7 | Range group cylinder |
21 | Compressed-air line |
22 | Compressed-air line |
24 | Electrical connector |
W26.31-1033-06
G26.31-3121-09
1 | Shift piston | 4 | Holding device | ||||
2 | Tappet | 5 | Shift rod |
| Remove | ||
1 | Depressurize compressed-air system. | See information from body manufacturer. | |
2 | Disconnect electrical connector (24) from range group cylinder (7). | ||
3 | Remove compressed-air lines (21, 22) from range group cylinder (7). | ||
4 | Remove range group cylinder (7). | Synthetic grease 50 g | |
5 | Remove sealing ring from shift piston (1). | ||
6 | Block shift rod (5) using holding device (4). | ||
Holding device | |||
7 | Remove shift piston (1) from shift rod (5). | Heat shift piston (1) up to approx. 80°C so that the quick-acting adhesive is released. | |
Claw wrench | |||
8 | Remove tappet (2) with spring from shift rod (5). | ||
| Install | ||
9 | Insert tappet (2) together with spring into shift rod (5). | ||
10 | Apply quick-acting adhesive to thread of shift rod (5) and install shift piston (1) onto shift rod (5). | Quick-acting adhesive, Loctite 270 | |
11 | Tighten shift piston (1) on shift rod (5). | Remove any excess quick-acting adhesive from shift piston (1) and shift rod (5) using a rag. | |
Shift piston to range group shift rod | |||
Claw wrench | |||
Holding device | |||
12 | Install new sealing ring onto shift piston (1) and fill cavity between both sealing lips of sealing ring with lubricant. | Klueber Polylub GLY 801 grease | |
13 | Remove holding device (4). | ||
14 | Install range group cylinder (7). | ||
15 | Connect vehicle diagnosis system and switch on ignition. | See information from body manufacturer. | |
16 | Teach in transmission control unit (TCM) (A5). | The teach-in process is completely menu-assisted under: | |
17 | Remove vehicle diagnosis system. |
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Holding device
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Claw wrench