Re: [DML] Cooling Problem

[DANIEL SHANE <daniel.shane@xxxxxxxxxxxxxx>]

I had the same problem, but in my 86 Esprit.

I would heat up very quick, cycle the fans randomly
and ran very hot.

I had the radiator cleaned out.  They flushed it out
checked all the waterways were unblocked and the
difference it made was unbelievable.  The car ran 30 F
cooler, everything worked correctly and the cooling
fans switched on and off perfectly.

Maybe worth getting you rad checked out or replaced.

Dan


--- Shannon Yocom <ssdelorean@xxxxxxxxx> wrote:

> I'm having a cooling problem and need  help with
> trouble shooting & diagnosing...
> 
> 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 speeds
> (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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