Disassemble/Assemble Multidisk Clutch K27 - AR27.50-P-0619EWM
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Transmission 725.0/1
| Notes on automatic transmission | AH27.19-P-0001-01NKB | ||
| Disassemble/assemble | |||
| 1 | Remove retaining ring (5) from multidisk clutch K27 (1) | ||
| 2 | Remove clutch pack (6) | ||
| 3 | Mount pressure device (8) onto external plate carrier (7) and push down far enough on spring cup (9) enough until the retaining ring (10) is exposed | Fig 4 | |
| Fig 1 | |||
| 4 | Remove retaining ring (10) | Fig 2 | |
| 5 | Apply some compressed air through hole to output shaft (2) and remove piston (12) | ||
| 6 | Remove spring cup (9) | ||
| 7 | Remove disk spring (11) | ||
| 8 | Remove sealing rings (15, 16, 17) | ||
| Check | |||
| 9 | Check bearing (13) | If damage is found on bearing (13) ↓ Replace external plate carrier (7) and needle roller bearing in transmission housing |
|
| Disassemble/assemble transmission housing | AR27.40-P-0510EWM | ||
| 10 | Check park pawl gear (3) | If damage is found on the park pawl gear (3) ↓ Replace external plate carrier (7) and needle roller bearing in transmission housing |
|
| Disassemble/assemble transmission housing | AR27.40-P-0510EWM | ||
| 11 | Replace Torlon rings (14) | Do not bend or press Torlon rings (14). Otherwise, the Torlon rings (14) may be damaged. |
|
| Fig 3 | |||
| 12 | Install in the reverse order | ||
| 13 | Measure clearance of multidisk clutch K27 (1) and adjust, if necessary | AR27.51-P-0550-04EWM | |
| Clearance in multidisk clutch K27 | *BE27.51-P-1004-01E | ||
| Fig 5 | |||
| Fig 4 | |||
| Fig 1 | |||
| Fig 6 |
ADJUSTMENT VALUES FOR MULTIDISK CLUTCH/MULTIDISK BRAKE
| Number | Designation | Transmission 725.0/1 | |||
|---|---|---|---|---|---|
| BE27.51-P-1004-01E | Clearance in multidisk clutch K27 | Contact force for clearance adjustment | F1 | N | 60 |
| Number of internal plates | 3 | mm | 1, 8...2, 0 | ||
| 4 | mm | 2, 2...2, 4 | |||
| 5 | mm | 2, 6...2, 8 | |||
| 6 | mm | 2, 9...3, 1 | |||
| 7 | mm | 3, 1...3, 3 | |||