My car is overheating...I already put in a brand new radiator after my old one sprung a leak at a track event. A month later, my temp gauge began fluctuating. I wasn't sure if it was a bad thermo, as the upper and lower radiator hoses were the same temperature.

Interestingly, the temp gauge moves up if I close the sunroof on my Civic...

Anyways, I'm pretty sure my fluctuating temperature is from either the temp sensor or thermo. The thermo is the original, 8 years old/165,000miles.

 

both pretty easy, you will be playing with coolant though, which is dangerous...

maybe 1-5 hours depending on your skills...

go with teh temp sensor 1st, then the thremostat...

t..

sounds like you also have an interresting wiring setup!?!

 

did you bleed the system when you put in the new radiator??

 

Hmmm...you know what...I can't remember. Should I take the rad cap off, and wait for the bubbles to come out, then add more coolant? Or should I just drain everything off, and add a fresh supply?