Removing
Remove the rear driveshaft.
Loosen the PTO flange nuts (pic. 3.121).
A - Hexagon bolt M 10x30 with nuts.
Remove the PTO flange.
Remove the O-ring using the VW 771 universal tool and the VW 771/37 puller (rice. 3.111).
Clean the nut threads.
Installation
Fill the space between the sealing lips and dust seal halfway with grease G 052 128 A1.
Press in the new O-ring until it stops, but do not distort it (rice. 3.112).
Install the PTO flange.
Soak a new O-ring in gear oil and install.
On Figure 3.119 the O-ring of circular cross-section on the flange of the power take-off shaft/front driveshaft is shown.
Lubricate the threads of the new nuts with Loctite 648 locking varnish.
Tighten new PTO flange nuts to torque (pic. 3.121).
Fasten the nuts in the places provided (for example, mandrel) (rice. 3.120).
Install the rear driveshaft.
Check the transmission oil level in the transfer case.
Tightening torque: PTO flange nuts to PTO shaft 130 Nm.
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