Cylinder head, Cylinder head screws, <a href="https://garage.wiki/audi/engines/diesel/straight-4/20-l/blb/138-hp-at-4000-rpm-320-nm-at-1750-rpm.html" title="Audi diesel straight-4 2.0 L BLB 138 HP at 4000 RPM, 320 N⋅m at 1750 RPM engine DIY maintenance and service manual">Audi diesel straight-4 2.0 L BLB 138 HP at 4000 RPM, 320 N⋅m at 1750 RPM</a>, First stage
by Roman Paulov