Transfer case installation details (using the 750.653 series as an example)
1 - Transfer case; 2 - Shift lever*; 3 - Dust cover*; 4, 16, 18 - Cardan shafts; 5, 15 - Screws; 6 - Washer; 7 - Rubber cushions; 8, 12 - Sealing rings; 9 - Filler plug; 10 - Angular drive*; 11 - Speedometer drive shaft*; 13 - Drain plug; 14 - Support lever; 17, 19, 25 - Nuts; 20 - Hollow bolt of nipple connection; 21 - Sealing washers; 22 - Pneumatic tract line; 23 - Connector; 24 - Pumping line; S76/7 - Center differential lock indicator switch
1. Disconnect the electrical wiring and remove the transfer case servomotor (see Section Removal and installation the transfer case servomotor).
2. Disconnect the cardan shafts from the transfer case (1) (4, 16 and 18) (See Section Disconnecting and connecting cardan shafts on the transfer case), nuts (17, 19 and 25) are subject to mandatory replacement.
3. Using a suitable socket wrench, remove the differential lock indicator switch (S76/7).
4. Unscrew the filler (9) and drain (13) plugs and drain the transmission oil into the prepared container.
5. Jack up the transfer case (1) from below, completely unloading the rubber cushions (7) of its suspension supports.
6. Disconnect the support arm (14) at the front, remove the rubber cushions (7) at the rear, slightly lower the right side of the transfer case, turn the left side forward and remove. Check the condition of the rubber cushions (7), replace them if necessary.
7. Installation is carried out in the reverse order. Make sure that all fasteners are tightened with the required force, do not forget to replace the sealing rings (8 and 12).