Camshafts, repair dimensions for models C16NZ2, 1.8 and 2.0 liters — general description (Opel Vectra A)

1. Camshafts and casings for these engines are divided during production into one of two size groups; standard and increased size 0.10 mm. Please note that these sizes are not intended for replacement in worn engines, but in order to take into account deviations during production - any size can be installed on new engines.

2. "Oversized" components are marked with a purple dot on the end of the drive belt.

3. Whenever the camshaft or housing is replaced, check (direct measurement if necessary), what size (standard or enlarged) has been installed and ensure that the components are of the correct sizes.

[Text copied from an online resource www.OPELBOOK.ru]