Chad G wrote:

> I have coolant escaping from around the coolant sensor at the top of the
> expansion tank.  Air is passing through it as well. Do I have to replace the
> entire sensor or can you buy just the o-ring that goes around the top of the
> sensor??
>
> thanks,
> Chad 85GL's

I bought just the O-ring from a dealer.  It didn't help because it turned out
that I had a small crack nearby in the tank.  Check the tank and the sensor for
cracks.

Larry A.,