Replace Valve Stem Seals - AR05.30-P-3510-01MRH
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.
Engine 264
| Specified engine oils for Cars, Vans (service) - Overview | BB00.40-P-0223-02A |
MODIFICATION NOTES
| 02.10.2020 | Color assignment of valve stem seal (1) adapted. | Operation step 5. |
- Use
pliers (2) to remove valve stem seal (1).
- Check valve stem for ridging and pitting.
If ridging is present,
↓
Deburr valve stem.
If pitting is present,
↓
Replace valve.
- Fit protective sleeve onto the valve stem.
- Moisten valve stem seal (1) with engine oil.
- Install valve stem seal (1) by inserting
drift (3) to end stop.
Install valve stem seal (1) with red sealing on exhaust side and with black sealing on intake side.
- Pull off protective sleeve from valve stem.