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-   -   Fd Have Thermostat? (https://www.nopistons.com/3rd-generation-specific-18/fd-have-thermostat-37763/)

Danno 04-23-2004 04:14 PM

OK I have a hole in my overflow tank that I need t fix and I am about to replace all the coolant hoses. I was wondering if there was a thermostat to replace?

jspecracer7 04-23-2004 04:40 PM

the thermostat is under the filler neck. 3 10mm bolts. Just remember you HAVE to run a 'stat...if not, you'll find you have cooling issues.

Fd3BOOST 04-23-2004 07:16 PM

Nah there is a barometer. https://www.nopistons.com/forums/pub...1047683785.gif

kkw4p 04-24-2004 03:31 PM


Originally Posted by jspecracer7' date='Apr 23 2004, 04:40 PM
you HAVE to run a 'stat...if not, you'll find you have cooling issues.

Could you explain that some more? Seems opposite to most cooling systems.

Danno 04-25-2004 12:14 PM

Can you see it if you take the cap off the filler neck?

Silver Ninety Three 04-25-2004 03:25 PM

No you have to take off the thermostat cover. Should be 3 10mm bolts. The whole cover along with the filler neck comes off.

Danno 04-25-2004 03:43 PM

OK sounds good. How much is the thermostat? I priced one at $14 so far. What about the prices of the upper and lower Rad. hoses?

Danno 04-26-2004 10:04 AM

I haven't had a chance to replace it yet and I have to patch a hole or crack in my overflow tank today. This sucks. I got soooo worried when it started to over heat. For those of you that have waited at a California stop light you know how long that is. I got caught up at like 3 of them in morning traffic. I need to go to work now so I am going to add coolant and freak out if it over heats again. I hate to do this but this is my only transportation.

kkw4p 04-26-2004 01:43 PM

You're better off pouring distilled water in rather than antifreeze. Water is a better coolant.



Tap water will work fine until you can flush the radiator.

Silver Ninety Three 04-27-2004 12:35 AM

About $10 for thermostat from localautoparts store. I also found they carry a 180 degree miata thermostat that I am going to try. Coolant hoses are about $40-$50. Make sure you use distilled water and don'trun more than 80% water. You need some coolant to prevent corrosion.


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