Remove exhaust system and rear heat shield. Disconnect the cardan shaft from the flange of the drive gear of the GPU and remove the lock washer (5). Mark the position of the nut (1, fig. 14.9) in relation to the drive gear shaft of the GP.
Unscrew the collar nut, holding the flange from turning with a stopper «23.0.020» (pic. 14.10), fixing (writing down) speed.
Remove the flange, for this you need to use the tool «33.1.150» (pic. 14.11) for gearbox «188k» or fixture «33.2.101» (pic. 14.12) for gearbox «215k».
Using fixture «00.5.010», take out the seal (pic. 14.13) with fixture «33.3.470», for gearbox «188k», or fixture «33.3.440», for reducer type «215k», compress it.
Lubricate the seal lips and the sealing surface of the flange with rear axle oil. Install flange (1, fig. 14.15) GP drive gear and press it in using the tool «23.1.300». Stop pressing when the nut can be screwed onto several threads.
Attention! It is strictly forbidden to tighten the nut further than the setting marks, because. this will damage the rear axle gearbox.
tighten the nut (1, see fig. 14.9) with a collar until the alignment marks are aligned, performing the same number of revolutions as when removing. Press in new lock washer (5, see fig. 14.8) using a mandrel «00.5.500» and fixtures «33.3.480» («188k») or fixtures «33.3.490» («215k») .
Change the oil in the rear axle gearbox.