Fault Diagnosis: Cylinder Head
The cylinder head is another major component in the engine block.
Before we start revising the cylinder head, it is first placed in a “pressure bath”. This machine ensures that the cylinder head is submerged into a water bath at 60°C, after which it is subjected to pressure. If a cylinder head has cracks, these become apparent via air bubbles in the water bath.
![](http://www.engineroom.de/images/eng-IMG-cylinder_head_01_402_403.jpg)
By using this standard checking procedure we avoid potential leaks in the cylinder head, as well as other problems like pressure build-up and water leakage in pistons. The cylinder head is then revised and fitted with new parts.
After comprehensive revision, it is also important to re-level the cylinder head to realise perfect passage. By levelling the cylinder block and the engine block, we avoid risks and ensure 100% compatibility with the original specification.
Before we start revising the cylinder head, it is first placed in a “pressure bath”. This machine ensures that the cylinder head is submerged into a water bath at 60°C, after which it is subjected to pressure. If a cylinder head has cracks, these become apparent via air bubbles in the water bath.
![](http://www.engineroom.de/images/eng-IMG-cylinder_head_01_402_403.jpg)
By using this standard checking procedure we avoid potential leaks in the cylinder head, as well as other problems like pressure build-up and water leakage in pistons. The cylinder head is then revised and fitted with new parts.
- Valves
- Valve seats
- Valve guides
- Valve caps
After comprehensive revision, it is also important to re-level the cylinder head to realise perfect passage. By levelling the cylinder block and the engine block, we avoid risks and ensure 100% compatibility with the original specification.
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