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Thread: Mystery Radiator Coolant – Pajero 2.8

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    Default Mystery Radiator Coolant – Pajero 2.8

    On my trip to Naran, just half way up while going to Saif-ul-Maluk my Pajero heated up. We stopped near the Glacier and filled the Radiator with Glacier water.
    After filling it with Glacier water the temperature needle never went above 45%, few days back I filled it with Tap water and the Temp needle is back at 50%

    Can anyone solve this mystery?

    Heating problem was due to radiator blocked with insects and a broken fan shroud

    Formerly known as Libra. Founder Pakwheels.com

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    Glacier water had less impurities.
    1. A car is only worth what someone is willing to pay for it, 2. Resale wont save your life in an accident, 3. Genius has limits, stupidity has none, 4. Never argue with an idiot, they will bring you down to their level & beat you with experience, 5. Growing old beats the alternative -- dying young! 6. انّا للہ و انّا الیہ راجعون

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    interesting

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    You should have brought a jerry can filled with that water so you could use it again and experiment.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    You need to find out what kind of temp gauge you have in Pajero if its a 3 step temp reader then your reading does not matter but if its actual reading as some vehicles are then you have different story.

    secondly you need to check the boiling temp of the glacier water and normal Karachi Tap water, you will find your answer.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    Quote Originally Posted by Storm View Post
    Glacier water had less impurities.
    I also think the same

    Quote Originally Posted by Racerf1 View Post
    You should have brought a jerry can filled with that water so you could use it again and experiment.
    At that time i didnt know
    In Naran i saw it on 45% but then i thought it must be the cold weather but when i came in warmer areas it was still on 45%


    Quote Originally Posted by Racerf1 View Post
    You need to find out what kind of temp gauge you have in Pajero if its a 3 step temp reader then your reading does not matter but if its actual reading as some vehicles are then you have different story.

    secondly you need to check the boiling temp of the glacier water and normal Karachi Tap water, you will find your answer.
    I dont know what type of Temp meter it has but one thing i know is the i bought it the gauge has been on 50%

    Now from where can i get the glacier water to check the boiling point, lets go again to test it
    Formerly known as Libra. Founder Pakwheels.com

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    sure, when?
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    Quote Originally Posted by Racerf1 View Post
    sure, when?
    May or June, i will let you know atleast 15 days in advance
    Formerly known as Libra. Founder Pakwheels.com

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    Roger!
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    @racer
    can you elaborte a little on 3 step temp reader
    its all about power to weight ratio...

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    Quote Originally Posted by Ghuncha View Post
    @racer
    can you elaborte a little on 3 step temp reader
    Sure! They have 3 steps of reading points cold/normal operating temp/Hot.

    When you start the car it would show cold and once started and warms up the needle would move to either quarter or half however the setup is.

    Lets say the hot temp is read at 90degrees the needle would start to move directly to hot

    30 is cold
    60 is warm
    90 is hot

    thats how it would read.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    Coolant temprature should not vary much unless you are stalled or moving at very little speed. If you have your fan working properly, it should maintain safe operating temprature for engine. On most gauages, midway point is normal.

    Please head some warning. If you engine is too hot, but your fan is working, you should let the car idle before turning off engine( couple of minutes). this allows for coolant to keep in circulation for a while and helps cool down engine before engine is stopped. Also should not add cold water right away, as it will change metal temprature upon contact. Do not put cold water on the engine. Metals exapand and shrink due ot temprature, may loosen some seals or contact points. Once car is coll down( 15-20 minutes, carfully open coolant reservoir and add additional fluids to reservoir. Opening radiator cap( if your car has one) may release steam and cause burns.

    Finally if you need additional fluids, then have your coolant system check for coolant water mix or leaks. Coolant chemicals help increase boiling point of the water to a higher temperature. This helps keep coolant water mix in fluid form and avoid steaming or increased pressure in coolant system. Mot cars heat up due to less than optimal mix of coolant-water in your vehicle or leakage, or fan issues. Never add tap/stream water to engine. I recommend adding distilled water and coolant mix according to manufacturer's recommendations. Tap or stream water has salts, that will sit in your coolant system, usually causes long term issues, most common is thermostat or temperature sensor failures. Also if you have not used life time coolant, then make sure you change your coolant regularly based on coolant life. Old coolant changes PH, and causes engine corrosion.

