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  1. shadow3616931's Avatar
    shadow3616931
    shadow3616931 is offline Tsikoteer
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    May 21st, 2009 02:47 PM #11
    Quote Originally Posted by lotec View Post
    UPDATE:

    I went to a Toyota dealership. Compared two VIOS. Got the engine running for a few minutes to reach a sufficiently hot temperature. Turned-off the engine, then half-start (electricals only). Presto! Nag-on din yung engine fan. Waited a few minutes without turning the engine on, then the fan stopped.

    Conclusion? In short, it's normal. However, it begets further questions. Is the coolant not effective (remember this is a new car)? Is the engine running abnormally hot? I run it only for a few minutes in idle mode,.i.e, I'm not actually driving the car, just letting the engine run?

    To eliminate any doubts, I'm just getting a Civic...
    That is normal, either its cooling system is perfectly normal. Most engines today have to maintain its operating temperature to be more efficient. I think honda cars are the same. Halos lahat ng bago car ganon except fortuner propeller type kasi wala sya aux fan...remember when you operate the aircon the sequence of radiator/condenser fans varies depending on your setting or whenever the compressor engages the fan also runs even if your engine is cold. Some fans have 2 speeds to perfectly maintain the engine's operating temp and to minimize on and off operation.
    Last edited by shadow3616931; May 21st, 2009 at 03:11 PM.
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  2. oj88's Avatar
    oj88
    oj88 is offline Tsikot Member Rank 2
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    May 21st, 2009 04:45 PM #12
    Quote Originally Posted by lotec View Post
    UPDATE:

    I went to a Toyota dealership. Compared two VIOS. Got the engine running for a few minutes to reach a sufficiently hot temperature. Turned-off the engine, then half-start (electricals only). Presto! Nag-on din yung engine fan. Waited a few minutes without turning the engine on, then the fan stopped.

    Conclusion? In short, it's normal. However, it begets further questions. Is the coolant not effective (remember this is a new car)? Is the engine running abnormally hot? I run it only for a few minutes in idle mode,.i.e, I'm not actually driving the car, just letting the engine run?

    To eliminate any doubts, I'm just getting a Civic...
    I don't think it's a design defect in any way. It may have just been configured that way after careful R&D. The current Vios (being an entry-level sub-compact sedan) may not have the intricate circuits and intelligence to retard the operation of the fans until after the engine has been running. Just a nuisance, IMO... nothing to lose sleep over.

    Oh and good choice on the Civic, though.
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  3. lotec
    lotec is offline Verified Tsikot Member
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    May 21st, 2009 11:38 PM #13
    Thanks to all who replied. I'm enlightened.
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  4. taz666
    taz666 is offline Tsikot Member
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    September 10th, 2009 06:53 PM #14
    btw, how many engine/radiator fan is/are there in a vios 2005-2007 1.5G?
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