Sorry, what I meant was the radiator cap is not on the radiator, it's
on a reservor to the side, which is weird to me. I am used to being
able to look down into the radiator to see what condition or how full
it is.

John S. wrote:
> lolo wrote:
> > My 1990 Volvo 240 wagon runs a little hot when in traffic on a hot day.
> > It doesn't overheat, but it still makes me nervous. I flushed the
> > coolant, and it still does it. I also cleaned the contacts on the
> > temp. compensation board and installed a new thermostat. The heater
> > seems OK. When i turn off the heat, it stay on for a while while I am
> > trying to get cold air out.
>
>
> That's normal...there is usually residual heat. Turn the AC on for a
> mement and that will extract heat quickly.
>
> > It is kind of a strange cooling system on
> > this car, there is no radiator cap, and no drain plug either - you just
> > take the lower radiator hose off and watch coolant go everywhere except
> > in the container it is supposed to.
>
> No cap...not possible. There should be one on the expansion tank that
> connects to the radiator. Is the expansion tank filled to the proper
> level?
>
>
> > My last vehicle was a toyota truck
> > from the 80s and it did the same thing when I got it, but flushing it
> > out worked perfectly, because there was a bunch of gunk in there. The
> > volvo coolant seemed clean.....
>
> The truck has no bearing on this problem...not sure why you brought it
> up.
>
>
> >
> > Do I just need to re-flush that shizzle, or??? I have never had this
> > happen on any of my cars where it would not go away.
>
> Shizzle???
>
> You may have an air bubble in the cooling system. Did you bleed the
> cooling system when the fluid was drained out?
>
> If your car has a viscous damped fan that may not be operating
> properly, or the belt may be loose. If you car has electric fans then
> one may not be working properly.