(Remove/Install Catalytic Converter - AR49.20-P-0100SBA)
Engine 256.8 in model 223
| 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 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 danger zone. | AS49.00-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 | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Remove/install | |||
| 1 | Remove exhaust gas temperature sensors with sensor unit. | AR49.20-P-0015S | |
| 2 | Expose lambda sensor upstream of catalytic converter (1). | AR07.04-P-0086SB | |
| 3 | Expose lambda sensor downstream of catalytic converter (1). | AR07.04-P-0085SB | |
| 4 | Remove exhaust system from catalytic converter (1). | AR49.10-P-7142S | |
| 5 | Remove nut (2) and remove heat shield (3). | ||
| *BA09.40-P-1004-02MRT | |||
| 6 | Remove screws (4) and remove heat shield (5). | ||
| *BA09.40-P-1004-02MRT | |||
| 7 | Remove clip (6). | Ensure correct positioning of clamp (6) (arrow). Heat shield (3) can otherwise not be attached. Replace seal. |
|
| *BA49.10-P-1002-02Y | |||
| 8 | Remove screws (7). | *BA49.10-P-1035-02Y | |
| 9 | Remove screws (8). | *BA49.10-P-1036-02Y | |
| 10 | Unscrew screws (9). | *BA49.10-P-1037-02Y | |
| 11 | Remove catalytic converter (1) in upward direction. | Carefully remove catalytic converter (1). Otherwise electrical lines may be damaged. |
|
| 12 | Remove lambda sensor upstream of catalytic converter (1). | When replacing catalytic converter (1) | AR07.04-P-0086SB |
| 13 | Remove lambda sensor downstream of catalytic converter (1). | When replacing catalytic converter (1) | AR07.04-P-0085SB |
| 14 | Install in the reverse order. | ||
| 15 | Read out and delete fault memory. | ||
| 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 | |
| 16 | Perform an engine test run; check the engine for proper operation and the exhaust system for leaks. |
TURBOCHARGER
| Number | Designation | Engine 256 | |
|---|---|---|---|
| BA09.40-P-1004-02MRT | Nut/screw, heat shield to exhaust gas turbocharger/heat shield | Nm | 8 |
EXHAUST SYSTEM
| Number | Designation | Engine 256 in model 223 | |
|---|---|---|---|
| BA49.10-P-1002-02Y | Screw, Exhaust system to Exhaust gas turbocharger | Nm | 17 |
EXHAUST SYSTEM
| Number | Designation | Engine 256 in model 223 | |
|---|---|---|---|
| BA49.10-P-1035-02Y | Screw, Hot end to rear bracket | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Engine 256 in model 223 | |
|---|---|---|---|
| BA49.10-P-1036-02Y | Screw, Hot end to center bracket | Nm | 20 |
EXHAUST SYSTEM
| Number | Designation | Engine 256 in model 223 | |
|---|---|---|---|
| BA49.10-P-1037-02Y | Screw, Hot end to front bracket | Nm | 20 |