The manual say 20w40 but I use 10w40 normal motor oil with any trouble.
Viscosity and additives.
15 is thicker oil and for bigger engines.
yes read your owners manual hotter the thicker the oili use 10w40 and 50 check with your mechanic on 20w40 and 50
The primary difference between 10W30 and 10W40 motor oils is their viscosity at high temperatures. Both oils have the same viscosity at low temperatures (indicated by the "10W"), but the "30" and "40" represent their viscosity at high temperatures, with 10W40 being thicker. This means 10W40 provides better protection in higher temperatures and may be suitable for hotter climates or heavy-duty engines, while 10W30 is often recommended for moderate temperatures and general driving conditions. Choosing the right oil depends on your vehicle's engine specifications and operating conditions.
0W40 is thinner oil made for the tolerances of the Porsche motor. the bearing clearances will not allow proper flow if 10W40 is used and premature wear will occur.
10w40
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Use only the weight recommended by Volvo and I doubt that they recommend 10w40.
There is no difference between the term "motor ship" and the term "motor vessel." The two are commonly used interchangeably.
The Correct Motor Oil for this vehicle is a 10W40 Synthetic Motor Oil