Remove/Install Turbocharging Additional Compressor - AR09.50-P-4770SB
Engine 256.9 in model 223
with code M016 (Uprated engine)
MODIFICATION NOTES
| 26.04.2022 | SPK designation changed. | Operation step 11. |
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-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 | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Remove charge-air distributor. | AR09.41-P-8683SB | |
| 2 | Remove screws (1). | *BA09.40-P-1015-02MRT | |
| *BA09.50-P-1002-02MRT | |||
| 3 | Remove coolant lines (5). | Lubricant, rubber assembly 1 L |
*BR00.45-Z-1010-06A |
| Fig 1 | |||
| Fig 2 | |||
| 4 | Release and disconnect electrical connector (2), unclip electric line. | ||
| 5 | Release and disconnect electrical connector (3), unclip electric line. | ||
| 6 | Remove bracket (4). | *BA09.41-P-1015-01MRT | |
| 7 | Remove screw (6) and remove charge air line (7). | Lubricant, rubber assembly 1 L |
*BR00.45-Z-1010-06A |
| *BA09.41-P-1006-01MRT | |||
| Fig 1 | |||
| 8 | Release screw clamp (8) and remove screw (9) at timing case. | *BA09.41-P-1009-01MRT | |
| *BA09.41-P-1004-01MRT | |||
| 9 | Remove charge air line (10). | Lubricant, rubber assembly 1 L |
*BR00.45-Z-1010-06A |
| Fig 1 | |||
| 10 | Remove screws (11). | *BA09.50-P-1001-02MRT | |
| 11 | Remove electric additional compressor (M60/1). | ||
| 12 | Install in the reverse order. | ||
| Concluding tasks | |||
| 13 | Connect diagnostic system, read out fault memory and clear if necessary. | ||
| AD00.00-P-2000-06FR | |||
| 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 | |
| 14 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
TURBOCHARGER
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.40-P-1015-02MRT | Screw, coolant feed pipe to oil filter housing | Nm | 8 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.41-P-1004-01MRT | Screw, charge air line to timing case | Nm | 8 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.41-P-1006-01MRT | Screw, charge air line to additional compressor | Nm | 8 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.41-P-1009-01MRT | Screw clamp, boot between charge air lines | Nm | 4 |
CHARGE AIR PIPE/CHARGE AIR COOLING
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.41-P-1015-01MRT | Screw, charge air distributor support to crankcase | Nm | 8 |
ADDITIONAL COMPRESSOR
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.50-P-1001-02MRT | Screw/bolt, additional compressor to crankcase | Nm | 14 |
ADDITIONAL COMPRESSOR
| Number | Designation | Engine 256.9 | |
|---|---|---|---|
| BA09.50-P-1002-02MRT | Screw, feed line/return line to additional compressor | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1010-06A | Lubricant, rubber assembly 1 L | A 000 989 03 67 |