Re: IML: 1960 torqueflite question

["Rob van der Es" <R.vdes@xxxxxxxxxxxxxxx>]

Hi Paul,

Your diagnose is the same as the previous one from Aeyn!
Always nice to have consensus :)

One question, how is the pressure built up so that the fluid can be 
transferred through the cooler lines?
Is there a pump inside the tranny, especially for this purpose.
Or is the pressure simply "stolen" from one of the main pumps in the 
transmission?

Since the tranny is working OK I guess that the pumps inside are working 
correct. That said, only the cooler lines could be at fault.
Or there is a special pump for the cooler lines that ain't working properly?

Or do I have to check those two valves I mentioned previously (regulator and 
converter valve), if so where are those located and how do you check them 
for proper working?

Thanks,

Robert
----- Original Message ----- 
From: "PAUL WENTINK" <randalpark@xxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Thursday, November 29, 2007 6:27 PM
Subject: Re: IML: 1960 torqueflite question


There should be fluid running through the lines. Before adding an
external cooler, I would want to know why there was no fluid in the
lines. The radiator cooler will work fine if the fluid reaches it, so
at this point, I would not bypass it yet. As long as the fluid is clean
there has been no damage so far. That could change quickly on a long
drive on a hot day.

The external cooler is a good idea to prevent ruining the transmission
should the engine overheat. I have had this happen on another brand of
car, where a good running engine that simply ran on the hot side all
the time ruined the transmission while the engine remained top notch.
In that case, I believe that the built in transmission cooler was
inadequate to begin with.

This problem is not inherent to a 1960 Imperial. I suspect blocked or
kinked lines. Get underneath and do a visual. The trouble should be
easy to spot. If not, you may have to do some digging.

Paul W.


-----Original Message-----
From: Rob van der Es <r.vdes@xxxxxxxxxxxxxxx>
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Thu, 29 Nov 2007 6:07 am
Subject: IML: 1960 torqueflite question


Hi List,

Last month I pulled the radiator of my car to have it re-cored. So far,
so good. The radiator is like new again but something is worrying me..

When I unscrewed the cooler lines from the radiator I noticed that no
ATF was dripping out. I also expected a flood of oil coming from the
cooler unit on the radiator but nope..

Ofcourse I am aware that this could be a dangerous situation for my
tranny!
Heat is one of the biggest enemies I am sure.
So what could be wrong here?

There is almost no dripping from the cooler lines while they are
hanging free now (maybe that is logical, cause the engine isn't running
so no pressure will be built up).
Ofcourse the cooler lines could be blocked, that would be the most
obvious reason. As soon as the weather permits I will remove those
cooler lines from the tranny and I will clean them out then with
solvent and airpressure.

But if the lines are open, what other options do I have to check for?
On the repair pages of our website I noticed that member Philippe
mentioned that when you have cold oil cooler lines (and thus no oil is
flowing through those lines) the regulator or the converter valve
might be stucked.
Philippe was talking about a 57 torqueflite, does this also makes sense
for a 60 torqueflite?

Btw, the tranny is still shifting perfectly through all gears, nice
gentle shifts (but not too soft) that only are getting a little firmer
when the engine and tranny are at operating temperature.
The shifts are smoother with a cold engine, what could be explained by
the fact that no oil is flowing through the oil cooler. The oil is
clean, pink, and smelling fresh btwn (not burned).

Any thoughts what might be wrong here?

Thanks,

Robert
1960 Imperial Crown

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