Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/20-l/y-20-dth/99-hp-at-4300-rpm-230-nm-at-1950-rpm.html" title="Opel diesel straight-4 2.0 L Y 20 DTH 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM engine DIY maintenance and service manual">Opel diesel straight-4 2.0 L Y 20 DTH 99 HP at 4300 RPM, 230 N⋅m at 1950 RPM</a>, First stage

by Roman Paulov