Input shaft

Freebeer187

The Bolt Rounder
Feb 2, 2009
5,334
10
Schaumburg
This is an input shaft right?
79f750b03588d5659b4b58c013c3595c.jpg


I remember at one of the transmission shops the guy said that the stock input shafts had very little thread on them and would eventually shave.

He said the hardened ones they would heat treat them to "harden" them. Is this what u guys mean when you say hardened input shaft or are you talking about a different metal used or what?
 

Mike K

TCG Elite Member
Apr 11, 2008
13,214
2,586
If that's a very antiquated looking torque converter then yes, that's an input shaft. There's no common denominator when it comes to failures unless you're looking at a specific transmission. On one transmission it might be the splines that sheer off and on another the shaft might just break clean in half.

On the W Bodies the splines generally don't fail. It's the shaft itself that fails, generally at it's thinnest point. The replacement shafts use a harder metal and thicker walls to prevent future breakage.
 

Bob Kazamakis

I’m the f-ing lizard king
TCG Premium
Oct 24, 2007
85,185
44,802
Denver
Real Name
JK
If that's a very antiquated looking torque converter then yes, that's an input shaft. There's no common denominator when it comes to failures unless you're looking at a specific transmission. On one transmission it might be the splines that sheer off and on another the shaft might just break clean in half.

On the W Bodies the splines generally don't fail. It's the shaft itself that fails, generally at it's thinnest point. The replacement shafts use a harder metal and thicker walls to prevent future breakage.
That looks to be a pump to me not a converter.
 
Old Thread: Hello . There have been no replies in this thread for 90 days.
Content in this thread may no longer be relevant. Consider starting a new thread to get fresh replies.

Thread Info