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Old February 13th, 2010, 04:58 PM   #1
offroadster
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Default 1996 chevy electronic t-case

I have a 1996 chevy with the push button 4wd and when you go to engage it doesn't want to engage quickly it just blinks then you back up and it goes in? Just wonderin if you guys knew what could be the problem thanks
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Old February 13th, 2010, 05:04 PM   #2
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4wd actuator in the front axle.
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Old February 13th, 2010, 05:13 PM   #3
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That is what you think it is that is what I thought and also when you are driving it at 50 mph it grinds when you kick it in
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Old February 13th, 2010, 05:15 PM   #4
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hmm now that you mention it is grinding, that kind of throws me off.
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Old February 13th, 2010, 05:32 PM   #5
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Hey that's what it does but I have been told that it maybe the actuator but if you hear of anything any advice would be appriciated thanks
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Old February 16th, 2010, 12:52 PM   #6
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Hey that's what it does but I have been told that it maybe the actuator but if you hear of anything any advice would be appriciated thanks
My truck kinda does the same thing, The 4x4 grinds when I try to engage it at speed, that's caused from the front diff not being engaged all the way so the gears are grinding, it's because I have the sh*tty heat activated actuator, check yours, if it's the heat one it'll be metal, but since you the the 242 transcase it should be the black platic electric actuator. If so then you probably just need to replace the actuator, I haven't heard of them going bad, normall they work or don't work, but it's an electric device lol i think they're about $80. Don't buy a used one, they will sieze up after they've been sitting for a while, heat ones will do the same thing but they will fix themselves if you leave it engaged.

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Old February 16th, 2010, 03:41 PM   #7
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Thanks man i was gettin worried that i may be something bad like the t-cas eor something like that and now that you say that my other 1996 gmc does the same thing but it is manual shift you have to come to a complete stop or pretty darn slow for it to kick in so it looks like i will be investing in two acuators i really appriciate it
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Old February 16th, 2010, 08:03 PM   #8
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Thanks man i was gettin worried that i may be something bad like the t-cas eor something like that and now that you say that my other 1996 gmc does the same thing but it is manual shift you have to come to a complete stop or pretty darn slow for it to kick in so it looks like i will be investing in two acuators i really appriciate it
You probably don't need to replace the actuator on your other gmc, especially if its a manual shift (mine is), them not going into 4x4 fully at speeds is just the nature of the gm floor shift for these trucks, there really isn't anything you can do about it, excpet put it in 4 before you need it haha

be careful when you purchase actuators though, the electric and heat actuators have different lengths (the heat one is longer), i'm really not sure if it makes a difference or if the electric actuator just pushes out farther or what the deal is, but just stick with replacing the actuator your truck came with, though i'd love to put the electric actuator in my truck (almost- instant 4x4 instead having to wait for the actuator to heat up)
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