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Thread: Which Engine oil for a 1.7cdti

  
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    Maverick's Avatar
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    Which Engine oil for a 1.7cdti

    Anyone know which grade and spec engine oil I should be using in a 1.7cdti please (06 plate)
    Previous owner of: HA Viva, HC Viva, Nova Hatch, Astra Mk II GTE, Astra Mk 4

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    Vauxhall 5/30 fully synthetic.

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    yeah dont listen to what vauxhall say if you ask them ¬_¬ they told me to but 10/40w in there and thats wrong.... so now i have to pay for more oil to get it sorted!
    2006 Vauxhall Astra 1.7 CDTI Elite 100ps

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    Ive got a 2006 mk4 astra G van, 80ps, Z17DTL engine, Im a bit confused as to which oil to use as halfrauds dont recognise the vehicle as it made 2 yrs after the car had stopped production

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    Why 5W-30 and not 10W-40

    I asked Kwil Fit how much to do an oil & filter change. They said £29.95. When I asked what oil they would put in he looked on the computer and said 10W-40

    Why would Vauxhall put 10W-40 in the car at new but folk on here are saying they later changed it to 5w-30.

    Is Vauxhall admitting they got it wrong or are folk on this forum giving out the wrong advice? Whats the reason for the change?
    Previous owner of: HA Viva, HC Viva, Nova Hatch, Astra Mk II GTE, Astra Mk 4

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    usually tells u in ur handbook i'd stick to that i would think 10w 40 semi synthetic is the min you could use though.

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    the cdti's are supposed to be 5/30 and the older dti's are 10/40

    although been putting 10/40 magnatec in mine since 80k with no probs

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