Mercedes-Benz OM 904 LA User Manual

111
Technical data
Tightening torques
7
 Tightening torques
i
All threads on mechanical parts and re-
lated contact surfaces must be clean,
smooth and lubricated with engine oil;
other lubricants require significantly
different tightening torques.
Designation Nm
Engine block
Bolt securing cylinder head cover to the cylinder head 30
Bolt securing the oil sump to the cylinder crankcase 25
Poly-V-belt tensioning device to the cylinder crankcase/to the hydraulic pump bracket/
to the support
50
Fuel/injection system
Injection line to the unit pump pressure pipe connection 35
Banjo bolts for fuel lines 40
Cap to the fuel filter housing 25
Starter motor/alternator
Starter motor to the timing case 50
Alternator support to the cylinder crankcase 100

Mercedes-Benz OM 904 LA Specifications

General

Displacement	4.25 L
Bore	102 mm
Stroke	130 mm
Rated Speed	2200 rpm
Fuel Type	Diesel
Aspiration	Turbocharged
Power Output	130 kW (177 hp) at 2200 rpm
Torque	600 Nm
Cooling System	Liquid Cooled
Fuel Injection	Common rail
Engine Type	4-cylinder in-line