the input shaft.
Remove the bolts securing the rear gearbox cover.
Removal the rear cover of the gearbox housing
Remove the rear gearbox cover using a bearing puller.
Remove the spring pin from the 1st and 2nd gear shift fork rod linkage by turning the linkage to the left.
Removal the gear selector rod
Engage III gear by pulling out the III and IV gear fork shift rod.
Turn the gear selector rod to the left and remove it.
Remove the leash from the fork stem and 2nd gear.
Knock out the spring pin from the 5th gear fork, while holding the fork rod with a hammer so as not to damage the hole for the fork rod in the side wall of the gearbox housing.
Using a double-lever puller, remove the connecting piece together with the 5th gear pinion, the sliding sleeve and the 5th gear synchronizer sleeve. Make sure that the 5th gear engagement fork remains free. The fork rod remains in the crankcase (see photo).
Remove the 5th gear needle bearing inner race and thrust washer, using two large screwdrivers if necessary.
Engage any gear and lock the input shaft with the VW 294b1 locking device.
Remove the nut from the rear end of the secondary shaft.
Remove the 5th gear using a double-lever puller (see photo).
Removal the V-gear gear with synchronizer
Set the shift fork rods to neutral position
Remove the gearbox housing together with the primary and secondary shafts and install it in a vice with soft metal pads.
Knock out the spring pin from the III and IV gear shift fork, while holding the fork rod with a hammer so as not to damage the fork rod socket in the gearbox housing wall.
Pull out the fork rod of III and IV gears enough to allow the fork to be removed.
Note: If you plan to remove the secondary shaft, pull out the fork rod of III and IV gears completely.
Slightly (6-8 mm) move the secondary shaft back.
Remove the primary shaft assembly with the III and IV gear fork.
Removal the V gear from the secondary shaft
Return the fork rods to the neutral position.
Knock out the axle and remove the reverse intermediate gear.
Press the secondary shaft out of the gearbox housing.
Warning: When pressing out the secondary shaft, make sure that the 1st and 2nd gear shift fork rod does not jam; if necessary, release it with light hammer blows.
Remove the secondary shaft together with the rod and fork of the 1st and 2nd gears.
Loosen the differential output shaft mounting bolt, holding it with a helper.
Loosen the differential cover mounting bolts.
Remove the differential cover using two levers.
Remove the differential.
(The text is based on materials from the website: AUDIMANUAL)