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Which method of changing oil is better?

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  • 23-01-2007 12:13am
    #1
    Greenman
    Registered Users Posts: 2,962 ✭✭✭


    The guy in the past used to change by loosening the bolt under the sump and let the oil flow out.

    My new guy puts a rod into the place where you check your oil and sucks the oil out.

    My question is, is one method better than the other or are they much of a muchness?

    Thanks in advance JD!!!!!


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    #2
    colm_mcm
    Registered Users Posts: 73,396 ✭✭✭✭colm_mcm


    I would have thought the old fashioned way would be better as it would flush out any gunk in the bottom of the sump. I may be wrong though.


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    #3
    JohnCleary
    Registered Users Posts: 10,208 ✭✭✭✭JohnCleary


    Definately the old fashioned way of draining from the sump is better, you get rid of all the oil

    I have to use the dip-stick method on my boat, only gets about 3/4 the oil out


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    #4
    mukki
    Closed Accounts Posts: 2,669 ✭✭✭mukki


    you might want to shorten the service interval a small bit if your using the dip thing


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    #5
    crosstownk
    Registered Users Posts: 12,863 ✭✭✭✭crosstownk


    colm_mcm wrote:
    I would have thought the old fashioned way would be better as it would flush out any gunk in the bottom of the sump. I may be wrong though.

    I totally agree. Also, a lot of cars have a 'magnetic' sump bung which attracts fine particles of metal. Its a good idea to remove the bung and clean it once in a while. A 'Dalek" will suck the oil out, but is less likely to suck out oil that has gone 'sludgey' or any metal shavings on the bung.

    If the manufacturer thought that sucking was sufficient then they would have ommited the sump bung.......................
    Untitled Image




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    #6
    Mr Magnolia
    Moderators, Recreation & Hobbies Moderators Posts: 10,430 Mod ✭✭✭✭Mr Magnolia


    crosstownk wrote:
    I totally agree. Also, a lot of cars have a 'magnetic' sump bung which attracts fine particles of metal. Its a good idea to remove the bung and clean it once in a while. A 'Dalek" will suck the oil out, but is less likely to suck out oil that has gone 'sludgey' or any metal shavings on the bung.

    If the manufacturer thought that sucking was sufficient then they would have ommited the sump bung.......................

    Ya, I throw an engine flush in every couple of services too.


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    #7
    Greenman
    Registered Users Posts: 2,962 ✭✭✭Greenman


    Thanks to all who replied, I might ask him to do the old method or discuss it with him.

    Thanks JD!!!!


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    #8
    Seth Brundle
    Moderators, Politics Moderators Posts: 39,026 Mod ✭✭✭✭Seth Brundle


    don't discuss it - tell him! If he continues to suggest the suction yoke then walk away as he then knows sweet fa about engines!


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