Remove/Install Transmission Oil Pump Radial Shaft Sealing Ring - AR27.40-P-0300EWM
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 (except 725.037/06/09)
Torque converter removed
Fig 1: Transmission Oil Pump Radial Shaft Sealing Ring Components Location - Transmission 725.0 (Except 725.037/06/09)
| Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil | Wear protective gloves, protective clothing and safety glasses. Do not pour transmission oil into beverage bottles. |
AS00.40-Z-0001-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Notes on automatic transmission | AH27.19-P-0001-01NKB | ||
| Remove | |||
| 1 | Pry radial shaft sealing ring (2) out of transmission firewall cover (3) using a suitable tool | Otherwise the transmission can be damaged. Otherwise, even the smallest foreign particle in the hydraulic components of the transmission can lead to malfunctions or a total failure of the transmission. Chamois leathers are the most suitable. |
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| 2 | Check seat of radial shaft sealing ring (2) for damage and galling | If a problem arises ↓ Install a new transmission firewall cover (3). |
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| Transmission 725.0 (except 725.007/017/037/047/06/09) | AR27.10-P-0400EWM | ||
| Install | |||
| 3 | Moisten sealing lip of new radial shaft sealing ring (2) with transmission oil | ||
| Automatic transmission fluids (ATF) (specification 236.17) | BB00.40-P-0236-17A | ||
| 4 | Drive new radial shaft sealing ring (2) into transmission firewall cover (3) using drift (01) | Fig 2 |