Primerdimer Posted January 3, 2020 Report Share Posted January 3, 2020 I have a 521 with a stock L16. So I just flushed my radiator and engine and put a new thermostat in. The thermostat I pulled out was a 160 degree and I put a 180 in as this is what my manual said it calls for. After putting it in, I was noticing there was no flow looking down into the radiator, even after letting it heat up for like 10 min. So I pulled the thermostat out and tried again without it. This time it was flowing, so in my head, that meant the thermostat was the culprit. So I went to buy a new one, this time a better quality one (I hope at least, it was 11 bucks). Put it in, same thing. Am I just not letting it warm up long enough? Will there be zero flow up until the point that it opens? Is this thermostat maybe too high in temp and my engine isn’t making it there? Sorry I don’t fully understand how the cooling system operates just yet. Seems like I’ll know by the end of this tho haha... thanks Quote Link to comment
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