940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Tighten oil filter
Screw home filter by hand until seal makes firm contact. Tighten a further 1/2-3/4 turn.
Fill engine with oil.
Start engine.
Inspect filter for leakage.
When replacing filter only:
Top up engine with 0.5 l (0.5 US qt) of oil.