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Thread: Have Vauxhall Changed Their CDTI Engine Oil Policy?.

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    Regular Member felixx's Avatar
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    Exclamation Have Vauxhall Changed Their CDTI Engine Oil Policy?.

    Booked my Vectra in for it's annual service in January.As it's having a full service this time round,there were one or two things I needed to point out to them to make sure that it was noted on the job sheet.When I asked about fully synthetic oil and any extra charge etc,(they put 10-40 semi in it last time),she told me that they had changed their oil policy and now routinely put in 0-30 fully synthetic as standard.Has anyone else heard of this?. FELIXX.

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    Regular Member john_k_sri's Avatar
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    Vehicle : Insignia Grand Sport

    Trim : SRI VX-LINE NAV

    Engine : 1.5T (165)

    Year : 2018

    Mileage : 25000


    AFAIK VX recommend 5W-30 for all engines, a fact which is referenced in the User Manual, with 10W-40 for top-up between services.

    However each dealer seems to have had their own 'take' on it and many have used 10W-40 as it is cheaper.

    Interestingly my dealer is now using 5W-40 on all cars it services.

    Certainly, the use of 10W-40 for pre-facelift EcoFLEX extended service intervals (up to 20,000 (30,000 for diesel) miles/2years) was not recommended.

    Essentially any oil that conforms to the Longlife 'LL' specifications indicated in the User Manual will be OK.

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    Regular Member m8internet's Avatar
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    Many dealerships charge full price but cut costs by using "any old oil"

    When the servicing for my car was being paid for by VX, I asked the dealership to confirm what oil they had used
    They confirmed they had used 10W40 semi synthetic
    I phoned VX and got them to confirm in writing that GM-LL specification should have been used
    On my return the dealership advised the oil was acceptable, but I phoned VX whilst there and they were instructed to replace the oil
    The records for my car were then updated, "Use GM-LL specification oil only"

    The difference was quite clear from that service onwards, the service indicator increasing from about 18K miles to about 25K miles

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