My daughters 05 Civic is constantly running hot. She said that it started when she hit a pot hole, doubtful.
I took the over flow reservoir off and cleaned it out since I suspected that she used too much stop leak. I have put in some Prestone Super Flush today. As it idles, the temp goes from normal, to real hot real quick and begins to blow out the reservoir cap, and starts spewing. I drove it for 20 minutes and the temp gauge went to the limit, crept back home and tried to cool it down, eventually turned it off. I hadn't notice the fans running before unless the a/c was on but the fans were running today without the a/c. I bough a new fan switch, but now not sure if that is the problem or not.
Any advice is much appreciated.
Monday, December 14th, 2020 AT 9:40 AM