Volvo 1990 780 Model
pg. 95 Engine oil (cont.)
Oil quality
API SG or alternatively API SF
*Oils with designations SG/CD, SF/CC and SF/CD comply with these requirements.
Viscosity (stable ambient temperatures):
Volvo recommends the use of energy-conserving oils.
Look for the API label.
Synthetic or semisynthetic oils may be used if their specifications comply with the oil quality
requirements.
Volvo does not recommend additional oil additives, as they can adversely affect the engine.
SAE 15W/40 is recommended for use in driving conditions that raise oil temperature and increase oil
consumption (i.e., mountain driving; trailer towing).
NOTE: SAE 15W/40 must not be used at ambient temperatures; see viscosity
chart.
Changing oil and oil filter
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