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-   1958 To 1960 Squarebirds - General Technical Discussion (http://squarebirds.org/vbulletin/forumdisplay.php?f=14)
-   -   Transmission fluid change (http://squarebirds.org/vbulletin/showthread.php?t=22127)

Frango100 11-04-2017 10:00 AM

Transmission fluid change
So since i had no idea when the transmission fluid was changed before, i decided to do it now.
I had ordered a new filter and pan gasket a while ago.
On the dipstick the fluid had a light red/brown color, but while draining the pan, the fluid looked quite dark.
In the pan is a small magnet, which has quite some very fine metal on it (more like metal dust mixed with fluid). There are also some glinsters in the fluid under in the pan. And a thin layer of a dark mudlike substance. The last i presume to be worn friction material. The transmission internals look very clean.
I was checking how to adjust the front band, but the manual mentions a special tool. Can the adjustment be done without special tool?
To my surprise the new filter has the filter screen on the top side, where it connects to the pump inlets, while the old one has the screen on the lower side. Can it be used like this?

jopizz 11-04-2017 10:42 AM


Originally Posted by Frango100 (Post 112165)
To my surprise the new filter has the filter screen on the top side, where it connects to the pump inlets, while the old one has the screen on the lower side. Can it be used like this?

The filter sits in the fluid so it really doesn't matter where the screen is as long as it prevents anything harmful from getting into the pickup. I can't say I've ever replaced a filter. The original one is metal mesh and a good cleaning is all it really needs.


Frango100 11-04-2017 07:41 PM

Thanks John. I bought a filter kit with the filter and seal. The old filter/screen seems to be ok, only the opening for the pump inlets seems to be a bit too large:confused:. I will try the new filter/screen.
Any idea on how to adjust the front band without special tool?

jopizz 11-04-2017 07:50 PM


Originally Posted by Frango100 (Post 112185)

Any idea on how to adjust the front band without special tool?

I've never tried it. Maybe Dave might know if you send him a PM.


Frango100 11-04-2017 08:11 PM

Some googling showed that the special tool is in fact a 1/4 " piece of metal spacer which should be held in between the adjusting screw and the servo piston stem.
The screw should be torqued to 10 "lbs. Then the spacer must be removed and the screw loosened 1 full turn and then the locknut fastened. Will try this tomorrow.

simplyconnected 11-04-2017 11:19 PM

1. Remove trans oil pan and back off the adjusting screw lock nut and adjusting screw far enough to insert a ž” wide metal block in between the servo piston rod and the adjusting screw.

2. Turn the screw until it contacts the metal block. Then tighten screw LIGHTLY (about 10 inch pounds) then back off one full turn.
3. Hold the adjustment screw and tighten the lock nut to 20-25 foot pounds.

1. Loosen the lock nut and tighten the adjusting screw to 10 foot pounds.
2. Back off the adjusting screw 1-― turns and tighten the lock nut to 35-40 foot pounds.

Hope this helps.


Originally Posted by simplyconnected (Post 110521)
...BTW, hey Frango100... When are you going to become a paid member??? When you do, I have something for you. - Dave

I asked you a couple months ago but never got an answer. - Dave

Frango100 11-05-2017 05:30 AM

Thanks for the answer Dave.
Regarding your question, i even didnīt see it before. I did answer to a question in that post, but didnīt follow what was coming after.
But yeh, you are right, its about time to become a paying member on here:o.

YellowRose 11-05-2017 07:46 AM

Transmission fluid change
Frank, please look for the Private Message I just sent you regarding your new Paid Membership. Also, check out Anything Goes, Paid Members Forum regarding it! Welcome aboard!

Frango100 11-05-2017 08:46 AM

So i just checked and adjusted the front band. Used a 1/4" extension as the adjusting block. It was not far of though.
The new filter (brand Pioneer)unfortunately doesnīt fit:mad:. It looks very much the same as the old filter, only the large hole is not large enough to fit the pump inlet. Or it must go on with quite some force, which i doubt. The old filter has a 7/8" opening, while the new one is 27/32". The old filter is not a metal mesh filter, it is some kind of nylon mesh.
Also there is a (small) difference in the distance between the two holes. Bought this filter from Rockauto.
Then something else, the fluid. Here in Brazil i canīt find any type F fluid. Also not sure what was used in it before, but the car came with a small bottle of Dexron III. (which could be for the power steering). Is there any modern fluid which can be used safely?

jopizz 11-05-2017 10:49 AM


Which set did you buy. I'm pretty sure ATP-B41 is the correct filter and gasket set. I believe Rockauto has the incorrect listing. They show B33 which I think is the large case (430) filter. I would call and see if you can return it and get the correct one.


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