[DML] Re: Cooling Problem
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[DML] Re: Cooling Problem

I'm not sure what to say except about you saying your fans turn on at 
different temps.?  Is your guage working properly?  Maybe you need a 
new sending unit for it.

VIN: 2953

--- In dmcnews@xxxxxxxxxxxxxxx, Shannon Yocom <ssdelorean@xxxx> wrote:
> I'm having a cooling problem and need  help with trouble shooting & 
> Back story...
> Last Fall my alternator belt broke and I almost over heated. So I 
replaced my
> "otterstat" just to be safe. Two different new otterstats later my 
fans would
> still not cycle off properly (outside temps in mid to high 60s). I 
put the
> original back in and all is well.
> Fast forward to this Summer...
> Now my car takes forever to cool back down after the fans cycle on 
at highway
> speeds. This does not happen when traveling on surface streets at 
25-35mph (it
> cools and cycles rather quickly). At first I thought this was due 
to outside
> temperatures being in the 90s but found out that is not always true 
but plays a
> key role. Why would my car have a hard time cooling down at highway 
> (65-75mph) than in stop & go traffic?
> Other oddities:
> - running the AC causes my car to run warmer than normal. It slowly 
creeps up to
> around the 220 mark and hovers there.
> - on a recent trip from OH to GA and back I noticed my fans would 
kick on an off
> at different temperatures. It was mostly normal but a couple of 
times not at the
> usual "on" & "off" temps. This makes me think the 
original "otterstat" may be
> bad.
> - even traveling thru the cool of the night I noticed at times my 
the temp to be
> warmer than normal (even at times when I was NOT stressing the 
engine by climbing
> up hills or passing)
> Before the trip I replaced the thermostat and blew out 20yrs worth 
of dirt & dead
> bugs from the original radiator. Also tested the in & out temps of 
the radiator
> and there is a 25 degree difference. My car has the self bleeding 
kit installed. 
> Tonight I am going to try a different "otterstat" (98-93 degree). 
This time I
> hope my fans will cycle off. If they do not is there anything else 
I can try? 
> Toby, how's that new adjustable "otterstat" project coming? Do you 
think that
> could solve my problems?
> Any other things that could be causing this that I could look into?
> Thanks in advance to any and all help.
> Shannon Y
> 16506
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