2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Thermostat?

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Old 01-26-07, 07:34 PM
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Rx7
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Thermostat?

hey guys i was just testing my coolant system and i put the thermostat in 100*C water for about 15 mins and it only opened about 1cm is this normal
Old 01-26-07, 10:16 PM
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The FSM says full lift is 8-10mm so that sounds fine. You can push it fully open by hand to see how far it should go.

The proper way to test it is to put it in cold (or warm) water and heat it while measuring the water temp. It should start to open at ~82degC and be fully open at 95degC. When it opens is as important as how far it opens.
Old 01-26-07, 11:29 PM
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well i already bought another one for 10 dollars seems to open easier anyways lol
Old 01-28-07, 05:00 AM
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Putting a $10 thermostat in your FC is a very silly thing to do. Only use an OEM thermostat from Mazda.
Old 01-28-07, 06:15 AM
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NZ is right man... don't wanna skimp on the cooling system. Expecially because a mazda one isn't much more. You just have to order it. Check Napa, I know napa sucks, but sometimes they have the OEM one.
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