Removing
Remove the front propeller shaft.
Fasten counterholder 3145 with 2 bolts M 10x25 on the PTO flange (pic. 3.118).
Loosen the PTO flange nuts.
Remove the PTO flange.
Remove the O-ring using the VW 771 universal tool and the VW771/37 puller.
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, without distorting it (rice. 3.112).
Install the PTO flange.
Soak a new O-ring in gear oil and install (pic. 3.119).
Lubricate the threads of the new nuts with Loctite 648 locking varnish.
Tighten new PTO flange nuts to torque (pic. 3.118).
Fasten the nuts in the places provided (for example, mandrel).
The figure shows the fastening of the nuts on the flange of the PTO shaft/rear propshaft (pic. 3.120).
Install the front driveshaft.
Check the transmission oil level in the transfer case.
Tightening torque: PTO flange nuts to PTO shaft 130 Nm.
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