Remove/Install Coolant Feed Line For Turbocharger - AR20.20-P-1000MSA
Engine 256.9 in model 213, 238, 257, 290
| Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. 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 . 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 | |
| Notice | Notes on coolant | AH20.00-P-2080-01KOA | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notice | Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | |
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142MSA | |
| 2.1 | Remove the catalytic converter. | Engine 256.9 in model 213, 238 up to model year 2020 Engine 256.9 in model 257 except code 961 (Exhaust system with OPF, generation 2.0) except code 999 (Exhaust system with OPF, generation 3.0) Engine 256.9 in model 290 except code 961 (Exhaust system with OPF, generation 2.0) except code 999 (Exhaust system with OPF, generation 3.0) |
AR49.20-P-0100MSA |
| 2.2 | Remove exhaust gas aftertreatment unit. | Engine 256.9 in model 213, 238 as of model year 2020 Engine 256.9 in model 257, 290 with code 961 (Exhaust system with OPF, generation 2.0) Engine 256.9 in model 257, 290 with code 999 (Exhaust system with OPF, generation 3.0) |
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| Engine 256.9 in model 213, 238 as of model year 2020 | AR49.20-P-1500MSA | ||
| Engine 256.9 in model 257 with code 961 (Exhaust system with OPF, generation 2.0) Engine 256.9 in model 257 with code 999 (Exhaust system with OPF, generation 3.0) Engine 256.9 in model 290 with code 961 (Exhaust system with OPF, generation 2.0) Engine 256.9 in model 290 with code 999 (Exhaust system with OPF, generation 3.0) |
AR49.20-P-1500SA | ||
| 3 | Remove inerting system line from exhaust gas turbocharger (3) and place to one side. | Engine 256.9 in model 213, 238 with code 2U8 (Alternative refrigerant) | AR86.10-P-0119LWO |
| Engine 256.9 in model 257, 290 with code 2U8 (Alternative refrigerant) | AR86.10-P-0119FR | ||
| 4 | Remove screw/bolts (1, 2). | *BA09.40-P-1012-02MRT | |
| 5 | Remove coolant feed pipe (6) and coolant return line (5) from exhaust gas turbocharger (3). | ||
| Fig 1 | |||
| Fig 2 | |||
| 6 | Unscrew screw (4). | *BA09.40-P-1012-02MRT | |
| 7 | Remove coolant feed pipe (6). | ||
| Fig 1 | |||
| Fig 2 | |||
| 8 | Install in the reverse order. | ||
| Check | |||
| 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 | |
| 9 | Perform engine test run. While doing so, check engine for proper operation and leak tightness. |
TURBOCHARGER
| Number | Designation | Engine 256 | ||
|---|---|---|---|---|
| BA09.40-P-1012-02MRT | Screw, water feed line/return line to exhaust gas turbocharger/crankcase/cylinder head | Stage 1 | Nm | 8 |
| Stage 2 | ∠° | 60 | ||