[Shotimes] Cooling Problem

[Carl Prochilo]

I'd spend the $10 on new coolant and flush first.  I don't know about ATX,
but the MTX fan is not that loud, and when it kicks on you can feel the
hot air blowing out between the rad and the engine.  The temp variation is
easily seen on the gauge.
-- 
Cheers,
Carl Prochilo
92 Ultra Red Crimson

On Wed, July 28, 2004 3:15 pm, rcedelman@comcast.net said:
> This is exactly it... I've noticed the engine temp slowly getting hotter
> over the past couple of months. I haven't replaced the temp sender, that
> may very well be original, but you can really feel the heat coming off the
> car after driving it, and it seems to take absolutely forever to cool
> down.
>
> Also, the cooling system was burped when I put the new water pump in, and
> I haven't had to add coolant since.  Perhaps a power flush deal might help
> a little bit, but I'm doubting it.
>
>
>
>> Rich:
>>  One other thought. When I changed my radiator, it was because the
>> engine
>> temperature started to slowly get hotter in the same situations where
>> before
>> it ran cool. Has this slowly come about or was it pretty fast change?
>> Mine
>> was cured with the new radiator. I forgot: Has the gauge sender been
>> changed
>> too?
>> .
>> .
>> .
>>
>>
>> > Original radiator, yes. Cap, fluid, and all hoses changed, along with
>> the
>> thermostat, when I put a new waterpump in March '03. I do run warm in
>> traffic, open highway is fine, unless I turn on the a/c, and even then
>> the
>> engine temp starts to climb. I don't have to replace the fluid at all
>> and
>> I'm not getting any antifreeze smell, so I haven't even thought that I
>> screwed up the water pump, heh.
>> >
>> > I'll go out to my car on lunch and see if there's any debris by the
>> a/c
>> condenser, and maybe price a new radiator.
>> >
>> >
>> > > Rich:
>> > >  If the fan is running at all, maybe you have some clogging in the
>> radiator.
>> > > This is very common on cars that don't have the anti-freeze changed
>> regular.
>> > > Any idea when it was last changed? Radiator still original? Have you
>> changed
>> > > the radiator cap? They are almost always bad and if yours is not
>> holding
>> the
>> > > correct pressure in the system, cooling will suffer. How old is the
>> > > thermostat? Are you starting to run warm in traffic or what is the
>> exact
>> > > problem? Lastly check for debris, especially between A/C condenser
>> and
>> the
>> > > radiator. It's not that big of a space and I have seen a good bit
>> junk
>> > > collect there!
>> > > .
>> > > .
>> > >
>> > >
>> > >
>> > > > Well, I just went and ran the EEC tests. Again, no codes, but
>> that's
>> fine
>> > > as there's no codes for the fans, heh.
>> > > >
>> > > > Anyway, the fans came on and I heard the higher speed, but it
>> wasn't
>> very
>> > > loud at all, seemed kind of weak to me actually. I remember the
>> higher
>> fan
>> > > speed being reasonably loud.
>> > > >
>> > > > Anyone in the Kansas City area with an ATX SHO by chance?
>> > > >
>> > > >
>> > > > > Rich:
>> > > > >  Run the EEC-IV test. This will cycle the ATX fan thru it's
>> different
>> > > > > speeds. If you don't hear the higher speed you may have lost one
>> of
>> the
>> > > 2
>> > > > > fans. It may be the fan motor or the relay box. Can you find
>> another
>> ATX
>> > > SHO
>> > > > > to swap IRCM's? Is any fan running at all?
>> > > > > .
>> > > > > .
>> > > > >
>> > > > > > I've got a 95 ATX which seems to have some cooling problems.
>> It
>> seems
>> > > like
>> > > > > the
>> > > > > > fans never kick in to high speed at all. Aren't they supposed
>> to
>> do so
>> > > > > when
>> > > > > > you turn the a/c to max? If so, well then they don't... No
>> codes
>> are
>> > > being
>> > > > > > thrown at all either. I'm tempted to replace ECT and temp
>> sender
>> unit
>> > > for
>> > > > > > good measure, but I'm thinking it's more likely the IRCM.
>> > > > > >
>> > > > > > Any thoughts, suggestions?
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