Remove/Install Valves - AR05.30-P-3511MRI
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 in model 205, 253
MODIFICATION NOTES
| 07.08.2019 | Information document AH05.30-P-1000-02SZ, added. | Operation step 4. |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove the valve stem seals (5). | AR05.30-P-3501MRI | |
| 2 | Close the compressed air valve on the assembly device (01) and let compressed air out of the assembly device (01). | Fig 2 | |
| 3 | Remove cylinder head (1) from assembly device (01). | Fig 2 | |
| 4 | Remove the valves (6). | ||
| General information on checking valves, valve seats and valve guides | AH05.30-P-1000-02SZ | ||
| Check | |||
| 5 | Check valve stems for formation of burrs and pitting. | If ridging is present, ↓ Deburr valve stem. If pitting is present, ↓ Replace valves (6) |
|
| 6 | Check the valve seats for pitting and cracks. | If pitting or cracks are present, ↓ Replace cylinder head (1). |
AR01.30-P-5800MRI |
| 7 | Install in the reverse order. |