Question about 1990 GMC Suburban
My 1990 suburban idles in park and does not when put in gear. It stalls
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Posted on Jan 02, 2017
If the engine stalls abruptly on your Cirrus, as if some one clamped
it, then I would suspect that the 'lock-up' function on the torque
converter of the transmission is in the lock-up position. That means it
is the same as popping the clutch on a conventional transmission car,
which cause the same stall. If you can't drive the car, I would call
around to several independent transmission shops to find one that is
familiar with the Chrysler 41TE transmission and that appears to be
honest. Ask if they have a diagnostic readout box to communicate with
the transmission control computer. If they do then have the car towed
there and let them try a readout. If they get a code 38 or 0740
(depending upon what year model you have there) then that would show
that the lock-up is the problem. If you are lucky the problem will be
with a solenoid switch or valve in the box on the side of the
transmission which can be corrected easily without removing the
transmission. Because this possibility (along with about 6 other
causes) is worth pursuing, I would want a shop that is not going to
talk you into a "rebuild" without first looking into all the possible
reasons for the lock-up condition so you aren't "taken for a ride".
So ask friends if they know a good honest shop and check them out as to how well they understand the Chrysler transmission. You may end up at a Chrysler dealer, but insist on their trying all the other possible causes before authorizing removal of the transmission which is a very expensive repair and may not be necessary.
Posted on Jun 29, 2008
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