<VV> Lockup Problems Re: more PG vs 4spd thoughts

[frankcb at aol.com]

Ken and Matt,
True, but problems can arise from the lockup mechanism as I found out one evening when I drove?my late wife's 89 Chevy Beretta (3 speed auto with lockup) to a?NJACE club meeting.? All was well until I got near and slowed down to enter?the meeting place.? The car acted like it had a manual trans and I needed to put the clutch pedal in.? So I shifted to neutral and coasted to a?parking place.? The lockup solenoid had failed to function correctly and kept the trans "locked up" even when it should have released it.? After the meeting, the lockup had finally disengaged and I was able to begin driving home, but I was afraid of a?reoccurrence of the problem so I had to choose highways and avoid?local roads that had stoplights and stop signs.? After exiting the highway near my house I had to slow down for a light and could?feel the same problem beginning to reappear, but I was able to get throught the light without having to completely stop.? As soon as I got the car in my own driveway and braked to a stop, the engine shuddered and stalled since the trans (a 125C as I remember) remained locked up.? Subsequent research on the?Internet revealed that this was a known problem with this?GM 3 speed trans and with more research (and the shop manual that I always buy when I get a new car) I was able to locate and disconnect the wiring to the lockup solenoid.? From then on the problem was solved but the trans would never lockup again so I only used the car for local trips.? I was afraid that long trips with?NO lockup would lead to overheating of the ATF.? This?is not a problem with our Corvair PGs since they are designed?without a lockup feature.
Frank Burkhard??????




-----Original Message-----
From: kenpepke at juno.com <kenpepke at juno.com>
To: virtualvairs at corvair.org
Sent: Mon, Jun 7, 2010 6:57 am
Subject: Re: <VV> more PG vs 4spd thoughts




 
 
AND ... when the converter locks up it feels like the transmission has shifted  
up one more gear; makes a 3 speed automatic feel kind of like a 4 speed or an  
overdrive.  Sure would like one in a Corvair :-)   
Ken P 
 
******************** 
Matt Nall <patiomatt at aol.com> wrote: 
 
 ron,  Torque converters SLIP..200-300 rpm 
 
 
Why today's cars, since '81,  have "lockup Converters" 
 
 
Matt Nall 
Charleston, Oregon 
http://mysite.verizon.net/nalllm 
 
 
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