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1940 Olds Master Cyliner???


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I posted this in the Olds section and have not recieved any response. Hoping it is ok to repost it in the general Tech section?

I have a 1940 Series 90. I ordered a rebuild kit for the brake master cylinder. Alas, it came with no directions. I have the shop manual but it gives no rebuilding advise. I have searched here and found a little information.


I have one question. On the end of the master cylinder where the brake lines come in, there is a large nut on the end of the master cylinder. Should this nut be able to be turned out for the rebuild? I have been soaking it with penetrating oil and wanted to make sure before I go and mess it up. Any guidance would be appreaciated.



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