Engines Mercedes OM 457 LA / OM 502 LA / OM 904 / OM 906, repair e-manual
About the manual
Engine type: Mercedes OM 457 LA / OM 502 LA / OM 904 / OM 906
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Engine design and prevention information
- Information for a trip to the service station, if self-repair is not possible
About the manual
Engine type: Mercedes OM 457 LA / OM 502 LA / OM 904 / OM 906
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Engine design and prevention information
- Information for a trip to the service station, if self-repair is not possible
Contents
Welcome
Engine model series OM 457 LA
- Engine OM 457 LA
- Cylinder head
- Cylinder head - cross section (transverse and longitudinal)
- Port assignments in the cylinder head gasket
- Cylinder head bolts - tightening instructions
- Setting valve play
- Removing / installing the nozzle holder combination
- Valve cover and valve cover gasket
- Oil pan
- Pump-line-nozzle injection system
- Removing/installing the MR/PLD unit pump
- Pistons
- Lubrication schematic diagram
- Oil spray nozzle
- Crankcase and cylinder liner
- Camshaft
- Fuel system
- Fuel pump
- Fuel prefilter with heated water separator
- Planetary drive starter
- Fan drive and fan systems
- Air compressor
- Turbocharger BR S400
- Engine oil and filter change
- Replacing the fuel filter
- Fuel filter with water separator - replacing the filter element
- Air cleaner, engine coolant service
Series 500 Engine models
- Technical features
- Cylinder head - port assignment
- Cylinder head
- Cylinder head mounting
- Cylinder head gasket
- EURO 2 and EURO 3 cylinder heads compared
- Valve assembly
- Pump-line-nozzle injection system (PLD)
- Removing/installing the MR / PLD unit pump
- EURO 2 and EURO 3 pistons
- Connecting rod
- Crankcase
- Cylinder liners
- EURO 2 and EURO 3 cylinder liners compared
- Crankcase ventilation system
- Fuel system
- Oil cooler and oil filter housing – component locations
- Oil circuit
- Engine oil system
- Oil spray nozzle
- Water guide
- Thermostat location
- Supercharging system and charge air ducting
- Engine oil and filter change
- Cleaning the fuel prefilter / filter insert
- Fuel prefilter with water separator - replacing the filter element
- Replacing the oil separator insert
- Replacing the fuel filter - air cleaner - coolant
Engines OM 904 and 906
- Engine series 900
- Technical features
- Port assignments in the cylinder head gasket
- Tightening instructions for cylinder head bolts
- Valve control
- Setting valve play
- Pump-line-nozzle injection system (PLD)
- Crankcase
- Pistons and piston rings
- Connecting rod
- Pistons and connecting rod - modifications
- Engine oil circuit
- Removing/installing the oil pan
- Fuel system
- Supercharging system and charge air ducting
- Removing / installing the coolant thermostatic control
- Engine oil and filter change
- Cleaning the fuel prefilter - filter insert
- Fuel prefilter with water separator - replacing the filter element
- Replacing the fuel filter - air cleaner - coolant