AR28.10-D-1002B | Assemble transfer case | 16.10.09 |
MODEL 903.0 /4, 904.0 /4 with CODE (ZG1) Engageable all-wheel drive
D28.10-0015-09
D28.10-0016-09
1 Collar nut
2 Connector flange
3 Radial shaft seal
4 Circlip
5 Nut
6 Washer
7 Rear holder
8 Housing rear section
9 Housing front section
10 Pressure switch
11 Sealing ring
12 Screw
13 Circlip
14 Radial shaft seal
15 Connector flange
16 Collar nut
17 Screw
35 Collar nut
36 Tapered roller bearing outer race
37 Tapered roller bearing
38 Thrust plate
39 Driven gear
40 Needle roller bearing
41 Needle roller bearing
42 Front axle output shaft
43 Shift sleeve
44 Tapered roller bearing
45 Tapered roller bearing outer race
46 Seal boot
47 Shift fork
48 Gasket
49 Bushing
(as of transfer case. End no.: 000820)
18 Front bracket
19 Circlip
20 Cap
21 Circlip
22 Radial shaft seal
23 Connector flange
24 Collar nut
25 Tapered roller bearing outer race
26 Tapered roller bearing
27 Input shaft
28 Tapered roller bearing
29 Tapered roller bearing outer race
30 Tapered roller bearing outer race
31 Tapered roller bearing
32 Intermediate shaft
33 Tapered roller bearing
34 Tapered roller bearing outer race
| Assemble | ||
1 | Install bushings (49) | As of transfer case End no.: 000820 | |
Sealant | |||
2 | Install circlip (4). | Retaining ring pliers Check that retaining ring is correctly seated. | |
3 | Install tapered roller bearing outer races (25, 30, 36) | Drive the tapered roller bearing outer races all the way into the housing from inside. | |
4 | Install tapered roller bearing outer races (29, 34, 45) | Drive in the outer races from inside so that they are flush with the housing. | |
5 | Place tapered roller bearings (26, 28) on intermediate shaft (27) | Heat up the tapered roller bearing to 125 °C. | |
Position using a drift if necessary. | |||
6 | Place tapered roller bearing (31, 33) on intermediate shaft (32) | Heat up the tapered roller bearing to 125 °C. | |
Position using a drift if necessary. | |||
7 | Assemble front axle output shaft (42) | ||
| |||
Drift | |||
Heat up the tapered roller bearing to 125 °C. | |||
8 | Secure collar nut (35) | ||
9 | Clean sealing surfaces of housing parts (8, 9) | ||
10 | Prepare shift fork (47) for installation | ||
Sealant | |||
Lubricant | |||
11 | Insert front axle output shaft (42) with shift fork (47) in the housing rear part (8) | Make sure that the shift fork is fitted at the correct position. | |
12 | Insert drive shaft (27) and intermediate shaft (32) | ||
13 | Attach housing front section (9) | The bearing play is adjusted by the retaining ring thickness | |
| |||
Retaining ring pliers | |||
| Circlip set for determining circlip thickness | ||
14 | Install cap (20) | Replace the cap. | |
15 | Tighten pressure switch (10) | Fit new sealing ring | |
16 | Install radial shaft sealing rings (3, 14, 22) | Replace the radial shaft sealing rings. | |
17 | Install coupling flanges (2, 15, 23) | Replace the collar nuts. | |
| |||
Retainer wrench | |||
18 | Secure collar nuts (1, 16, 24) | ||
| Install | ||
19 | Install transfer case. | ||
20 | Pour oil into transfer case |
Transfer case gear set, shafts
Number | Designation | Model 903.0/4, 904.0/4 | |
BA28.50-N-1001-01B | Nut to front axle output shaft | Nm | 200 |
Transfer case housing
Number | Designation | Models 903.0/4/6, 904.0/4/6 | |
BA28.40-N-1003-01E | Nut securing front housing section to rear housing section | Nm | 28 |
Transfer case electrical system
Number | Designation | Models 903.0/4/6, 904.0/4/6 with code ZG1 | |
BA28.19-N-1003-01B | Temperature sensor to housing | Nm | 9 |
Transfer case complete
Number | Designation | Models 903.0/4, 904.0/4 | ||
BA28.10-N-1006-01C | Nut, coupling flange to transmission/to front axle to transfer case | M261.5 | Nm | 300 |
BA28.10-N-1007-01C | Nut, coupling flange to rear axle to transfer case | M261.5 | Nm | 300 |
460 589 15 15 00
Drift
Drift
Drift
Retainer wrench
389 589 01 15 00
750 589 02 15 00
717 589 00 31 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1026-01A | Terostat 33 sealant | A 001 989 61 20 |
BR00.45-Z-1001-06A | Long-life grease | A 000 989 63 51 11 |
Referenced documents
- ap2800d2801a Transfer case - oil change
- ar2810d0100a Remove/install transfer case
- ar2810d100201a Attach housing front section
- ar2810d100202a Install bushings in the housing
- ar2850d100004a Assemble front axle output shaft
- ar2850d100202a Prepare shift fork for installation
- ar3330d008503a Secure collared nut
- wf5850n281001a Circlip set for determining circlip thickness