AR13.30-T-6010AA | Remove/install compressor cylinder head | 8.12.05 |
ENGINE 457.942 in MODELS NMB671.015 /020 /021 /030 /042 /332 /333
T13.30-0028-06
1 Air intake hose
2 Control line
3 Compressed-air line
4 Bolt
5 Compressor
6 Cylinder head
7 Coolant line
| Remove/install | ||
Danger! | Risk of injury to skin and eyes caused by 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 pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | |
1 | Close shutoff valves for cooling system | See Operator's Manual | |
2 | Drain coolant | Installation: Pour in coolant. | |
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| Notes on coolant | All engines | |
3 | Remove passenger seat above interior flap to engine | Model 671 except FACELIFT 2000. | |
Model 671 FACELIFT 2000 | |||
Danger! | Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. | When moving components, ensure that no body parts or limbs are within the operating range of moving parts. | |
4 | Remove interior flap above engine | ||
5 | Remove coolant lines (7) from compressor (5) | Installation: Replace sealing rings. | |
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6 | Detach air intake hose (1) from compressor (5) | ||
7 | Unscrew control line (2) from compressor (5) | ||
8 | Disconnect compressed air line (3) from compressor (5) | Installation: Check compressed-air line (3) for carbon deposits and leaktightness, replace if necessary. | |
9 | Remove screws (4) | | |
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10 | Remove cylinder head (6) from compressor (5) | Installation: Install new gasket | |
11 | Install in the reverse order | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine | Secure vehicle to prevent it from moving by itself. | |
12 | Start engine and run for about 1 minute at varying speeds | ||
13 | Switch off engine and top up coolant | ||
14 | Start start the engine and run until the coolant operating temperature has been reached | ||
15 | Switch off engine and allow to cool down | Allow the engine to cool until the coolant temperature reaches about 50°C. | |
16 | Check coolant level, adjust to correct level if necessary. | At a coolant temperature of about | |
| Correct engine cooling system liquid level Correct corrosion/anti-free protection | ||
| Checking | ||
17 | Inspect cooling system for leaks |
Compressor (compressed air system)
Number | Designation | Engine 457.9 | ||
BA13.30-N-1002-01G | Banjo bolt, coolant line to compressor | M161.5 | Nm | 40 |
M141.5 | Nm | 35 | ||
BA13.30-N-1007-01G | Bolt, cylinder head to compressor crankcase | Stage 1 | Nm | 25 |
Stage 2 | ° | 90 | ||
Engine cooling system
Number | Designation | Engine | ||
BF20.00-N-1001-01D | Filling capacity for coolant | without VOITH retarder | Liters | 76...92 |
with VOITH retarder | Liters | - | ||
Specifications for Operating Fluids | Sheet | |||
Sheet | ||||
Torque wrench
000 589 64 21 00