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Vauxhall Astra using oil, WHY?

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john432
john432 Posts: 163 Forumite
Part of the Furniture 10 Posts
I have a 2003 1.6 petrol, 8 valve engine, with 70,000 miles.
It is using 0.5 litres of oil every 400 miles. The car runs perfectly and their isn't any oil leaks and no blue smoke from exhaust. This seems high oil consumption.
Those of you with the same engine, how much oil do you use?
Thankyou.

Comments

  • s_b
    s_b Posts: 4,464 Forumite
    Part of the Furniture 1,000 Posts Combo Breaker
    a compression test is the way forward
  • Alter_ego
    Alter_ego Posts: 3,842 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Try opening the oil filler with engine running, is it puffing out smoke?
    I am not a cat (But my friend is)
  • john432
    john432 Posts: 163 Forumite
    Part of the Furniture 10 Posts
    Tried that, no puffing.
  • Alter_ego
    Alter_ego Posts: 3,842 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    Are you sure there's no blue smoke from the exhaust when it's under load?
    I am not a cat (But my friend is)
  • WestonDave
    WestonDave Posts: 5,154 Forumite
    Rampant Recycler
    Had a W reg astra which I think is the same shape as yours 1.6 16v and that used to go through oil at a rate that meant I bought 5 litre bottles rather than the 1 litre top up jobs. Dealer (that I trust - private family business) seemed to think it wasn't uncommon with that range of Astra engines. Other than that, the car never gave me any hassle up to the point I sold it 3 years ago.

    I know there was an issue on the previous range of Astras, where the piston size tolerances were such that if you got a small piston in a large cylinder you'd end up with wrecked EGR valves fairly frequently, but as I said the version you have seemed fine.
    Adventure before Dementia!
  • mikey72
    mikey72 Posts: 14,680 Forumite
    Some of the astra engines just use oil. The same engine may use nothing in the next astra.
    The usual answer is just to keep topping up.
    I had a fiat that used nothing until you took it over 4500 rpm, then it used about a litre every 500 miles.
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