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Thread: Coolant Replacement

  1. #1
    Marshal MULTIJET's Avatar
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    Coolant Replacement

    Many people have faced problem of overheating after routine servicing or coolant replacement when carried out from non fiat mechanic. Basically many garages replace the coolant from removing the bottom hose pipe and draining full coolant, again refitting the hose pipe and fill the fresh coolant with water till full mark level.

    This procedure is right with Maruti, Hyundai etc but not with FIAT cars.

    Correct procedure for replacing the coolant:

    1) Start the vehicle

    2) Remove the small hose pipe(catch with pakkad i.e plier) which is fitted on the coolant reservoir and let the water/coolant flow down. Keep the lid open

    3) Simultaneously pour fresh water in the reservoir.

    4) When clean water starts flowing then put coolant(1ltr) in the reservoir

    5) fix the hose pipe back on the reservoir

    6) close the lid of reservoir and you have done it

    For cross checking just check the radiator if it is hot or no, if its not hot than there may be some air in cooling system. There is one knob on upper right corner of radiator, to remove air from radiator just unscrew the knob and coolant will start dripping out, check again the radiator if now it has become hot, once hot tighten the knob(be careful as it is very delicate) again and check for the operation of fan.

    Be careful while doing all this. Try to follow this when engine is at minimum temperature.

    Never open the reservoir lid when vehicle is hot.

    I hope next time whenever visit the workshop you will be expert to guide the mechanic.
    Last edited by Rudrah; 13-12-2012 at 12:43 PM. Reason: formatting related
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    D.L. GTO's Avatar
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    Re: Coolant Replacement

    Multijet , thanks man , that was very informative . I have a few queries as usual ,
    1.How do we flush the the entire cooling System . For e.g palio multijet which takes 7.6 liters of Paraflu and distilled water in a 50% : 50% ratio.
    2.How often should we replace the coolant.
    Some pics would be of great help. Keep up the good work.

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    Re: Coolant Replacement

    Quote Originally Posted by MULTIJET View Post
    Many people have faced problem of overheating after routine servicing or coolant replacement when carried out from non fiat mechanic.This procedure is right with maruti,hyundai,etc but not with FIAT cars.
    I faced this a couple of times with my Palio & the irony was that the work was done by FIAT ASS

    Thanks for sharing this gem, this is a boon for Palio 1.6 owners who face this problem once in a while.

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    Re: Coolant Replacement

    Hey Sid not only 1.6 but 1.2,1.1 and 1.3(havent tried on multijet) too
    FIAT USERS-Confidence is what you have when you don't really understand the situation.
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    Re: Coolant Replacement

    Quote Originally Posted by GTO View Post
    Multijet , thanks man , that was very informative . I have a few queries as usual ,
    1.How do we flush the the entire cooling System . For e.g palio multijet which takes 7.6 liters of Paraflu and distilled water in a 50% : 50% ratio.
    2.How often should we replace the coolant.
    Some pics would be of great help. Keep up the good work.
    Will try to put up the pics as soon as possible.My cars(read as 1.3multijet) coolant replacement is due, will let you know the exact quantity and procedure for the replacement and offcourse with photos.
    FIAT USERS-Confidence is what you have when you don't really understand the situation.
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    PALIO 1.2NV SPORTS(NOT YET SOLD)
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    FIAT 1100(NOT YET SOLD)
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    Marshal
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    Re: Coolant Replacement

    My mech did in a different way. After ading water with the lid open he started the engine . He pressed his palm against the reservoir to pressure up and released after 10 secs. It done repeatedly. Air bubbles keeps on coming out. Intially we thought head gasket was gone weak but after 5 mins everything is normal and no more airbubbles.

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    Re: Coolant Replacement

    Quote Originally Posted by Dr.Palio View Post
    My mech did in a different way. After ading water with the lid open he started the engine . He pressed his palm against the reservoir to pressure up and released after 10 secs. It done repeatedly. Air bubbles keeps on coming out. Intially we thought head gasket was gone weak but after 5 mins everything is normal and no more airbubbles.
    I have never tried it but was aware of this method too. Thanks Dr.Palio.
    FIAT USERS-Confidence is what you have when you don't really understand the situation.
    SANJEEV HARIKANT
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    Re: Coolant Replacement

    Quote Originally Posted by GTO View Post
    2.How often should we replace the coolant.
    GTO, its recommended by our very own FIAT Doc - Dr. Sunil Pullockaran that its best to change every fluid of the car every Year.

    Usually the coolant is replaced in couple of years as during the free services it is only topped up!
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    Marshal
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    Re: Coolant Replacement

    I heard synthetic coolant never needs replacing atleast for 3 years and improves water pump bearing life.

  10. #10
    D.L. GTO's Avatar
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    Re: Coolant Replacement

    Quote Originally Posted by Rudrah View Post
    GTO, its recommended by our very own FIAT Doc - Dr. Sunil Pullockaran that its best to change every fluid of the car every Year.

    Usually the coolant is replaced in couple of years as during the free services it is only topped up!
    Thanks Rudrah, its almost two years now with the Mjd. Planning to get the coolant , Power sterring and clutch/brake fluid replaced.

  11. #11
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    Re: Coolant Replacement

    Quote Originally Posted by GTO View Post
    Thanks Rudrah, its almost two years now with the Mjd. Planning to get the coolant , Power sterring and clutch/brake fluid replaced.
    No need of changing power steering oil, come to workshop, will check for coolant and brake fluid.
    FIAT USERS-Confidence is what you have when you don't really understand the situation.
    SANJEEV HARIKANT
    PALIO 1.2NV SPORTS(NOT YET SOLD)
    PALIO 1.3SDX MULTIJET(NOT YET SOLD)-DRIVING A JET ON INDIAN ROADS
    SIENA 1.2ELPS(NOT YET SOLD)
    FIAT 1100(NOT YET SOLD)
    VESPA 125(NOT YET SOLD)
    YAMAHA FZ16(NOT YET SOLD)
    YAMAHA R15 VER1(NOT YET SOLD)

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    D.L. GTO's Avatar
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    Re: Coolant Replacement

    Quote Originally Posted by MULTIJET View Post
    No need of changing power steering oil, come to workshop, will check for coolant and brake fluid.
    I would drop down for a check. But , Sanjeev i heard that if the power steering fluid is changed very late ,say after 60k or 70k kms the seals give way and leaks .Then the entire assembly has to be replaced which is pretty expensive. I just don't want to take the chance

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