Re: 97 Intrepid overheating

Update...Well for various reasons, I am still limping along keeping an eye
on the temperature guage. I am still leaning toward a head gasket leak and
am checking into costs to have it replaced (after they of course do a
compression test and rule out any other possibilities).

The freaky part is my other 97 Intripid has now started overheating (and
coincidentaly has been idling quite high the last few days too). This one
hopefully will be easier to resolve, as the electric fans are definitely not
coming on. With a quick look around, I noticed the ground strap from the
engine to the body is corroded off. My first plan is to replace it and see
it the fans will work (and hopefully the idle returns to normal).

Maybe it is time to retire the old Intrepids...
Mark

"Mark" <yesdear86@xxxxxxxxxxx> wrote in message
news:44650654$0$24074$4c56cdcf@xxxxxxxxxxxxxxxxxx
I will check next time it over heats (to see if the fans are running). I
actually just got back from town and it had over heated again. I removed
the t'stat, refilled it and bleed the air out. Ran the car a little bit,
and there was more air to be bled out. Ran it again, same thing. So I
am starting to believe there may be a head gasket leak blowing air into the
coolant. I'll try driving it a bit more but am starting to fear it is due
for more of a major repair. Stay tuned...
Mark

"Steve" <no@xxxxxxxxxxx> wrote in message
news:9oudnX-ecvwJc_nZnZ2dnUVZ_vudnZ2d@xxxxxxxxxxxx
Mark wrote:

I believe I understand what you and Bill are saying, but to my
knowledge, turning the air conditioning on over-rides the temperature
sensor and forces the fans on all the time. At least it does sitting in
the driveway with the car at any temeperature (hot or cold), and I
thought I had read this somewhere in the service manual too.

Well, the fan is turned on EITHER by high coolant temperature OR by the
AC high-side pressure exceeding a set threshold.

Now if I am incorrect and/or for some reason they are failing during
driving, it will be very difficult to check unless I hook up some sort
of monitoring system. Short of replacing the fans (to see it it does
make a difference), any suggestions as to how else I can test and
hopefully eliminate them as the problem?

Quick-and-dirty would be to pull over the next time the guage is showing
overheat, pop the hood, and see if they're running.





.

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