A3 Mk1
Measured distance minus minimum dimension
Note: If the maximum permissible reworking dimension is 0 mm or less than 0 mm, repeat the measurement with a new valve. If the measured result is again 0 mm or less than 0 mm, replace the cylinder head. |
→ Reworking inlet valve seat
1) Calculating maximum permissible reworking dimension => Page 15-87. |
→ Reworking exhaust valve seat
1) Calculating maximum permissible reworking dimension => Page 15-87. Note: Exhaust valve seat inserts also have an additional constriction. When reworking it is essential to ensure that the radius of the constriction is not damaged. |