[QUOTE=Half-Inch Stud;6316633] Pro TH400/4L80 hack: inspect the Center-Support for Sun Gear Shaft-to-Babbit Bushing play. Any play means a new $10 Bushing is needed.
I plan on R+R-Ing all the Bushings, while I am in there, "why is that particular area your diagnostic"? So, I can learn something please. Mike out.
P.S., Cliff, I recognize your name all over Forums and Internet. You wrote the book on TH 400 Transmissions. Now that I have a reliable source, could you explain "why I lost all the Forward Gears please"? I have been following people like you for the past 10 years as I have been working on this second-hand Project and learned a lot of valuable information and I would like to thank you. I own a 1979 Pontiac Trans Am with a 1967 Pontiac 428 ci HO Engine with a 1966 Rochester Tri-Power 2bbl carbs over the 1966 GTO Intake Manifold made of cast Steel. The TH 400 is backed with a Gear Vendor unit and a B+M Shifter.
All was well, until I ran over A root under a paver driveway and because the car has been lowered this event destroyed the Bushings in the old T.C, I must be careful going over speed bumps. This event that damaged the Torque Converter was unforeseen and costly. Mike out.
Last edited by TRADERMIKE 2012; 02-06-2022 at 04:44 PM.
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