Today I checked every recommendation posted.
First I tried the cold method to check for possibility of bad head
gasket. I pinched the reservoir hose, and placed my palm on the
radiator opening. I did not feel any pulsating.
Second, after a long drive on the freeway, when I stopped, I checked
the reservoir, and there were no bubbles.
Third, while driving on the freeway back home, when the car started to
heat up, I turned on the heater full blast, and the temp cooled down
> Thank you for the great and very helpful
replies. I am going
> to try the things recommended here. Also, the mechanic that
> thinks it's the radiator, says that since the radiator is
> plastic, it needs to be replaced. It cannot be flushed. Is
> this correct?
> Since I have never had to do so, what would be the best place
> to start to find a shop that can do the chemical test for
> hydrocarbons in the coolant?