TH400 rebuild tech

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 [[file:T-400feed-holes.jpg]]
-Another mod is blocking the 2-3 accumulator. I do this with a set screw. You tap the hole and install the set screw available from any hardware store.
+Another mod is blocking the 2-3 accumulator. I do this with a set screw. You tap the hole and install the set screw available from any hardware store. You will remove the 2-3 accumulator piston, discard the spring.  This firms up the 2-3 shift.
-This firms up the 2-3 shift.  Re-Install the piston in the hole.  Do not use a plastic piston, they break
+Re-Install the piston in the hole.  Do not use a plastic piston, they break
+Tap the hole that feed the backside, or spring side, of the accumulator piston. Install the set screw. Re-install the accumulator piston.
+What this does is eliminates accumulator function on the 2-3 shift. This results in a very positive 2-3 shift. You could leave 2-3 accumulator function in place and go slightly bigger on the feed hole.
 [[file:100_2218-1.jpg]]

Revision as of 22:17, 10 December 2011