Torque convertor not locking up?

I have a '96 with an AW4 and it seems (not sure) that my torque convertor isn't locking up like it should.

I'm on 33s with 4.88 gears and the correct (41 tooth) speedo gear but, when at a steady highway cruise, give it a little gas and the tach needle will show in increase in rpms with no increase in speed (like it's coming up to stall speed).

I'm very anal about maintenance....fluid and filter changed regularly and have a pretty good trans cooler.

How do you check to see if it is in fact, locking up and is there a sensor or solenoid that controls this (might need replacing?)

Thanks

Hans

Google is your friend.
http://www.google.com/search?q=inur...c08831fa61d630&bpcl=35440803&biw=1457&bih=762

There is a switch on your brake pedal that controls your brake lights, cruise control cutoff if you have cruise, and the torque converter lockup (so it unlocks if you step on the brakes). If it's out of adjustment it can cause it not to lock up. That's at least one thing to check.

Here:
http://www.transonline.com/transdigest/magazines/1997-10/Shift Pointers/index.html

And here:
http://www.naxja.org/forum/showthread.php?t=987463&highlight=solenoid

Original_MudButt said:

Here:
http://www.transonline.com/transdigest/magazines/1997-10/Shift Pointers/index.html

And here:
http://www.naxja.org/forum/showthread.php?t=987463&highlight=solenoid

Click to expand...

Excellent links, thanks!

Hans