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Posted By: Terrance57 '57 Transmission fluid question - Mon Jul 15 2019 07:59 PM
I've recently picked up a '57 Apache, and I'm getting ready to replace the transmission fluid, and wanted confirmation I was looking at the right spot for the refill.

Can anyone please confirm in the attachment the red arrow is pointing to the fill plug hole, and SAE 90 is the right fluid? Looks like 6.75 pts?

If I'm right and that is the spot - seems tedious to get that filled up, any best practices to ensure I don't end up with transmission fluid all over my garage instead of in the truck would be appreciated.

Attached picture Screenshot 2019-07-15 12.47.24.png
Posted By: BC59 Re: '57 Transmission fluid question - Mon Jul 15 2019 11:51 PM
That is the fill / fluid level plug. You can pop the shift lever out & pour fluid in top.
Posted By: tclederman Re: '57 Transmission fluid question - Mon Jul 15 2019 11:57 PM
SM420 4-speed

Fill to the hole level, if topping up having warm oil in the transmission.

Fill to about 1/2” below the hole level, if adding all new/cool fluid to the transmission (or, 6 pints, supposedly).

http://chevy.oldcarmanualproject.com/shop/1954truck/54ctsm0005.html
Posted By: Terrance57 Re: '57 Transmission fluid question - Tue Jul 16 2019 01:40 AM
Thank you for the responses!
Posted By: LeeD Re: '57 Transmission fluid question - Fri Jul 19 2019 01:18 AM
You should be able to buy the correct fluid in a 2 quart size container that has a small spout that fits easily in the filler hole. Just squeeze it in until it starts to run out the hole. If you are replacing the entire fluid, it will just take a while.

Lee.
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