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-   -   4l60e case ball check location (

vanislejames 04-18-2012 02:44 AM

4l60e case ball check location
I have a 2004 Avalanche with standard issue 4l60e trans, I have a schematic of the ball check location for the valve body side, Also the case side, My problem is it seems like there is an upgrade or change up for the case side, I only have the earlier schematic with 2 balls, one caged at bottom center and the other just above the accumulator, I am thinking there is now a 3rd at the top left, earlier pics show a square hole at the top left with a blank bottom but my trans has a tunnel(hole)instead of blank base that I believe the third ball came out of, Is anyone familiar with this.

SSedan64 04-19-2012 12:46 AM

May find Info in one of these:

vanislejames 04-19-2012 11:00 PM

Thanks SS,,I just went right to the source and asked a tech buddy (Calgary Transmission),,Turns out there definitely is 3 ball checks in the case, The one at the top left goes into a 1 inch deep tunnel at the base of that particular gallery, I thought so but had to be 100% sure, The pics I looked at did not show it, Was most likely a very early 90s 4l60e in the pics

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