Truck C6 End Play Problem?
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From: Florida
Truck C6 End Play Problem?
I just rebuilt my 1971 truck C6 and have run into a problem that I think is truck specific. My C6 has a 4 pinion rear planetary, no snap ring on the output shaft and a short tail housing with the big bearing. My shop manuals are all for passenger cars. Before disassembling the tranny I checked the end play and it was .030". After installing new seals, clutches, steels, thrust washers and gaskets, the drive train has grown in length by about the thickness of one thrust washer (.060"). I have verified that the tranny has been assembled correctly a dozen times. My original pump selective washer was .080". After the rebuild, the tranny locked up when the pump bolts were tightened up. I changed the pump selective washer to the .050" black washer and the everything turns by hand but I still have no end play. I am sure I have installed a thrust washer where I don't need it, causing the end play to be too tight. Does anyone have any experience with this issue? Thanks!
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