00-0010 Tightening torques
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Group | Designation | Nm |
01 | Closure of oil gallery to rocker arm shaft Crankshaft bearing cap to crankcase Closure of crankcase oil gallery at front and rear Closure for oil drilling in crankcase Closure for engine maintenance counter connection Dipstick tube to crankcase Oil drain plug to oil sump Sheet metal sump to crankcase, hexagon bolt hexagon nut Guide tube screw fitting to oil filler neck Closure of scavenging holes in cylinder head M241.5 M301.5 Cylinder head to crankcase Cylinder head cover to cylinder head Screw plug for coolant drain to crankcase Timing case to crankcase End cover to timing case 8.8 10.9 Cylinder cover to crankcase Oil spray nozzle to crankcase with valve without valve Oil return flow connection to oil sump threaded fitting | 90 1) 45 100 60 25 80 10 15 40 70 to 150 100 to 200 8) 25 55 60 10 12 25 25 15 70 |
03 | Flywheel to crankshaft Belt pulley/vibration damper to crankshaft stretch bolt rolled shank bolt with engine output at front Vibration damper with ring tensioning elements to crankshaft Conrod bearing cap to conrod | 3) 500 to 600 800 to 900 800 to 900 7) 4) |
05 | Thrust washer to crankcase Injection timing device to camshaft Spherical pin to rocker arm Rocker arm shaft to rocker arm bracket Rocker arm shaft complete to cylinder head | 35 300 40 5 100 |
07 | Injection pump gear to injection pump M141.5 M181.5 Injection pump to support Injection pipe screw union to cylinder head M161.5 M221.5 Injection pump support to timing case Compressed air cylinder to bracket Compressed air cylinder retaining pin to bracket Pressure pipe to injection pump | 80 105 45 10 10 35 15 20 25 |
Footnotes see 00.33-010/4 up to 00.33-010/5
Group | Designation | Nm |
07 | Pressure pipe to nozzle holder Leak oil pipe to nozzle holder Nozzle holder protective sleeve to cylinder head Thrust bolt for nozzle holder to cylinder head Nozzle in nozzle holder Fuel pipe to filter and injection pump Fuel pipe to injection pump suction chamber Bleeder pipe with pressure relief valve to injection pump Bleeder pipe to fuel filter Fuel filter bowl to fuel filter support | 25 20 50 70 80 35 35 35 35 20 |
09 | Compressor rear wall to bearing housing KKK Garrett Compressor housing to compressor rear wall KKK Control unit to control flap KKK Boost pressure pipe to compressor housing KKK Compressor housing Turbine housing Turbocharger to exhaust manifold Flanged manifold to turbocharger Clip of boost air pipe to turbocharger Oil delivery pipe to turbocharger Oil delivery pipe to oil cooler Oil return pipe to turbocharger Shaft nut to rotor shaft | 10 20 7 5 8 15 20 50 30 5 25 40 25 5) |
13 | Cylinder head bolt of compressor Bearing cap to crankcase Wabco Knorr Valve plate to intermediate plate Screw plug to cylinder head Connection fitting for suction pipe Cylinder liner to crankcase Screw plug of oil delivery pipe Oil delivery pipe to compressor Belt pulley to compressor Power steering pump support to cylinder head M8 M10 | 6) 10 25 12 130 90 25 20 15 100 35 60 |
14 | Exhaust manifold to cylinder head Exhaust pipe to exhaust manifold Intake manifold to cylinder head | 2) 45 25 |
15 | Starter to clutch housing Ball stud to starter intermediate flange Alternator to support M10 M121.5 Tensioning bolt to crankcase Tensioning bolt/tensioning strap to alternator Belt pulley to alternator M141.5 M161.5 M241.5 M271.5 | 60 25 40 60 40 40 65 80 140 150 |
Footnotes see 00.33-010/4 up to 00.33-010/5
Group | Designation | Nm |
18 | Oil pressure relief valve to oil pump cover Closure of oil pressure relief valve - oil filter Oil delivery pipe to injection pump Oil delivery pipe to oil filter Pressure gauge connection to oil filter support Oil gauge sender to oil cooler Oil gauge sender to oil filter Screw plug to oil filter support M101 Plug of oil galleries to oil filter support M181.5 Union fitting to oil filter carrier Oil pump to crankcase Cover to oil pump Intake pipe to oil pump cover Oil filter support to crankcase Oil filter bowl to oil filter support Oil drain plug to oil filter bowl (light alloy) Oil cooler to crankcase (OM 366) without lock washer with lock washer Oil cooler cap to oil cooler Screw plug for oil cooler cap Screw plug of oil pressure relief valve to oil cooler Banjo bolt to oil filter support | 20 70 15 15 35 50 50 20 55 55 35 35 35 55 45 20 40 30 30 45 65 60 |
20 | Coolant pump to crankcase M8 M10 Belt pulley to coolant pump Thermostat housing to cylinder head Cap to thermostat housing Seal holder to coolant pump housing | 30 50 35 30 30 30 |
22 | Front engine supporting arm to crankcase | 170 |
23 | A/C compressor to bracket A/C compressor to bearing bracket | 20 40 |
Footnotes see 00.33-010/4 up to 00.33-010/5
Footnotes
1) Crankshaft bearing cap to crankcase:
1st stage 80 to 90 Nm
2nd stage 90° to 100° tightening angle
max. shank length 123 mm
2) Exhaust manifold to cylinder head:
1st stage 60 Nm
2nd stage 90° tightening angle
3) Flywheel to crankshaft:
bolt length up to 28 mm
1st stage 30 to 40 Nm
2nd stage 90° to 110° tightening angle
max. shank length 26.3 mm
bolt length from 31 mm to 48 mm:
1st stage 50 to 60 Nm
2nd stage 90° to 110° tightening angle
max. shank length 31.3 / 35.0 / 36.8 / 38.8 / 44.3 / 47.3 mm
bolt length from 53 mm to 78 mm:
1st stage 80 to 90 Nm
2nd stage 90° to 110° tightening angle
max. shank length 53.0 / 62.5 / 76.3 mm
4) Conrod bearing cap to conrod:
1st stage 40 to 50 Nm
2nd stage 90° to 100° tightening angle
max. shank length 56.8 mm
5) Shaft nut to rotor shaft:
Garrett: 1st stage 2 Nm
2nd stage 90° tightening angle
KKK: warm tightening 7 to 9 Nm,
after cooling down slacken and tighten once again
1st stage 5 Nm
2nd stage 55° to 60° tighten. angle
6) Compressor cylinder head bolt:
1st stage 15 Nm
2nd stage 35° tightening angle
7) Vibration damper with ring tensioning elements to crankshaft:
1st stage 800 to 900 Nm
2nd stage 45° to 55° tightening angle
max. shank length 55.7 mm
Footnotes
8) Cylinder head to crankcase:
Hexagon bolts
OM 364 up to engine end no. 027173
OM 366, A, LA, up to engine end no. 071683
Tighten cylinder head bolts in 3 stages.
1st stage 60 Nm
2nd stage 90 Nm
3rd stage initial fitting 120 Nm
re-fitting 110 Nm
perm. stretch up to max. 112 mm
Re-tightening after warming-up 110 Nm
Re-tightening after 500 km 110 Nm
Twelve-point bolts
OM 364 as of engine end no. 027174
OM 366, A, LA, as of engine end no. 071684
Tighten cylinder head bolts in 4 stages.
1st stage 60 Nm
2nd stage 90 Nm
3rd stage 120 Nm
4th stage 90° to 100° tightening angle
perm. stretch up to max. 113 mm
No re-tightening necessary!