Question about 1994 Chevrolet Lumina APV

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Hi i have a 1994 chevy van 3.8 engine tranny is 4 t160 my problems is that my tranny not shifting its was rebulit i changed soleniod it drove for a few days then it started to shift rought tranny people telling me its the computer box no goood send ing mix signs is this true they gave dianogstic test ... but i dont believe them

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  • Kelley Duncan May 11, 2010

    What selonoid did you replace?

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Anything could be going on, need a small clue?

Posted on Jan 18, 2009

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You may need a trans shop to take a look. Often times changing the fluid and filter on a vehicle thats over 15 yrs old causes more problems than it solves. Draining the fluid and changing the filter removes particles that were keeping the clutches and bands working. Something could have clogged up one of the ports on the valve body too.

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Feb 22, 2012 | 1994 Chevrolet Sportvan G30

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Transmission (1994 astro van ) shifts fine sometimes and other times feels like it stuck in 4th gear. i changed the filter and flushed the trans.Whats up with that?


Its more likely the tranny shift solenoids or the power wire going to the tranny. If the tranny loses its ignition feed (12Volts) it will default into limp home mode. This means neither shift solenoid has power and will be in the off position. When both shift solenoids are in the off position this is normally third gear. It will be very labored taking off from a stop being in third gear, but will allow you to still move (thus limp home). Astro vans were not known for it, however full size pickups with the same engine and tranny, would experience a bad ignition switch. It would disable the tranny circuit and no power would get to it, same symptoms. If it sometimes works it won't be a bad fuse, best to have it diagnosed at a reliable transmission shop to verify. Its not as expensive as a tranny overhaul.

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Where is the shift solenoid located at on a 94 g20 van


1994 chevy 3/4 ton van, you have a 4L60E ?
You have to pull the trany pan, ther are 2 solenoids A and B. You will probably want to replace both, they are at the front on the valve block. www.rockauto.com

Feb 04, 2010 | 1994 Chevrolet G20

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PROBLEMS WHITH THE TRANSMISSION CONTROL SOLENIOD


===shift interlock solenoid--Inside the steering column near the ignition switch

===1-2 shift solenoid valve--Inside the automatic transaxle
to remove it :
  1. Remove the case side cover. Refer to Case Side Cover Replacement.
  2. Disconnect the transaxle wiring harness.
  3. Remove the 1-2 shift solenoid (315A).
2-3 shift solenoid valve--Inside the automatic transaxle
to remove it;
  1. Remove the case side cover. Refer to Case Side Cover Replacement.
  2. Disconnect the transaxle wiring harness.
  3. Remove the 2-3 shift solenoid (315B).
==the torque converter solenoid--inside tranny too

good luck,let me know

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check fluid conditon and level, may be a faulty soleniod

Apr 24, 2009 | 1994 Chevrolet C1500

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My 1993 chevy van will not shift out of park


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im sorry to say no it will not.

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Transmission problesm


Hello;
Ahhhh I see from the next post why. Have you changed the transmission fluid and filter?
Let me know, and is this the only problem with the transmission you are aware of?
Thanks;
Rich
RPM Northwest

Feb 05, 2009 | 1994 Chevrolet S-10 Blazer

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Trans fliud leaking from vent tube


Hi, It seems to me all the problems with this tranny are electrical related, that tranny has about four solonoids, for shifting, line pressure, etc, I would have it scanned for trouble codes, I have the same van but am having trouble with hard shifting, also soloniod problem. hope this helps.

Jan 06, 2009 | 1990 Chevrolet C1500

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