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1B3-14 OM600 ENGINE MECHANICAL9. Loosen the bolt and remove the coolant pipe and cooling fan shroud.
10. Remove the hoses (air intake to intercooler, intercooler to intake duct).
8. Disconnect the upper coolant hose from the radiator.
Tightening Torque 3 -7 Nm
11. Remove the pipes connected to intercooler.
Page 280 of 1574
OM600 ENGINE MECHANICAL 1B3-15
15. Remove the air-conditioner lines from the compressor.Notice Evacuate the refrigerant before removal.
12. Remove the hose(air cleaner to turbocharger) with blowby hose.
13. Disconnect the air cleaner intake hose and remove the air cleaner cover and element.
14. Disconnect the coolant hose from the water inlet.
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1B3-18 OM600 ENGINE MECHANICAL
27. Disconnect the preheating time relay sensor plug.
28. Disconnect the coolant temperature sensor plug.
29. Disconnect the accelerator cable from the control linkage.Installation Notice
Tightening Torque 8 - 18 Nm
30. Loosen the connection of control pressure cable (an arrow) used in auto transmission.
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1B3-22 OM600 ENGINE MECHANICALWith Air Conditioner
Removal & Installation Procedure
1. Remove the nut.
2. Push the tensioning lever in direction of arrow with a rod
(F12 ´ 180mm) and pull out the bolt to the rear.
3. Push back the tensioning lever (arrow direction) to release the spring tension and remove the belt.
4. Install the poly V-belt beginning at the tensioning pulley (7). 7 Tensioning Pulley
8 Crankshaft
9 Alternator
10 Coolant Pump 11 Guide Pulley
12 Power Steering Pump
13 Aircon. Compressor
Lengthe of Belt
Length (L)
Without Air Conditioner 2,100 mm 2,040 mm
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1B3-40 OM600 ENGINE MECHANICAL Disassembly Procedure
1. Completely drain the coolant from the radiator and cylinderblock.
2. Remove the cooling fan shroud.
3. Hold the fan with counter holder and remove the bolt and then remove the cooling fan. Notice Keep the fan in vertical position.
Counter Holder 603 589 00 40 00
5. Remove the nut.
6. Remove the nut on the tensioning lever and insert therod(F12 ´ 180mm). By pushing the rod to the arrow direction,
pull back the bolt.
7. Push the tensioning lever to the opposite direction to release the spring tension and remove the poly V-belt.
4. Remove the bracket oil dipstick tube.
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1B3-44 OM600 ENGINE MECHANICAL
22. Remove the cable channel.
23. Disconnect the cables from the glow plug sensor andcoolant temperature sensor.
24. Remove the heater pipe bracket from the oil filter.
25. Pry off the clamp and push the heater feed pipe forward and then pull out the pipe.
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1B3-60 OM600 ENGINE MECHANICAL
35. Connect the wires to the coolant temperature sensor andthe glow plug sensor.
36. Replace the intake manifold gasket.
37. Install the intake manifold.
Tightening Torque 25 Nm
33. Replace the gasket and install the cylinder head cover.
Tightening Torque 10 Nm
34. Install the blow-by hose.
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OM600 ENGINE MECHANICAL 1B3-177
CYLINDER HEAD PRESSURE LEAKAGE TEST Preceding Work : Removal of the cylinder head Removal of the exhaust manifold Removal of the valve
1 Feed Pipe
2 Bolt
3 Return Connection
4 Gasket ................................................................ Replace
5 Coolant Gallery ................................................... Sealing
6 Pressure Measuring Plate ..................................Completely tight to the cylinder head
7 Cylinder Head .....................................................
Immerse with pressure measuring plate into warm water of approx. 60 °C and pressurize with compressed
airof 2 bar.
Notice If air bubbles are seen, replace the cylinderhead.
Tools Required
115 589 34 63 00 Pressure Measuring Plate 601 589 00 25 00 Suspension Device
UNIT REPAIR