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Piston ring...

  • 16-04-2016 4:45pm
    #1
    artanevilla
    Moderators, Education Moderators, Sports Moderators Posts: 10,974 Mod ✭✭✭✭


    02 Astra 1.4 Petrol has been burning a bit of oil for a while. Old car and I put in a lot of mileage, so I wasn't too concerned, just kept and eye on it and topped it up.

    Changed the oil and plugs today, No.3 cylinder plug was covered in oil, all others okay.

    I'm guessing it's a piston ring?

    I'm in no position financially to get it done or a new jammer, so is there anything I can do to minimize the issue?


Comments

  • #2
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    Not really, once rings go they go. I suppose you can do a proper fix DIY but first, can you do a compression test to confirm?


  • #3
    Toyotafanboi
    Registered Users, Registered Users 2 Posts: 12,917 ✭✭✭✭Toyotafanboi


    Are tou sure it isn't the valve cover gasket leaking oil down?


  • #4
    artanevilla
    Moderators, Education Moderators, Sports Moderators Posts: 10,974 Mod ✭✭✭✭artanevilla


    biko wrote: »
    Not really, once rings go they go. I suppose you can do a proper fix DIY but first, can you do a compression test to confirm?

    I might be able to get hold of an aircraft compression tester. I'll see if that fits in.
    Toyotafanboi wrote: »
    Are tou sure it isn't the valve cover gasket leaking oil down?

    I'm not, how could I see if it is/isn't?


  • #5
    Skatedude
    Registered Users, Registered Users 2 Posts: 2,674 ✭✭✭Skatedude


    or a valve guide, only compression test will confirm worn rings.


  • #6
    Irish Steve
    Moderators, Motoring & Transport Moderators Posts: 6,522 Mod ✭✭✭✭Irish Steve


    Very unlikely to be valve cover gasket, that keeps the oil from escaping from the inside of the engine to the outside, and if it fails, there's oil everywhere on the outside of the block, but if it's burning oil, a much more likely suspect would be the valve stem oil seals, which could be letting oil pass down the valve guides.

    Shore, if it was easy, everybody would be doin it.😁



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  • #7
    artanevilla
    Moderators, Education Moderators, Sports Moderators Posts: 10,974 Mod ✭✭✭✭artanevilla


    Irish Steve wrote: »
    Very unlikely to be valve cover gasket, that keeps the oil from escaping from the inside of the engine to the outside, and if it fails, there's oil everywhere on the outside of the block, but if it's burning oil, a much more likely suspect would be the valve stem oil seals, which could be letting oil pass down the valve guides.

    Big job to replace?


  • #8
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    Can you tell us where exactly was the oil from the picture below?

    Was it on the white part with NGK written on it or was it only on the electode part on the right of the picture?

    NGK-Spark-plug-02.jpg


  • #9
    artanevilla
    Moderators, Education Moderators, Sports Moderators Posts: 10,974 Mod ✭✭✭✭artanevilla


    Electrode, suggesting the oil is in the cyclinder.


  • #10
    George Dalton
    Registered Users, Registered Users 2 Posts: 5,728 ✭✭✭George Dalton


    So there was no oil in the spark plug well before you removed the plug?

    In that case it is probably a piston/ring issue as you said. There really isn't much you can do about it without rebuilding the engine, which is not really financially viable on a car of that age/value.


  • #11
    artanevilla
    Moderators, Education Moderators, Sports Moderators Posts: 10,974 Mod ✭✭✭✭artanevilla


    None in the well no. Thought as much. Thanks.


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