[elky] Re: Lockup info

  • From: Chris Lindh <chris@xxxxxxxxxxxxxxxxx>
  • To: elky@xxxxxxxxxxxxx
  • Date: Sat, 25 Dec 2010 12:42:13 -0500

Wish I had a suggestion... I'd try the easy checks first.  I would
post your problem to some other forums (G-Body, El Camino, etc.).
Poking around the trans internals may be the only way to find out the
cause... which is tough on a daily driver.

On Fri, Dec 24, 2010 at 11:13 PM, John Christensen <johncgg@xxxxxxxxx> wrote:
> Just got this off a forum for G-body:
>
> Re: 200 R4 Lockup problems
> ________________________________
> All it takes is just a particle of debris to cause the internal valves or
> solenoids to stick...Lockup solenoid staying energized (not likely),lockup
> solenoid sticking (highly likely) or converter clutch apply valve sticking
> (very likely), or few other very unlikely causes. Unplug the 4 pin connector
> on drivers side of trans, take for short drive; if still locking up in
> second, it is the solenoid sticking (serviceable from inside the pan) or the
> apply valve (located in side of front pump assembly, the valve CAN be
> serviced in car).
>
> I am thinking the TCC apply valve could be the main culprit, because when I
> take the power away, it still does not disengage. Is there a replacement
> valve? Or is it just check balls and teflon seals?
>
> More research is needed. Thinking out loud to the car crowd...
> JC


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