    I hope this helps.

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    Quote Originally Posted by muddman View Post
    Coolant temprature should not vary much unless you are stalled or moving at very little speed. If you have your fan working properly, it should maintain safe operating temprature for engine. On most gauages, midway point is normal.

    Please head some warning. If you engine is too hot, but your fan is working, you should let the car idle before turning off engine( couple of minutes). this allows for coolant to keep in circulation for a while and helps cool down engine before engine is stopped. Also should not add cold water right away, as it will change metal temprature upon contact. Do not put cold water on the engine. Metals exapand and shrink due ot temprature, may loosen some seals or contact points. Once car is coll down( 15-20 minutes, carfully open coolant reservoir and add additional fluids to reservoir. Opening radiator cap( if your car has one) may release steam and cause burns.

    Finally if you need additional fluids, then have your coolant system check for coolant water mix or leaks. Coolant chemicals help increase boiling point of the water to a higher temperature. This helps keep coolant water mix in fluid form and avoid steaming or increased pressure in coolant system. Mot cars heat up due to less than optimal mix of coolant-water in your vehicle or leakage, or fan issues. Never add tap/stream water to engine. I recommend adding distilled water and coolant mix according to manufacturer's recommendations. Tap or stream water has salts, that will sit in your coolant system, usually causes long term issues, most common is thermostat or temperature sensor failures. Also if you have not used life time coolant, then make sure you change your coolant regularly based on coolant life. Old coolant changes PH, and causes engine corrosion.

    I hope this helps.
    Excellent Info, Can you please read my question again
    Formerly known as Libra. Founder Pakwheels.com

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    @racer
    its not 3 step its a normal linear one.
    its all about power to weight ratio...

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    Quote Originally Posted by Libra View Post
    Excellent Info, Can you please read my question again
    I read it... only reason I put a long story here, I see lot of people adding water to radiator....simple H2O will become steam and go out of reservoir... info is valid, still... one should not need coolant... I have mine for 100K miles and then replaced it with G2 ( audi life time coolant) just as I was in the shop for timing and thermo replacement. I hope you enjoyed your trip despite temprature guage worries.

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    BTW... temp sensors for each car usually have two ranges...check number of electric leads going in..3-4 leads means two dual range sensor. only 2 wires means single range sensor. Some time salts or age of the sensor cause faulty reading in one or both ranges..don't try to scratch off salts/corrosion, wouldn't give you the right reading...temp sensor works on the basis of letting certain amount of current pass thru under certain temprature... computer/guage will read the return current/voltage and asses the temprature. a blanket of salt on sensor changes the environment. I better get to back to my work... LOL...

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    @muddman
    Thanks for the info.

    @All
    Once again, What is the diffrence between Tap water and Glacier water?
    Why the 5% difference in Temp?
    Formerly known as Libra. Founder Pakwheels.com

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    Libra, few theories, that is theories.. Salt contents differ from fresh glacier water and filtered water, ambient temperature differs, as well as atmospheric pressure between your observations.
    If you checked water level and temp after you have moved to different altitude, it may have shown different temperature.

    Since you added water at two different occasions, you must have lost some water due to steam escaping from the system, leaving salts behind either in the fluid or deposited on the temp sensor, you reading may be bit off.

    Ambient temperature difference is also a variable..I think your curiosity ask for breakage of fan shroud, and a trip to Naran LOL... may be this summer

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    @libra
    Thinking of packing and selling Glacier water in place of Coolant and make money
    Life is a chain of moment of enjoyment and Obedience to Allah, not only about survival

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    Its easy get some distilled water (from rain, A/C drain etc). Will be as good as glacier water. Wont damage your radiator as well (from rust).

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