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Thread: ~Problem with Engine Oil on Diesel Corolla~

  1. #1
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    Default ~Problem with Engine Oil on Diesel Corolla~

    Hello Friends,

    I have 1984 corolla converted to Diesel 1C engine. I have been using Shell Remulla D SAE 20W50 engine oil for quite a while. The engine is getting a bit used now and gives a bit of smoke and consume a little bit of oil. I Recently changed to ZIC SD5000 SAE15W40. Initially the smoke emission decreased and the car pick was improved, even the Oil consumption has decreased.

    But recently a very serious thing happened. When I started the car in the morning the Oil Pressure light remained ON for about 25 secs and then turned off, so I thought it to be transitional problem, but today it remained on for well over a minute and I turned off the engine immediately.

    My query here will be is it due to the ZIC oil which caused the problem ??

    The person selling the ZIC SD5000 oil told me that the engine may give some smoke on the first oil change but then it will settle on the next oil change !

    Should I risk another oil change with ZIC SD5000 SAE 15W40 or revert back to Shell Remulla D?


    Another friend of mine with Suzuki Mehran when converted to ZIC High Flow SAE20W50, his engine started to give white smoke when the engine is started in the morning!

    Did any one else had a problem with ZIC oil? Is it really as good as advertised?

    Your expert opinion will be highly appreciated!

    Thanks!
    Live & Let Live

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    Default

    Hi Friends,

    No one has replied to my message to this point.....but here is the update!

    Got the car to mechanic who when saw that the oil pressure light was not turning off after the engine start up .... he first of all changed the oil to some thick one SAE 40 grade.

    Even after that the light did not turn off......but was flickering slightly, so he thought that there may be be a problem with oil pressure guage. Then 2 or 3 guages were changed and finally the oil warning light turned off.

    Rechanged the oil again to ZIC SD-5000
    Now the engine is running smoothly and no problems with the oil warning light...so I guess it was not the ZIC oil fault at this point
    thanks for your consideration
    Live & Let Live

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    Default

    have u checked ur eng oil filter, maybe its choked or not from a reputed company. even if its choked it should let its bypass valve open to make oil flow possible. if that is fine then next culprit'd be oil pump but those are rugged mech. sys.

    ZIC oils are pretty ok, no issue with them if u get them genuine. btw which oil ur friend was using before pouring in ZIC. both of u are caught by ZIC syndrome

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    Default

    @robin

    agreed

    @wheeels1

    Good to know that ur basic problem has been solved but as far as ur car engine condition is concern, its weak as u mention above now one thing u shud consider seriously is the diffrence beween synthetic & mineral oils. U can search the PW forum or internet for details but in short its not good to use synthetic oils as ZIC SD 5000 in engines having poor condition so u should swith over back to full mineral formula with thiker grade as in case of Rimula D 20W 50.
    Exploring Machines is my Passion...

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    Default

    ZIC SD5000 is not synth, i think.
    so does Hi-flo

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    Default

    @robin,
    Thanks for your help........
    Filter was not choked and I always use Guard Genuine filter + the ZIC oil was genuine too!

    My friend switched from Shell CNG Super to ZIC Highflow SAE 20W50.....could it be the different viscocities of Shell and ZIC which resulted in the problem? ??
    The person selling ZIC said that it was due to cleaning detergants in the Oil....and the problem will clear up after 2nd oil change......but I am highly surprised.....because for me White smoke is not cleaning but It is engine oil burning......if it was doing the cleaning then I would rather think that the color of the oil should turn dark proving that it has cleaned the little Mehran engine!


    @imran bhatti
    ZIC SD 5000 is not a synthetic oil but a mineral based oil ...though its viscocity index is higher than the regular oils!! and i did go through this forum and internet before changing to SD 5000!


    I was a big fan of ZIC uptill now ....but some doubts created.


    Another friend has Civic around 70000km driven, it is driven on HOnda Engine oil API SL and SAE10W30,,,, do you guys think will it be safe to convert it to ZIC A+
    SAE 5W30??? or will it create other problems// the car is bifuel running on CNG as well ........your guidance willl be highly appreciated...

    thanks again
    Live & Let Live

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    Default

    @robin, Wheeels1

    Sorry guys i was confused because of similar Brand name ZIC 5000 & ZIC 5000 power( Green Bottles) are synthetic & yellow one ZIC SD 5000 is Mineral.
    Exploring Machines is my Passion...

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    Default

    @wheeels1

    oil burn gives blue smoke. i think what u r referring to is nothing more than early morning cold start-up smoke. nothing to worry about. there are very slim chances that oil has acted against gasket/seals, so its always adviseable not to change brand/ viscosity.

    as for ur civic, well same advice, stick to honda oils. though there is no harm at all but if i'd be at ur place i wont change brand.

    @imranbhatti

    sir sherminda na karain mujhay, its nothing more than a slight confusion on ur part, hum sub khata kay putlay hain

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    Default

    @robin,
    Thanks again for the informative information!

    As you advised about Honda Engine Oil......my understanding is that it is made by Chaveron Pakistan Limited for Honda.

    Do you by any chance know if it is Synthetic, Semi-Synthetic or Mineral oil? and what is the viscocity index etc?

    Thanks
    Live & Let Live

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    Default

    @wheeels1

    frankly speaking i am not sure about honda oils. as for chevron blending oils for honda pak then i'd say it'd be nothing more than havoline formula SL available in 10W30 and 20W50 etc. this I guessed keeping in mind its price.

    btw, i use caltex havoline formula SL in my car too. its pretty decent as well.

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    Default

    @robin,

    Thanks again for your thoughts.
    Live & Let Live

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