Camshaft - Inspection
1. Inspect the camshaft journals for wear. If the journals are significantly worn, replace the camshaft.
2. Inspect the camshaft lobes for damage. If the lobes are damaged or their wear exceeds the allowable limit, replace the camshaft.
![Высота кулачков распределительного вала [Номинальное значение] Впускной : 44,82](/media/hyundai-elantra/12271/images/books/2271/01/index.124.gif)
Camshaft Lobe Height [Standard] Intake: 44.82 mm Exhaust: 44.72 mm [Limit] Intake: 44.72 mm Exhaust: 44.62 mm
3. Inspect the back surface of the camshaft lobes for damage or significant wear, and replace the camshaft if necessary.
4. Inspect the camshaft journal bores for damage. If the camshaft journal bore wear exceeds the allowable limit, replace the cylinder head assembly or the camshaft bearing caps.
Camshaft end play: 0.1 - 0.2 mm CAMSHAFT OIL SEAL 1. Inspect the sealing lip of the oil seal for wear. If the sealing lip is worn, replace the oil seal.

2. Inspect the camshaft surface that contacts the oil seal sealing lip. If the shaft surface is worn, replace the camshaft.
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.