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  1. Join Date
    Oct 2002
    Posts
    1,306
    #1
    My mechanic told me na instead na bumili pa kami ng engine flush, pwede na daw ang kerosene. Is this okay?

    TIA.

  2. Join Date
    Oct 2002
    Posts
    15,528
    #2
    Quote Originally Posted by Bry View Post
    My mechanic told me na instead na bumili pa kami ng engine flush, pwede na daw ang kerosene. Is this okay?

    TIA.
    engine oil flush? imho, hindi pwede yan. oil flushes are basically oils with low viscosity. it might harm your engine.

  3. Join Date
    Oct 2002
    Posts
    13,415
    #3
    mabawasan na talaga dapat mga siraniko sa pinas... geez.

  4. Join Date
    Nov 2005
    Posts
    7,976
    #4
    IMO wag! Need ba talaga i-flush? Napabayaan ba sa oil change interval at nag sludge?
    Even engine flush is not good kung periodic naman ang oil change.

  5. Join Date
    Dec 2007
    Posts
    17
    #5
    bro, wag ka gagamit ng engine oil flush, makakadamage yan sa mga moving metal parts sa loob ng makina mo. nakakanipis ng yan ng metal. better to use a low grade oil for about 2 days then palitan mo na ng high grade oil. maaaring sumama na lahat ng dumi sa loob ng makina. regular oil change prevents costly problems sa engine.

  6. Join Date
    Jul 2006
    Posts
    3,600
    #6
    I think, it's your mechanic who should be flushed. Just my humble opinion

    Follow the advice stated above, and just keep the car in good shape with regular oil changes with good quality filters.

    If you're doubtful have the lower oil pan removed and inspect for metal bits.

  7. Join Date
    Sep 2007
    Posts
    1,456
    #7
    Just drain the oil overnight bro. .

  8. Join Date
    Jun 2007
    Posts
    1,189
    #8
    baka pagkakaintindi niya engine wash di flush magkatunog diba?

  9. Join Date
    Dec 2007
    Posts
    710
    #9
    Quote Originally Posted by washburn View Post
    baka pagkakaintindi niya engine wash di flush magkatunog diba?
    wahehehe.. lolz. lagyan mo ng Kerosene tapos sindihan mo! bwakekekeke JK!


    anywayz, as everyone stated. hindi talaga maganda gumamit ng Engine Flush. kahit dito sa US, even though there are some Engine Flush systems/additives that you can buy (and is very cheap), most mechanics and shops still dont recommend doing it. coz the main problems of Engine Flush is that they destroy the Valve Stem Seals (even some Main Seals and Gaskets..) and the Rod and Main Bearings. Engine Flush thins out the Oil, hence it losing its viscosity. and basically its like mixing Fuel w/ Oil, which is not very good on 4 stroke engines (2 strokes, pwede pa.. but for modern 4 stroke engines, its definitely a NO NO!)


    aite, peace.

  10. Join Date
    May 2007
    Posts
    2,328
    #10
    Makikialam narin ako.

    *Bry your mechanic is RIGHT only if he knows the right procedures. I say this because KEROSENE flush really works, not an Urban Legend. We have done this before when I was in Military (not U.S goverment vehicle) with cars. I would say it safe since all the cars we did is having no problems or complain from the owner some said their engine perform much better than it was.

    Procedure:

    1. Drain your old engine oil, except one quart. Do not remove old oil filter.
    2. Add approx. 3 quarts of kerosene into your engine.
    3. start engine. DO NOT GUN THE ENGINE.
    4. Let it run until warm. NOT HOT just WARM. about 6-10 Min.
    5. Turn off engine
    6. Drain the entire contents. replace plug.
    7. Pour one quart new oil and 3 quarts kerosene again into the engine.
    8. Start engine until slightly warm. Again DO NOT GUN YOUR ENGINE
    9. Turn off engine
    10. Drain the entire contents. This time you can now remove your oil filter.
    You can pour kerosene into the engine(NON RUNNING ENGINE) as it drains out until it comes out clear. You could blow AIR your engine spout if one available.
    11. Pour two quarts of oil and let it run out untill comes out of the oil pan.
    12. Replace new oil filter/ plug and add your favorite oil. Start engine. Check for level.

    OPTIONAL: You can drain your oil one more time Or you could change it after 500 Kilometers. Then resume routine maintenance.
    This is a great job!

    The residue that comes out be BLACK and TIN liquid. Chunks and sludge disolved by kerosene.

    This procedures is safe TO ME and other previously car done. I honestly perform and actually did the job in my other car too.

