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Thread: overheating question

  1. #41

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    Quote Originally Posted by Billy Blaze
    The fluid was kind of hairly looking but still green / yellow
    May be time for a change! Sparky!

    Link!
    Last edited by POS Racing; 05-25-2005 at 12:32 PM.

  2. #42
    Shallow and Pedantic Majik's Avatar
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    I run mine without a heat shield many times above 80, and never get overheating. I say now a radiator flush is in order. No need to spend all the money for a super duper special one right now, you dont have FI or anything.

  3. #43

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    Flushing Radiator tomorrow morning, well just looked at the time..."this morning"...lol
    Will also change caps, will post the results,...am also removing the front license plate for good measure, and washing the radiator off real good even though it looked pretty clean last time I looked.

    I know they also make a kind of plate the goes acros the front of the radiator by the hood latch that is suposed to route air through the radiator for better cooling, is this a gimick or has anyone tried it with good results? its only like $30. and is even polished stainless steel.
    99 Miata Black

  4. #44
    Shallow and Pedantic Majik's Avatar
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    I was gonna ask about that front plate. In that position it could make a difference. Dont worry about the plate over the radiator for now. DO the flush, change caps, remove the radiator, and dont forget the distilled water.

  5. #45

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    Quote Originally Posted by Majik
    I was gonna ask about that front plate. In that position it could make a difference. Dont worry about the plate over the radiator for now. DO the flush, change caps, remove the radiator, and dont forget the distilled water.
    Why would you remove the radiator?

  6. #46

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    Quote Originally Posted by POS Racing
    Why would you remove the radiator?
    To flush it of course. I hope you have a big toilet! :afro:

  7. #47

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    Quote Originally Posted by Titus
    To flush it of course. I hope you have a big toilet! :afro:
    Oh well that seems like a great plan!

  8. #48

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    Quote Originally Posted by POS Racing
    Oh well that seems like a great plan!
    Well Majik said to "remove the radiator" and William said "You can flush the old coolant down the toilet." let's help him connect the dots here. I think someone once told me to plug the fuel lines with Golf tees while changing the fuel filter. I am sure that would also work here on the lower radiator hose to prevent leakage between the car and toilet.

  9. #49
    Team Cheap Bastard
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    Quote Originally Posted by Titus
    plug the fuel lines with Golf tees while changing the fuel filter. I am sure that would also work here on the lower radiator hose to prevent leakage between the car and toilet.
    Be sure the coolant is good and hot before you pull that bottom hose and plug it with a golf tee.

  10. #50

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    Or you could do try this!
    Engine Coolant
    Mazda recommends coolant replacement at 30,000 mile intervals. The Phillips-head drain plug can be located through an access hole in the plastic shroud just under the radiator. The factory manual recommends draining the fluid, then replacing (in most cases) with a 50:50 mix of antifreeze and water. The overflow reservoir can be unbolted, removed, drained, washed, and reinstalled as well. The engine should be run until warm (e.g., the thermostat opens), and additional coolant added to the radiator neck. Finally, the radiator cap should be replaced, and additional fluid added to the overflow reservoir to obtain a coolant level between the indicated low/high marks. The purchase of a single gallon of good-quality antifreeze base is sufficient, since the Miata's coolant capacity is just over 6 quarts.

    For the truly obsessive, the cooling system can be flushed with water (e.g., with a garden hose) while the engine is operating and drain plug is open. Then stop the engine and flush further with a few gallons of distilled water (available at some auto supply houses, grocery stores, or free from some fellow Miata.netters at schools with research laboratories - try colleagues with ".edu" in their address). Allow the radiator to completely drain, replace the drain plug, and add the appropriate mix (typically 50:50) of antifreeze and distilled water to the radiator and overflow reservoir, as noted above.

  11. #51

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    Quote Originally Posted by Titus
    To flush it of course. I hope you have a big toilet! :afro:
    I installed a toliet in my garage. It's hard to get the car to aim for the bowl.

    On a serious note (so everyone's panties can get unwaded)
    I flushed and refilled mine last night (the radiator) with distilled water ONLY. Ran it for a couple of minutes til the fans kicked on and flushed again. Hopefully I got ALL the tap water out of there.

    BTW: Sorry BB for threadjacking
    No more Miata

  12. #52

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    Thanks Mick!!!!
    WoW you really helped me this time!...LOL
    J/K, I appreciate the instructions, thats a small amount of fluid
    oh well....whatever works....and saves me money...haha
    I am headed to the parts store now, will report later.
    Thanks again Mick
    99 Miata Black

  13. #53

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    Billy-
    Mick pulled that straight out of the Miata.net Garage section. If it isn't already, it should become your fist stop for information on common Miata procedures. I know it is my first stop.
    Todd

  14. #54

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    Quote Originally Posted by Billy Blaze
    Thanks Mick!!!!
    WoW you really helped me this time!...LOL
    J/K, I appreciate the instructions, thats a small amount of fluid
    oh well....whatever works....and saves me money...haha
    I am headed to the parts store now, will report later.
    Thanks again Mick
    Hey now Billy! Let's try and keep this quiet I have an Evil reputation to uphold!

  15. #55

  16. #56
    Chassis Designer Bell's Avatar
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    Last time I did a radiator flush I used tap water, not distilled. The final mix was coolant and tap water.

    Am I going to die?

    Is my car going to die?

  17. #57

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    Quote Originally Posted by Bell
    Last time I did a radiator flush I used tap water, not distilled. The final mix was coolant and tap water.

    Am I going to die?

    Is my car going to die?
    Yes & Yes!

  18. #58

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    Quote Originally Posted by Bell
    Is my car going to die?
    Your radiator will turn into a cave and grow stalagtites and stalagmites. Happy Spelunking.
    No more Miata

  19. #59

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    The car is cooling now.
    I bought a radiator cap and a gallon of 50/50 coolant and a couple of gallons of distilled water.
    also picked up some deep creep by Sea Foam, I am a little unsure of how to use it, can I use it wrong?
    I understood that you can clean the throttle body by spraying some in there, do I spray the whole can in there and then let it sit for about 30 min.s then run the car?
    Thats the way I understood it....it just says after the engine is loaded up (whatever that means).
    I won't even drink the water at my house, I have to clean the faucets at least twice a month from calcium buildup....its like little white rocks in the filters on the faucets.
    The hardest water of anyplace I have ever lived...lol

    I will check the garage for info on upcoming projects...thanks.
    99 Miata Black

  20. #60

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    Hey Billy,

    Make sure you check your belts & hoses too... You don't want that coolant coming out!

    The racer I'm building was overheated... I wondered what the cause of it was until I pulled out the aftermarket header this morning. If you follow the lower radiator hose up from the radiator it connects to a pipe... then at the top of that pipe is another hose that connects over to a pipe that goes into the back side of the water pump. That hose sits right UNDER the exhaust manifold and it had a 3" split in it. WOW

    At least I found the cause of it... You will want to remember to check that hidden hose when you do your annual or semi-annual checks under the hood.

    RJ
    Daily Driver: 2013 Club edition in Pearl White Mica

    Lightness? What's that? I drive a PRHT!

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