Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/19-l/f9q-774/80-hp-at-3500-rpm-200-nm-at-2000-rpm.html" title="Opel diesel straight-4 1.9 L F9Q 774 80 HP at 3500 RPM, 200 N⋅m at 2000 RPM engine DIY maintenance and service manual">Opel diesel straight-4 1.9 L F9Q 774 80 HP at 3500 RPM, 200 N⋅m at 2000 RPM</a>, First stage
by Roman Paulov