overheating and reving 91 Toyota pickup?

M

Mikaela P

New member
Your radiator could be clogging with dirt that water cannot circulate properly. The pressure in your radiator is building so much. Check also if your water pump is working properly. This may trigger your idle to go up by itself. Hope this helps!
 
MY truck is startig to overheat pretty bad. THe fan belt is fine and the therm was replaced just a couple years ago. I filled the coolant to the mark but when I checked it, it was about to overflow. IT's also been reving on it's own sometimes when it's idle and almost all the tIme when I have the brake pressed. Does anyone have any ideas about these issues?
 
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