1 | Belt pulley/vibration damper |
2 | Slinger |
3.1 | Radial shaft sealing ring |
3.2 | Cassette-type sealing ring |
4 | Housing cover |
5 | Seal |
6 | Dowel pins |
7 | Oil pan |
8 | Drift |
W01.40-1134-06
Warning | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
Caution | 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. | |
Topical note | Notes on avoiding damage through contamination and foreign objects | ||
| Remove | ||
1 | Remove belt pulley/vibration damper (1). |
| |
Vehicles with code ML3 (High-speed fan drive with belt drive) | |||
Vehicles with code MZ5 (Electromagnetic fan drive (Linnig coupling)) | |||
2 | Remove slinger (2). | ||
3 | Remove oil pan (7). | ||
4 | Remove cassette-type sealing ring (3.2). | Only if cassette-type sealing ring (3.2) is installed. | |
| Front crankshaft seal - altered | ||
| |||
MB multipurpose grease, 400 g | |||
Extraction and insertion tool | |||
Pulling device | |||
5 | Remove housing cover (4). | ||
6 | Remove seal (5). | ||
7 | Place housing cover (4) flat on two wood strips and press out radial shaft sealing ring (3.1) with drift (8). | Only if a radial shaft sealing ring (3.1) is installed. | |
| Front crankshaft seal - altered | ||
Drift | |||
| Check | ||
8 | Check tread of the radial shaft sealing ring (3.1) on the crankshaft flange or on the race. | Only if a radial shaft sealing ring (3.1) was installed. | |
If galling is present on the crankshaft flange or on the race, | |||
| |||
Mount new race onto crankshaft flange or repair crankshaft. | |||
Remove/install race on the crankshaft | |||
| Clean | ||
9 | Clean sealing surfaces. | ||
| Install | ||
10 | Install new seal (5). | ||
11 | Attach housing cover (4) via the dowel pins (6) to the crankcase. | Bolt, front housing cover to crankcase | |
12 | Install oil pan (7). | ||
13.1 | Install new radial shaft sealing ring (3.1). | Engine 541.9, 542.9 up to engine end number 709510 | |
| Front crankshaft seal - altered | ||
Install radial shaft sealing ring (3.1) dry on the outer surface and coated with engine oil on the contact surface. | |||
Removal and insertion device | |||
13.2 | Install new cassette-type sealing ring (3.2). | If necessary | |
| Front crankshaft seal - altered | ||
| |||
Install cassette-type sealing ring (3.2) on the outer surface dry. | |||
Pulling device | |||
14 | Install slinger (2). | Pay attention to installation position. The slinger (2) must be installed with the flat side toward belt pulley/vibration damper (1). | |
15 | Install belt pulley/vibration damper (1). |
| |
Vehicles with code ML3 (High-speed fan drive with belt drive) | |||
Vehicles with code MZ5 (Electromagnetic fan drive (Linnig coupling)) | |||
16 | Perform engine test run, switch off engine, and check in the area of the housing cover (4) and the oil pan (7) for leak tightness. | Visual inspection. |
312 589 13 15 00
Drift
457 589 01 33 00
Pulling device
700 589 08 43 00
Extraction and insertion tool
541 589 02 33 00
Removal and insertion device