Question about 1990 GMC C1500

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1990 GMC1500 not shifting out of frist gear

While driving my 1990 GMC C1500, I have great power in take off and 1st gear. Then it will not change into 2nd gear or other gears.

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  • 5 Answers

Time for transmission rebuild.

Posted on Mar 29, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1118 Answers

SOURCE: 95 GMC Jimmy 4L60E no 2nd or OD 4L60E

You might want to try this if its got a kick down cable unhook it from throutle body and pull it out as far as you can and let it snap back, do this a few of times, sometimes a valve gets hung up inside valve body of trans. and won't let it shift. If that don't help you may have to pull pan to dislodge it if thats the problem. chk. the plug on trans. (Its a 4 wire white plug) with test light with key on to see if there is power down there one will be hot, thats for overdrive, now on top of intake in front throutle body there is a sending unit that looks like a temp. sending unit with a 2 wire plug on it that sends a signial down to that plug when engine gets to temp. to let it shift to overdrive. Maybe this will help, or give you some ideas.

Posted on Mar 02, 2009

justuscc
  • 360 Answers

SOURCE: Trouble with transmission shifting from 1st to 2nd

the computer is in relearn mode could take up to 20 miles

Posted on Oct 25, 2008

  • 8 Answers

SOURCE: 2001 GMC Jimmy rough jump into 1st & 2nd gear after a stop

The more I learn about these solenoids, the more we can say that these trans shops may have lied to us from the start in stating the need for rebuilds...

Read up on all the different easily replaceable solenoids in the trans...

SHIFT Solenoids,
Kick Downs,
TCC,
And a few others...

If you don't normally get the trans service done on your truck, it will be more prone to damage...

So spend the money in preventative maintenance than to suffer from these headaches and then still spending money to have it repaired, and taken for thousands instead of just barely a $100 bucks worth of solenoids...

Posted on Dec 17, 2009

  • 37 Answers

SOURCE: 95 GMC Sierra 4L60E will not shift down to 1st or up to 4th.

no power stuck in 3rd gear electric shop unless youve burnt it up good luck...www.TransmissionGarage.com

Posted on Dec 30, 2009

csmock132
  • 4669 Answers

SOURCE: My 1996 GMC Yukon 4x4 transmission will only drive in 1st and 2nd

It will take off from a stop in overdrive but as soon as it shifts into 3rd at about 30 miles per hour it jumps into neutral? If yes, you have a burnt 3/4 clutch. The transmission will need rebulit. Cost of about 1600 dollars.

Posted on Jul 12, 2010

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In my 95 GMC Sierra 1500 4x4 just had the transmission rebuilt 3 weeks ago I was driving down the road and it shifted 1st to 2nd fine but from 2nd to 3rd it reved up all the way to 4500 rpms before...


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Yes, it will fit.Years that fit are 89 to 94.Appearance may be different it steering wheel between a chev or gmc,but wiring should be a exact fit.Other differences in columns are column shift(auto)w/tilt or w/out tilt wheel or floor shift(standard)w/tilt or w/out.

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did you change the tourq converter?and did you get it all the way into the pump? or is your shifter hung up?

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no power stuck in 3rd gear electric shop unless youve burnt it up good luck...www.TransmissionGarage.com

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