98 V70R engine oil

		Volvo Owners Club Forum > "Technical Topics" > 850 / S70 & V70 '96-'99 / C70 '97-'05 General
98 V70R engine oil

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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models

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May 10th, 2021, 18:26

AndyV7o

Premier Member

Last Online: Jun 21st, 2021 20:47

Join Date: Jun 2018

Location: Creswell

Quote:

Originally Posted by JohnM 855 T5R

A3/B4 oil should never be used unless it is also certified to conform to A3/B3 as well. As per my above post, B3 is certified for use in high performance petrol engines, B4 is certified for use in performance diesel engines. Whilst many full synthetics are certified to conform to both B3 and B4, there are some that are not. Check, check check on the can what the oil is certified to.

John

A3 is petrol cert, B3 is an older diesel spec essentially superceded by B4 but still exists as yet for more basic oil. You wont find singular A or B specs now they are always combined as A3/B3 or most commonly A3/B4. Basically B3 is short life B4 is extended drain.
Check check check indeed fella! Please! 😉😉👍

Last edited by AndyV7o; May 10th, 2021 at 20:32.

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