Set Basic Position Of The Balance Shaft - AR03.20-P-3638CD
ENGINE 651 in MODEL 166, 172, 204, 207, 212, 218, 221
MODIFICATION NOTES
| 16.05.2017 | Replace special tool | Operation steps 6, 7, 9, and 10 |
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 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 threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Notes on self-locking nuts and bolts | AH00.00-N-0001-01A | ||
| Notes on bolted connections with self tapping screws | AH00.00-P-0007-01SF | ||
| Remove | |||
| 1 | Secure vehicle on vehicle lift | Engine 651 in model 166 | AR00.60-P-0100GZ |
| Engine 651 in model 172 | AR00.60-P-0100T | ||
| Engine 651 in model 204, 207 | AR00.60-P-0100CW | ||
| Engine 651 in model 212, 218 | AR00.60-P-0100EWS | ||
| Engine 651 in model 221 | AR00.60-P-0100SX | ||
| 2 | Remove timing case cover | AR01.40-P-8000CD | |
| 3 | Remove oil pan | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 Engine 651 in model 166 |
AR01.45-P-7500GQA |
| Engine 651 in model 172 | AR01.45-P-7500SLK | ||
| Engine 651 in model 204 (except 204.9), 212 with transmission 711 except code M005 (4MATIC) Engine 651 in model 204 (except 204.9), 212 with transmission 722 except code M005 (4MATIC) Engine 651 in model 207 with transmission 711 Engine 651 in model 207, 218 with transmission 722 Engine 651 in model 212 with transmission 724.20 except code M005 (4MATIC) |
AR01.45-P-7500CD | ||
| Engine 651 in model 204, 212 with code M005 (4MATIC) | AR01.45-P-7500OMD | ||
| Engine 651 in model 204.9 except code M005 (4MATIC) | AR01.45-P-7500OND | ||
| Engine 651 in model 221 | AR01.45-P-7500SXA | ||
| Adjust | |||
| 4.1 | Set piston of cylinder 1 to top dead center (ignition TDC) with counterholder | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 except code B03 (ECO start/stop function) |
Figure |
| 4.2 | Set piston of cylinder 1 to top dead center (TDC) with suitable tool | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 with code B03 (ECO start/stop function) |
|
| 5 | Loosen screw/bolts (1) for the drive wheels (2) | ||
| 6 | Turn balance shafts, and position assembly tools (4 and 5) | The shaft offset (3) must point in the direction of the cylinder head. Engine damage can occur otherwise. |
Figure |
| 7 | Turn back balance shafts and fix in place with an assembly tool (6) | Figure | |
| 8 | Tighten screw/bolts (1) on drive gears (2) | *BA03.20-P-1001-02H | |
| 9 | Detach assembly tool (6) | Figure | |
| 10.1 | Set crankshaft to 30° after ignition TDC of cylinder 1 with counterholder, and remove assembly tools (4 and 5) | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 except code B03 (ECO start/stop function) |
Figure |
| Figure | |||
| 10.2 | Set crankshaft to 30° after ignition TDC of cylinder 1 with suitable tool, and remove assembly tools (4 and 5) | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 with code B03 (ECO start/stop function) |
Figure |
| 11 | Check basic position of the balance shafts | AR03.20-P-3637CD | |
| Install | |||
| 12 | Install oil pan | Engine 651 in model 166, 172, 204, 207, 212, 218, 221 Engine 651 in model 166 |
AR01.45-P-7500GQA |
| Engine 651 in model 172 | AR01.45-P-7500SLK | ||
| Engine 651 in model 204 (except 204.9), 212 with transmission 711 except code M005 (4MATIC) Engine 651 in model 204 (except 204.9), 212 with transmission 722 except code M005 (4MATIC) Engine 651 in model 207 with transmission 711 Engine 651 in model 207, 218 with transmission 722 Engine 651 in model 212 with transmission 724.20 except code M005 (4MATIC) |
AR01.45-P-7500CD | ||
| Engine 651 in model 204, 212 with code M005 (4MATIC) | AR01.45-P-7500OMD | ||
| Engine 651 in model 204.9 except code M005 (4MATIC) | AR01.45-P-7500OND | ||
| Engine 651 in model 221 | AR01.45-P-7500SXA | ||
| 13 | Install timing case cover | AR01.40-P-8000CD | |
| 14 | Remove vehicle lift safety device, and lower vehicle | Engine 651 in model 166 | AR00.60-P-0100GZ |
| Engine 651 in model 172 | AR00.60-P-0100T | ||
| Engine 651 in model 204, 207 | AR00.60-P-0100CW | ||
| Engine 651 in model 212, 218 | AR00.60-P-0100EWS | ||
| Engine 651 in model 221 | AR00.60-P-0100SX | ||
| Check | |||
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | AS49.00-Z-0001-01A | |
| 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. | AS00.00-Z-0005-01A | |
| 15 | Check for oil leaks with engine running |
BALANCE SHAFT
| Number | Designation | Engine 651 | ||
|---|---|---|---|---|
| BA03.20-P-1001-02H | Bolt, drive gear to balance shaft | Stage 1 | Nm | 50 |
| Stage 2 | ∠° | 90 | ||