AR25.20-W-0300DA | Clutch servo unit removal and installation | 15.6.09 |
MODEL , 375.3, 950.5 /6, 952.5 /6, 953.6, 954.5, 958.2 except CODE (IY2) Hydraulic fluid as per sheet 345.0
with clutch booster and without central clutch release bearing
MODEL 374.5 with TRANSMISSION 715.5 with CODE (IY2) Hydraulic fluid as per sheet 345.0
with clutch booster and without central clutch release bearing
W25.20-1020-09
1 Plunger
2 Clutch servo assistance
3 Clutch travel sensor connector
8 Sealing ring
9 Banjo bolt
10 Sealing ring
11 Connector
4 Compressed-air line
5 Fuse
6 Hydraulic line
7 Banjo union (compressed air line)
W25.20-1055-12
2 Clutch servo assistance
3 Clutch travel sensor connector
4 Compressed-air line
6 Hydraulic line
12 Bracket, compressed air line
13 Electrical connector
| Remove/install | ||
| Notes on hydraulic fluid as per specification 345.0 | ||
1 | Drain reservoir pressure of compressed air system | ||
2 | Separate clutch travel sensor connector (3) | ||
3 | Detach bracket of compressed air line (12) | ||
4 | Detach compressed-air line (4) | When loosening the compressed air line (4) counterhold at the banjo bolt (9). | |
| |||
5 | Unscrew the banjo bolt (9) | When loosening the banjo bolt, counterhold at the banjo union (7). | |
Installation: Install new sealing rings (8). | |||
| |||
6 | Remove locking device (5) from connector (11) and detach hydraulic line (6) | Collect escaping brake fluid using a suitable container. | |
7 | Disconnect electrical connector (13) | ||
8 | Remove clutch servo unit (2) | | |
9 | Remove plunger (1) | Installation: Clean and grease ball head and guide of plunger (1). | |
10 | Detach connector (11) | Only when replacing the clutch booster (2). | |
Installation: Replace sealing ring (10). | |||
| |||
11 | Install in the reverse order | ||
12 | Bleed clutch operating system |
Clutch booster
Number | Designation | Model | Model | |
BA25.20-N-1001-01J | Bolt, clutch booster to transmission housing | Nm | 50 | 50 |
BA25.20-N-1003-01J | Banjo bolt (compressed-air line) on clutch booster | Nm | 40 | 40 |
BA25.20-N-1010-01J | Union nut (compressed-air line) at clutch booster | Nm | 40 | 40 |
Repair materials
Number | Designation | Order number |
BR00.45-Z-1001-06A | Long-life grease | A 000 989 63 51 11 |
Odkazované dokumenty
- ah0040n000201a Upozornění k hydraulickému oleji podle specifikačního listu 345.0
- ar2520w0070ea