Posted by Dennis K (WA) on November 06, 2012 at 08:28:47 from (24.21.78.195):
In Reply to: Hough transmission posted by Bill in IL on November 05, 2012 at 19:46:32:
Good morning,
My first thought was too heavy oil also but you have used the right stuff.
The other replies are also valid like a suction leak.
You did not mention pressures at all. Main (clutch) pressure should be 160psi-180psi. You should have this in neutral, in any gear, at idle or hi idle. Do you know what the pressures are? Does the machine have a gauge on the dash? If no gauge you can tap in a gauge at a pipe plug on the selector valve on top of the transmission. This is the main pressure port. Use a 300-500psi gauge, not one that goes to 3000 or something.
Another thought has to do with the selector valve. It has three spools, a F&R spool, range spool and a declutch spool which is activated by the left brake if it is still stock. The shift spools are probably ok if the detents feel good but maybe a problem in the declutch spool. Disconnect the line to it, some were air, and try it. If the declutch spool is not moving properly it will not allow pressure to get to the clutches.
Torque converters are rebuildable but probably not your problem.
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