940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Install camshaft carrier
Fit new 0-rings in grooves around spark plug wells.
Position carrier on cylinder head and replace nuts 1, 2, 4 and 5 in central bolted joint.
See Camshafts/Tappets, Installing to complete project. See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair