1. Check the deformation of the cylinder head with a ruler (pic. 2.21). Cylinder head height: 106.9-107.1 mm. Normal value: 005 mm, limit value: 0.2 mm.
Pic. 2.21. Checking the deformation of the cylinder head with a ruler. 1 - Ruler
2. If the deformation exceeds the allowable value, grind off the metal layer. The maximum allowable grinding layer: 0.2 mm.