Om422 Engine Workshop Manual [NEW]

Blown cylinder head gasket; corroded liner O-rings; cracked oil cooler core.

0.100 mm – 0.285 mm 3. Cylinder Head & Valve Train Overhaul

Unbolt the connecting rod caps and push the piston and rod assemblies upward out of the block. om422 engine workshop manual

Before performing any service, locate the engine data plate stamped on the crankcase. This identifies whether the engine is naturally aspirated (OM422), turbocharged (OM422A), or turbocharged and intercooled (OM422LA). Core Specifications 90° V8 Diesel Displacement: 14.62 Liters (14,618 cc) Bore x Stroke: 128 mm x 142 mm Aspiration: Natural, Turbocharged (A), or Intercooled (LA) Cooling System: Liquid-cooled Combustion System: Direct Injection Key Torque and Tensioning Values

Begins opening at 79°C; fully open at 92°C. Cooling Circuit Pressure Cap Rating: 0.5 bar to 0.7 bar. 7. Troubleshooting Common OM422 Faults Probable Cause Corrective Action Low Oil Pressure at Idle Worn main bearings; failing oil pump pressure relief valve. Blown cylinder head gasket; corroded liner O-rings; cracked

: Procedures for inspecting wear patterns and verifying oil clearance using Plastigage.

Scrap away the carbon ridge from the top of the cylinder liner. Before performing any service, locate the engine data

for this engine is more than just a repair guide; it is a blueprint for maintaining a machine capable of lasting over 2 million kilometers with proper care. Why the OM422 Workshop Manual is Essential

Defective glow plugs or cold-start system; retarded fuel injection timing; low compression.