Question about 2004 Chevrolet S-10

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Push button four wheel drive not working

I have a 2004 chevy s10. the four wheel drive is not working. i had this problem last year and read some where about resetting it by taking a fuse out and so fourth. this fix the problem. i cant remember where i saw that but it might have been here.

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  • jcradar77 Feb 19, 2009

    I have a 2004 ZR5 S1, and the 4x4 will not engage when i push the 4hi or 4lo butto, does not even sound like it wants to engage. I can push the buttons, after I shift into neutral, and they will flash for a little while then it will go back to 2hi.

  • The GQ
    The GQ May 11, 2010

    Do you have push button 4wd?

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6 Suggested Answers

  • 124 Answers

SOURCE: chevy s10 4 wheel drive will not engage

There is a vaccuum operated switch located on the transfer case that sends vaccum to the accuator that pulls a cable that locks the front end in. Check for vac coming in and out of this switch if no vac out replace it. This switch is a very common problem. You can find them at most parts stores in the help section #49315. please rate.

Posted on Dec 08, 2008

  • 33 Answers

SOURCE: 1994 chevy s10 blazer 4x4 push button type

small sylinoid on the top of the transfer case needs replaced. easy to do. it has three vacumelines going to it just trun out and replace like a bolt.

Posted on Dec 13, 2008

  • 3 Answers

SOURCE: 1998 chevy blazer won't go in to four wheel drive

It sounds like the encoder motor. That's the black plastic box on the driver's side of the transfer case. But just to make sure, the control module for the encoder motor is located behind the passenger side kick plate (inside the vehicle, passenger side, where your feet would be, outside side). Disconnect it for a few seconds and then reconnect it. If the problem still exists, you will have to repair or change your encoder motor. I grabbed one at a scrap yard for less than $100.00.

Posted on Jan 04, 2009

Molson02536
  • 3854 Answers

SOURCE: 4 Wheel Drive Problem

Put the key in the run position and turn your 4wd on and off to listen for the electronic acuator to engage and disengage. If your can hear it then it's macanical and a Quick fix. On top of the transfercase on the driver's side, your going to find three vacuume tube connected to a cauume switch that may have gone bad. There common to go bad and there not the bad of a price at the Auto Zone. Check for any cracks on the vacuume line first then get your hands dirty. Good luck and keep an extra switch in your glove box.

Posted on Apr 08, 2009

  • 101 Answers

SOURCE: 2004 Toyota tundra four wheel drive won't engage

Does the 4wd icon on the dash blink when you try? The most common problem I have seen is the 4wd actuator sticking. Its mounted towards the rear of the transfer case on the drivers side(US). It has about a 3inch electrical plug on it. Locate it and with the truck running have someone push the 4wd button while you lightly tap on the actuator motor. They can sometimes stick from lack of use. If it doesn't free up it may need to be replaced which is rather involved. The transfer case would need to be removed and opened up to replace.
Good luck.

Posted on Apr 15, 2009

  • 1509 Answers

SOURCE: 1998 Chevy S10 front axle will not engage when put into 4 wheel

Normal thing that happens as long as onone (worked) on it, is the vacume hose going to the engage sevevo under the battery box has fell of on either end or is brocken on the way there. Then the once or now leaky battery acid ate up this same servo. then the cable going to the front axel breaks sticks falls off or even someone needing one climbed under your truck while parked somewhere to get one to replace their brokeen one now you don't have one then theaxel engage arm or gearset is damaged

Posted on Aug 16, 2009

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