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Old 01-12-2015, 09:49 PM   #8
mechanicalman
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Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
Re: 700R4 from 4.3 useable for 5.7 ???

Quote:
Originally Posted by Katrina/10 View Post
How do you tell if you have this small piston? Take the trans apart? I don't think I'll be doing that until it stops working! Thanks for the info.
They are talking about the 1-2 servo piston, part of the 1-2, 3-4 servo assembly. 99% of it comes out by removing 1 external C wire, it's on the passenger side near the front and close to the pan.
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