Question about 1997 Chevrolet Blazer

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1998 Chevy Blazer 4x4, $ wheel drive won't work (both 4hi & 4lo )

I have a 1998 Chevy Blazer with 4 wheel drive hi and lo. I can hear the thing move (it makes a sound like a click when I first press it into 4 wheel drive and when I press it back into 2 wheel drive it sounds like something is moving and then a click) when I press the 4 hi & lo buttons on the dash, but it will not engage the 4 wheel drive. I have put it into "N" then pressed the 4 hi button and nothing. I even seen that someone said to put it into "N" press the button and then put it into "P" and then drive, still nothing.
Please help before I go crazy with this thing.


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  • thanff Jan 29, 2009

    mine too. I have the exact same problem. My 4wd will not engage my front axle. Thetransfer case works fine, the plunger that pulls the cable works fine but the front axle will not engage the tires. The light comes on and all is fine but the front drive is free. How do I determine the next step to repair this problem.

  • Gary Larbes Feb 04, 2009

    The cable that engages the front axles is too short on mine and as a result it has a bend in it and broke the cable. Also I unbolted the cable and shot some WD40 inside. I'm pretty sure that is what really did it because when I first put it into 4WD HI it sounded like a spring that just slipped off and then it worked fine every time, and with all the snow that has hit Cincinnati lately I really needed it.
    So I would suggest that you either check your cable to see if it is bent and take the bolt like end of the cable loose and shoot WD40 in there (shoot quite a bit in there it won't hurt anything) and let it work for a day, also spray some on the vacuum end of the cable. You can work it with a pair of needle nose pliers to get the WD40 in there pretty good.

    Good Luck


  • scott69md Feb 14, 2009

    I have a 1997 Blazer 4 x 4 and have the same exact problem, the 4wd Low & 4wd High buttons light up as if it is in 4wd but doesn't actually activate the 4wd.When i bought this vehicle from my brother he warned me that the 4wd did not work and said that hetested it by putting it all 4 wheels up on jack stands and put it in 4wd Low & 4wd High and the wheels would not turn.Any takers to try to solve this one?

  • Anonymous Mar 12, 2014

    the four wheel drive switch on my 1998 tahoe was broken i got a new one and went to fix it as soon as i took it off i could see that there were no wires to connect the switch to and i took the bottom dash apart and still couldnt find it i dont even know where its supposed to come out of can someone please help me



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  • 66 Answers

Reset the computer by disconnecting the battery. This should solve this. nutetral is for the four lo only to engage.


Posted on Feb 02, 2009


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SOURCE: 93 4x4 auto-tranny. When I

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SOURCE: 98 K1500 suburban, can not engage 4wd, HI or Lo runs otherwise

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SOURCE: 2002 s10 4x4 quad cab wont engage into 4hi or 4lo

Does your s10 have electronic shift or manual shift? Most i have seen are electronic shift try checking the shift motor on the transfer case, they have a tendency to corrode and split open the case. hope this will you

Posted on Jan 28, 2010

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