Fluid ยท Engine Oil
Engine Oil
for 1984 Buick Grand National 3.8L V6 Turbo ยท RWD
Fluid Type
10W-30 or 10W-40 conventional or synthetic
Spec: API SF (modern API SN/SP acceptable)
Capacity
5qt
4.73 L
Drain & Refill
5 qt
4.73 L
Change Interval
3,000 mi
4,827 km
Notes
Capacity with filter. Early turbo V6, benefits from frequent oil changes and synthetic oil
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