misturmoneybags Posted July 3, 2009 Share Posted July 3, 2009 Okay, so today I did some spirited driving in 90 degree weather. I pulled over to let the car cool down and I opened the hood only to be greeted by some boiling, gurgling noises from the coolant reservoir tank. I'm pretty sure the engine was running a little hot, but I'm pretty sure its not supposed to BOIL the coolant, right? Quote Link to comment Share on other sites More sharing options...
Careless Posted July 3, 2009 Share Posted July 3, 2009 that's not a very good sign. is your e-fan working? boiling is the worst thing to happen to an engine, IMHO... the results of doing such things can pop up sometime down the line and it could be the root of a lot of problems if it boiled over for a long time... if you hear your car boiling, the best thing to do is to take it on the highway, slowly use the on-ramp to get upto speed, and cruise dead on the speed limit in a low rpm and let the air rush passed the radiator.. that's what a friend of mine did when his fan crapped out and it saved his engine from overheating. I wasn't so lucky. Quote Link to comment Share on other sites More sharing options...
rsicard Posted July 21, 2009 Share Posted July 21, 2009 misturmoneybags: If it is boiling coolant there may not be enough pressure being built up in the system. Need to know the specifics of the vehicle. Which engine, how big the radiator, which cooling pump etc etc. Something REALLY wrong with the cooling system! Quote Link to comment Share on other sites More sharing options...
bleakdragonmage Posted July 25, 2009 Share Posted July 25, 2009 Radiator Cap. Happened to my S10...i was more than irritated to find that was the culprit. Quote Link to comment Share on other sites More sharing options...
srbigbutt Posted July 26, 2009 Share Posted July 26, 2009 I recently had this issue on my Supra and it was two things. One was an old radiator cap letting pressure bleed out and the second was a pin hole leak in a coolant line. Didn't find that until it busted and all the coolant leaked out!! Quote Link to comment Share on other sites More sharing options...
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