    If planning to do this I would say why not, but I am not resposible for any problem arise by doing this. Again, I experienced this before and Ill do it again.
    Last edited by v6dreamer; January 3rd, 2008 at 05:13 AM.

  11. Join Date
    Jul 2006
    Posts
    681
    #11
    pwede na siguro yung delo muna for 2-5 days
    tapos balik sa ginagamit mong engine oil

  12. Join Date
    Oct 2002
    Posts
    15,528
    #12
    Quote Originally Posted by Bry View Post
    My mechanic told me na instead na bumili pa kami ng engine flush, pwede na daw ang kerosene. Is this okay?

    TIA.
    if Bry is talking about engine oil flushing, i would rather spend some bucks on recommended engine oil flushes than gamble with kerosene. but then, Bry would only need flushing if the oil change was done on a long interval resulting in oil sludges.

    but he may be talking about engine washes (sounds like flush). pero, hindi naman binibili ang engine wash.

    if he is talking about engine wash, an engine degreaser is more recommended than using kerosene.

  13. Join Date
    Sep 2004
    Posts
    2,975
    #13
    Yung mga nagre-rebuild at nag-ooverhaul ng mga makina along Commonwealth Avenue, kerosene din ang ginagamit pantanggal ng sludge and varnish.

    Hmmm, but as an engine oil flush? I'll be having second thoughts

  14. Join Date
    Oct 2002
    Posts
    14,822
    #14
    Wouldn't 100% kerosene somehow damage the oil seals (making it dry or brittle?) of your engine?

    AFAIK, some engine flush products do contain kerosene.

  15. Join Date
    Jan 2006
    Posts
    1,682
    #15
    kerosene is diesel without oil. If only there where no moving parts inside the injection pump and injectors that needs lubrication they would have thought of that as fuel for compression engines. I think kerosene is jet fuel also. Sobrang konti kasi ang parts that needs lubrication.
    Have done the kerosene before when i had an SD23 engine.
    Now what i do is drain overnight at kung masipagsipag i remove the oil pan and check the bits an pieces inside.
    Another way i do it is drain oil. Put low grade oil then run for around 5 -10 min then drain again. Extreme cases lang naman.

  16. Join Date
    Sep 2003
    Posts
    1,064
    #16
    Quote Originally Posted by mazdamazda View Post
    Wouldn't 100% kerosene somehow damage the oil seals (making it dry or brittle?) of your engine?

    AFAIK, some engine flush products do contain kerosene.
    I agree with M2. it will harm the seals.

  17. Join Date
    Oct 2002
    Posts
    15,528
    #17
    Quote Originally Posted by 4JGtootsie View Post
    kerosene is diesel without oil. If only there where no moving parts inside the injection pump and injectors that needs lubrication they would have thought of that as fuel for compression engines. I think kerosene is jet fuel also. Sobrang konti kasi ang parts that needs lubrication.
    Have done the kerosene before when i had an SD23 engine.
    Now what i do is drain overnight at kung masipagsipag i remove the oil pan and check the bits an pieces inside.
    Another way i do it is drain oil. Put low grade oil then run for around 5 -10 min then drain again. Extreme cases lang naman.
    Kerosene is a refined crude oil by-product. I think this is the last stage of refinery. That is why, wala syang oil content.

  18. Join Date
    Jul 2006
    Posts
    3,600
    #18
    Kerosene is added to diesel to prevent it from gelling, but it has been warned that kerosene use in the engine can cause it to degrade the seals and since it's not as much of a lubricant as regular diesel fuel is. Therefore it is not recommended to use in its full concentration. In fact it was only recommended for use with around 5% mix with diesel - but this is for fuel use. If you use it in the crankcase you might risk damaging the seals like the crankshaft seals, which are difficult to replace.

    *Bry is this for your taxi fleet? If it is I suggest you avoid doing these things and just undergo routine maintenance such as tune ups, oil changes, fluid changes and their corresponding filter changes or cleaning, to maintain the cars in their optimum shape. Otherwise since it's not the best known method of maintenance just avoid it for peace of mind.

    The decision is up to you and you know the risks now. If it works, well then good but if not then that's your call. When in doubt, don't na lang. Just my opinion. Good luck.
    Last edited by mbeige; January 3rd, 2008 at 02:27 PM.

  19. Join Date
    Aug 2003
    Posts
    120
    #19
    or use Motul's engine flush.. i find it pretty effective. medyo pricey pero you dont really need it naman at every oil change.

  20. Join Date
    Dec 2006
    Posts
    344
    #20
    i used kerosene to flush residual oils in my china motorcycle, it does produce positive results. I also used kerosene to clean my motorcycle chain and see it does really clean.

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Kerosene as engine oil flush?