Disassembling, assembling transmission housing · ar2640s2002b · Mercedes-Benz WIS

AR26.40-S-2002B

Disassembling, assembling transmission housing

27.2.12

MODEL 638 with ENGINE 111.950 /980, 611.980 except CODE (G40) Automatic transmission

S26.40-1007-09

1 Rotary shaft seal

2 Neutral locating pin

3 Oil way (output shaft)

4 Oil way (input shaft)

5 Needle bearing

6 Tapered roller bearing outer race (longitudinal differential)

7 Roller bearing

8 Roller bearing

9 Guide pin (shift lock)

10 Bearing (transmission suspension)

11 Transmission housing

 	Disassembling, assembling
1	Disassemble transmission		AR26.10-S-0001B
2	Remove rotary shaft seal (1)		AR26.40-S-0001A
3	Remove neutral locating pin (2)		AR26.60-S-6540A
4	Remove oil way (3)	 Do not damage the guide lugs of oil way (3).
5	Remove oil way (4)	 Do not damage the guide lugs of oil way (4).
6	Remove needle bearing (5)		AR26.50-S-4800-02A
		 Impact drift	*638589111500
		 Internal extractor	*000589263300
		 Countering support	*000589333300
7	Remove tapered roller bearings (7, 8)	 Heat up housing to approx. 80-100°C if necessary.
8	Remove guide pin (9) using a suitable tool	 Heat up housing to approx. 80-100°C if necessary.
		 Assembling: The exact mounting depth of the guide pin (9) is determined by the impact drift.
		 Impact drift	*638589121500
9	Remove tapered roller bearing outer race (6)		AR26.50-S-5000-01A
		 Impact drift	*638589101500
		 Internal extractor	*000589313300
		 Countering support	*000589343300
		 Two-arm puller	*000589883300
		 Thrust piece	*321589006300
10	Remove transmission suspension bearing (10)		AR26.10-S-0030A
11	Assemble in reverse order