Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/17-l/z-17-dtl/79-hp-at-4400-rpm-170-nm-at-1800-rpm.html" title="Opel diesel straight-4 1.7 L Z 17 DTL 79 HP at 4400 RPM, 170 N⋅m at 1800 RPM engine DIY maintenance and service manual">Opel diesel straight-4 1.7 L Z 17 DTL 79 HP at 4400 RPM, 170 N⋅m at 1800 RPM</a>, First stage

by Roman Paulov