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Power Strokes
7.3 Tech
4R100 Hydraulic Cross Channeling Problems
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[QUOTE="Maryland dieselnick, post: 1561288, member: 22661"] The valve body area of the case often deflects causing leaks ( low/no apply pressure) or cross channeling. There is a substantial gap between the center support and case. Sonnax offers a shim to fill that gap. It must be carefully filed to fit your gap. Valve body surface must be checked with a straight edge. Center support bolts should never be finally torqued until final assembly of the bore and the transmission is in the horizontal position. MANY disregard this a problem especially when not using a shim because the tension of the overdrive spring torques against the center support and the feed bolts. [ATTACH type="full"]186598[/ATTACH][ATTACH type="full"]186598[/ATTACH] [/QUOTE]
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4R100 Hydraulic Cross Channeling Problems
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