Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/17-l/y-17-dtl/64-hp-at-4400-rpm-130-nm-at-2000-rpm.html" title="Opel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM engine DIY maintenance and service manual">Opel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM</a>, First stage
by Roman Paulov