Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/diesel/straight-4/19-l/f9q-774/" title="Opel diesel straight-4 1.9 L F9Q 774 engine DIY maintenance and service manual">Opel diesel straight-4 1.9 L F9Q 774</a> engines, First stage
by Roman Paulov