Interesting video below from a channel worth watching.
Considering the harm done by Volvo's poor choice in factory oil and maintenance intervals, this could be something that helps.
Certainly a gentler option than a chemical flush, which is the route I took to combat the oil consumption issue on my XC90.
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www.torquenews.com
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Considering the harm done by Volvo's poor choice in factory oil and maintenance intervals, this could be something that helps.
Certainly a gentler option than a chemical flush, which is the route I took to combat the oil consumption issue on my XC90.
Summary:
The Truth About Whether Valvoline’s Restore & Protect Motor Oil Really Works
Will Valvoline’s Restore & Protect motor oil really do all it claims to clean your engine of carbon deposits? An oil expert weighs in on this question.

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