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Cylinder block and drive of engine units KAMAZ-740.30-260

The cylinder block is the main body part of the engine and is a cast iron with vermicular graphite

Crank mechanism of the Kamaz-740.30-260 engine

The crankshaft is made of high-quality steel and has five main and four connecting rod journals, connected by cheeks and mated with transition fillets

Gas distribution mechanism of diesel KAMAZ 740.30-260

The gas distribution mechanism is designed to ensure the intake of fresh air charge into the cylinders and the release of exhaust gases from them

Assembly of the cylinder block of the G4KD and G4KE engine

Cylinder block

Removal and installation of the cylinder head of the 2.0 liter engine. - G4KD and 2.4 liters. – G4KE

  • - it is not necessary to remove the engine to remove the cylinder head
  • - to prevent damage to the paintwork of the wings of the body, it is necessary to use a special coating
  • - to prevent damage to the cylinder head, before removing it, you must wait until the engine cools down

Tightening torques for threaded connections YaMZ-238

Threaded connection / Tightening torque Nm (kgf m)

Main bearing cap bolts:

Possible malfunctions of the YaMZ-238 engine

The normal operation of the engine and its long service life can only be ensured if all recommendations are followed.

Malfunctions of hydraulic pushers of the VAZ-21126 engine

In the article, we will consider possible malfunctions of hydraulic valve clearance compensators and solutions

Continuation of the article "Faults in the VAZ-21114 engine"

Possible malfunctions - Diagnostics - Remedy

Malfunctions of the VAZ-21114 engine

Let's consider the malfunctions that may occur during engine operation:

  • - The crankshaft is not turned by the starter;

Possible malfunctions of ZMZ-406

During the operation of the engine, some malfunctions may occur:

  • - engine does not start;

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