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    Default Honda civic 2005 reducing coolant

    Asalam O Elaikum,

    I am sorry if this topic has been posted before, but I could not find a thread specifically catering to my problem.

    I had shifted my car on zic super A coolant in January. the previous owner was using water. There was minor reduction in coolant level in the month of January and February. But now in the summers of March and April, I am witnessing increased drop in the coolant level. My car usually covers 150 kms per week. and each week I have to top up the reserve bottle. Every week the level drops till the minimum level and I have to top it up till the maximum Level. There is no leakage witnessed to the eye. Please help me in this regard.

    The car is honda civic 2005 eagle eye manual transmission


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    Quote Originally Posted by NiGhTShAdE View Post
    Though that is also not related to coolant disappearing problem but yes both should not start when ac is not running and car becomes hot, Only radiator fan should run. I think someone shortned control wires of both fans together so that when you turn on ac both fans get power and turn on preventing car from overheating. See if both fans run when you turn on ac. Similarly when radiater fan gets power both fans turn on as wires are probably shortned...
    Quote Originally Posted by hassaaniqbal92 View Post
    Yes sir, both fans start on ac and also when the radiator fans get power upon heat without ac

    i have a 2.0D Saloon 2003 and Civic 2007, both with fan auto and thermostat installed and in both of my cars TWO fans work together, NOT separately. although in corolla fans turn on at a lower speed when engine is cool and i turn on AC while in civic the speed is constant.

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    does coolant boils in reserviour bottle?? this gen of civic have air trapping issues

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    Well, the car is 10 years old so you cannot expect it will be good as new. I believe the radiator has some fine cracks. The leakage will not be visible but during driving (while the temperature gets hot), it leaks. You also have to check the hoses and radiator cap. My prediction is you can use the radiator about a few months more before it gives way. Try to look around for a new radiator and get it replaced if the situation gets worse.

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    Is there a relationship between the oil viscosity and coolant reduction?????

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    Quote Originally Posted by hassaaniqbal92 View Post
    Is there a relationship between the oil viscosity and coolant reduction?????
    No relation

    You should be using the correct radiator cap in working condition. The spring losses its tension over time engaging earlier than required pushing more coolant in to the overflow tank. Post the pressure rating on ur cap.

    It should be a 1.1 bar cap. Replace it with OEM.

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    Quote Originally Posted by hassaaniqbal92 View Post
    Is there a relationship between the oil viscosity and coolant reduction?????
    Going deep into the technical details of viscosity some relation could be built in terms of energy wastage but apparently there is no direct link between the two...
    NiGhT ShAdE>>~

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    Today I drove my car continuously for 2 hrs with ac on. Upon reaching home, I had witnessed the upper hose pipe leaking coolant from the engine side, not the radiator side. Is it the fault of the hose pipe or the engine, because I had seen the leakage the first time after driving continuously

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    Quote Originally Posted by hassaaniqbal92 View Post
    Today I drove my car continuously for 2 hrs with ac on. Upon reaching home, I had witnessed the upper hose pipe leaking coolant from the engine side, not the radiator side. Is it the fault of the hose pipe or the engine, because I had seen the leakage the first time after driving continuously
    Radiator hose pipe leakage is not something uncommon. Get it replaced. Just make sure the place where you connect hose pipe to the engine is not corroded. I have seen coolant leaking from joint due to this even if the hose pipe is in good condition...
    NiGhT ShAdE>>~

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    Quote Originally Posted by NiGhTShAdE View Post
    Radiator hose pipe leakage is not something uncommon. Get it replaced. Just make sure the place where you connect hose pipe to the engine is not corroded. I have seen coolant leaking from joint due to this even if the hose pipe is in good condition...
    exactly the same case sir, leakages are seen on the joints. I have changed the clips today, they seemed a bit loose. the hose pipe looked fine

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    Quote Originally Posted by hassaaniqbal92 View Post
    exactly the same case sir, leakages are seen on the joints. I have changed the clips today, they seemed a bit loose. the hose pipe looked fine
    I hope your problem would be solved by this...
    NiGhT ShAdE>>~

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    Honda civic 2005 reducing coolant -1575846

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    Honda civic 2005 reducing coolant -1575847

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    Honda civic 2005 reducing coolant -1575848

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    Honda civic 2005 reducing coolant -1575849

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    These are the 3 places where the leakage is visible to the eye. the leakages from the hose pipe does not seem that serious, but leak shown in the first picture is giving me the chills. It seems to be leaking from the head block. What should I do now????
    @NiGhTShAdE @ZainMahdi @Salman922 @abuzerkhan @Xulfiqar @fahadwizz @arzaam.bhatti
    plz help bhaiyon

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    you using tap water? as leakage color is brownish, if it was zic coolant it should be green residue. i am not ver familiar with honda engines, the leak int he first could be hose pip erooded on the joint, though unlikely as it seems fine, it could be leaking from the flange where it connects the head or the thermostat housing if its present in that place. it cant be leaking from the actual engine block or i dont think you should be worried about a crack in the head or block as otherwise you would be loosing oil or compression as well.
    If everything is coming your way, you're in the wrong lane!

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    your throttle body heating pipes are missing their clamps, buy a couple and tighten them up. As you have been running tap water to cool down your engine there is a very high chance of those little pipe nipples being corroded and leaking from the head.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Go for screw clamps(common ones that are avaiable in market). They can be tightned to bit more extent though their negatve point is that they can be open and closed for less number of times than these tensioned clanps...
    NiGhT ShAdE>>~

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    Quote Originally Posted by Xulfiqar View Post
    your throttle body heating pipes are missing their clamps, buy a couple and tighten them up. As you have been running tap water to cool down your engine there is a very high chance of those little pipe nipples being corroded and leaking from the head.
    Xulfiqar bhai, the previous owner was using tap water. Upon reading ur comments I had instantly shifted to zic coolant. Got the radiator serviced and poured zic coolant

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    Quote Originally Posted by arzaam.bhatti View Post
    you using tap water? as leakage color is brownish, if it was zic coolant it should be green residue. i am not ver familiar with honda engines, the leak int he first could be hose pip erooded on the joint, though unlikely as it seems fine, it could be leaking from the flange where it connects the head or the thermostat housing if its present in that place. it cant be leaking from the actual engine block or i dont think you should be worried about a crack in the head or block as otherwise you would be loosing oil or compression as well.
    No bro, its on zic coolant. There is some green element present in the rust too

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