there are no water leaks, thermostat has been changed and a flush has been done. What could be the problem?
Toyota Q&AAsk Your Question
1997 Toyota Tacoma Question: why does my truck keep heating up while running
Answer #1DaveJHM April 30, 2011, 21:47Master
Be sure that you have purged out any air pockets that have been introduced into the cooling system during the course of repairs. This is a huge cause of boiling over as air pockets rise to the top.
Not to say there is nothing else wrong -- just that this is one common issue.