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Thread: What grade oil do Y30DT owners find best?

  1. #1
    Regular Member renodci's Avatar
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    Default What grade oil do Y30DT owners find best?

    I need my 3.0cdti serviced, and have a very good mechanic I always use, but not sure what oil to ask him to use. The manual says "0W-30, 5W-30, 10W-30 or higher than 30".......not terribly helpful!

    Would be interested to find what grade other Y30DT owners have found works best for them please.

    Thanks
    John.

  2. #2
    Full Member gixerjd's Avatar
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    Vehicle : vectra c

    Trim : vxr

    Engine : z28neh

    Year : 2009

    Mileage : 31000

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    use vauxhall 5w30 fella dexron 2 stuff best stuff for them but you need 7.2 lts for a oil change with filter fella

    if you get it from vauxhall on trade club there £19.58 plus vat for 5lts so you will need 2 and will cost you around £47

    but if you buy 4 x 5 lts you get the 4th one free so will cost you £71.98 all in for 20lts and will do 2 oil changes near on 3 lol

  3. #3
    Regular Member ghostdog's Avatar
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    I agree with gixerjd, 5w-30 dexron 2 genuine GM oil. Its also used in BMW, VW etc as well. Shop around, I managed to get 2 x 5ltr for £21 a piece with free delivery.

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    Full Member gixerjd's Avatar
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    Vehicle : vectra c

    Trim : vxr

    Engine : z28neh

    Year : 2009

    Mileage : 31000

    Default

    Quote Originally Posted by ghostdog View Post
    I agree with gixerjd, 5w-30 dexron 2 genuine GM oil. Its also used in BMW, VW etc as well. Shop around, I managed to get 2 x 5ltr for £21 a piece with free delivery.

    only thing is fella there is a lot of fake stuff kicking about on the likes of ebay etc so be carefull what you buy and to be honest its only £23.50 all in at the dealers on trade

  5. #5
    Regular Member renodci's Avatar
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    Thanks guys - 5w-30 dexron it is then.

  6. #6
    Regular Member m8internet's Avatar
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    When under OE warranty you were supposed to use any GM-LL specification oil, hence the list
    This allowed service intervals up to 30K miles / 2 years, as indicated by the ECO Flex Service Indicator
    If you wish to continue using the Service Indicator (and 30K miles intervals) then use GM-LL oil
    Equally, if the car is covered by a third party warranty you should continue to do so

    If you want to reduce the intervals to less than 20K miles / 1 year, then you can use any Synthetic oil, typically 10W40
    You should then reset the Service Indicator manually, as it will not display

  7. #7
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    5w50, but it has become rather expensive especially as I change the oil every 10k and I do 30k/year...so I switched to GM 5w30.

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