Engines Mercedes OM 501 LA / OM 502 LA, repair e-manual

Contents

Technical data engine

Removing, installing engine

Bleeding air in fuel system

Inspecting engine for dust damage

Inspecting cylinders with light probe

Testing compression pressure

Removing, installing cylinder head cover

Removing, installing protective sleeve

Instructions re coolant

Removing, installing cylinder

Checking, facing cylinder head contact surface

Removing, installing timing case cover

Removing, installing front radial seal in housing cover

Measuring cylinder bores

Measuring projection of cylinder liner

Removing and installing oil pan

Removing, installing decompression brake valve

Removing, installing timing case

Testing, repairing connecting rod

Removing, installing pistons

Removing, installing race on crankshaft

Replacing rear crankshaft radial seal

Removing and installing crankshaft

Measuring and mounting crankshaft

Removing, installing belt pulley/vihration Hamper

Removing, installing flywheel

Checking and re-machining flywheel

Replacing ring gear o f flywheel

Removing, installing race on flywheel

Removing, installing rocker arm assembly

Replacing valve stem seals

Replacing valve guides

Replacing valve seat rings

Grinding valves

Machining valve seat rings

Removing and installing fuel heat exchanger

Removing and installing nozzle holder assembly

Removing and installing MR/PLD control module

Removing and installing MR/PLD unit pump

Removing and installing MR/PLD injection pipes

Removing and installing fuel filter

Removing and installing intake manifold

Inspecting turbocharger

Removing and installing exhaust gas turbocharger

Removing and installing charge air pipe

Testing intercooler and charge air hoses for leaks

Removing and installing charge air manifold

Removing and installing poly V-belt

Removing and installing poly V-belt tensioning device

Disassembling and assembling compressor

Removing and installing exhaust manifold

Removing and installing exhaust gas plenum chamber

Removing and installing transverse exhaust pipe

Repairing engine brake flap connection

Removing, installing engine brake flap connection

Removing and installing the generator support

Filling engine oil circuit

Removing and installing oil spray nozzles (pistons)

Removing and installing oil pressure relief valve

Removing and installing oil pump

Disassembling and assembling oil pump

Removing and installing oil filter housing

Removing and installing the oil/water heat exchanger

Checking cooling system for leaks

Removing grease and scale in cooling system

Removing and installing engine coolant pump

Disassembling, assembling coolant pump

Testing coolant thermostat

Removing and engine installing cooiant thermostat

Removing and installing radiator

Removing and installing fan

Disassembling and assembling rear engine output

Removing and installing power steering/fuel pump unit

Removing and installing fuel pump/power steering pump unit

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