Question about 1994 GMC Sierra

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My ignition key is stuck in the tumbler. problem just started.i cannot get it loose what do i do. 1994 gmc 5.7 ltr 4x4 sierra truck

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You can try using graphite powder in the ignition switch if you can remove the key,put the powder on the key & push it in & out to work the powder into the switch, don't use any spray type lubricants as this only attracts dust & clogs the switch up even more....hope this helps.....cheers

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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The truck with steering problems is a 1984 gmc sierra classic with tilt and the colum is loaded wipers cruise ect. the steering wheel is real wobbly and the key gets stuck in on and off position try to...


Sounds like your ignition/key tumbler is worn. A lot of times tumblers can get worn to the point that the keys will stop working or work sometimes. Usually the key goes bad first, since they tend to get the most abuse. It is not expensive to replace. I hope this helps.

Jul 03, 2011 | GMC Sierra Cars & Trucks

1 Answer

How to remove the ignition in 1991 GMC Sierra when the position is in "off"? I can't turn the key to the "on" position as instructed


with the steering wheel removed remove the KEY CHIME(push in connector w/2 copper wires)
there should be a bolt securing key & tumbler removing bolt & pull tumbler out

Jun 13, 2011 | GMC Sierra 1500 Cars & Trucks

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I have an 1994 GMC sierra 1500 4x4 and it has a lever to shift it into 4x4 hi or lo or 2 hi. I can shift it into any position but my front tires do not turn only the back ones! what could be the problem??...


the front axel control solinoid is not working, it's on the right front side of the front axel, it most likely the cause [ commom problem]. it's easy enough to replace, it just unscrews from houseing. good luck.

Jan 03, 2011 | 1994 GMC Sierra

1 Answer

Key stuck ignition truck still runing


remove the ground cable from the battery and buy a new key lock cylinder for your ignition. The tumblers have jambed up and they are not rebuildable for the money they cost are cheap

Mar 28, 2010 | 1993 GMC Sierra

1 Answer

Key wont turn in my 2004 GMC Sierra that was recently broken into...


I imagine that they tried jamming a screw driver or something into the ignition. You will most probably need a new key and tumbler

Mar 28, 2010 | 2004 GMC Sierra

1 Answer

Key stuck in on position cant turn car off


This sounds like a warn ignition lock. The tumblers probably are warn down and have too much slop so the unit is jamming. Try wiggling the key around as you turn. Good luck.

May 15, 2009 | 1991 GMC Sierra

1 Answer

99 GMC Sierra Pickup: Crank but no start. starts with starting fluid but dies. changed out the fuel filter. still not start. Do I have a bad Fuel Pump? Security light flashes then goes solid after 10 min....


The theft light issue is a good observation. Have you replaced the key tumbler or an ignition component lately? Has there been a lightning storm close very recently?

What the flashing security light is indicating is an attempt to relearn the key you are using.
Turn the key to run position, allow light to flash for 10 minutes, when light stops flashing turn ignition to OFF position for 5 seconds, turn ignition to run position and start over. Do this for 3 consecutive cycles, the the theft system will relearn the key cylinder code and store it once again.
Try that first before you go any further.
Let me know what you find.
Regards,

Apr 30, 2009 | 2000 GMC Savana

2 Answers

How do I remove the key tumbler 96 gmc pickup?


Most often the lack of spring back is not the key and tumbler set itself. There is no spring back in the tumbler but rather the internal area of the column- you can determine this by cylinder removal if you know how to remove. A 96 is most often what they consider a 10 cut side bar ignition. by diconnecting your battery and removing some shroud around the ignition. You will need to turn the key to crank postion and hold it their in order to depress the retainer that holds the cylinder in place, located top ignition.( Retainer small hole area)
While depressing retainer pull cylinder out -and you will have lock in hand for you to examine.

Apr 09, 2009 | 1996 GMC Sierra

1 Answer

Ignition stuck


sounds like key tumbler broken internally , disconnect coil to stop engine and disconnect battery to stop battery drain til problem fixed, may have to jiggle key and tumbler til it releases key ,

Feb 16, 2009 | 1991 GMC Sierra

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