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Appear :service 4wheel drive.i don't know what's problem.my car is Tahoe 2007

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  • Cars & Trucks Master
  • 15,478 Answers

That could be a lot of things. There is a TSB (technical service bulletin) issued for that problem.
It could be a bad switch, It could be a difference in the front and rear differentials.

Posted on Jan 01, 2013

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: How to reset Service 4wheel drive warning light on 2005 ChevTahoe

I have a 2005 Tahoe that recently had a similar problem. To resolve, I did the following.

  1. Change the transfer case fluid (Which you already did)
  2. Change Gears to 4L while in neutral, change back to drive, and drive slowly 50 yards or so.
  3. Change Gears to 4H while in neutral, change back to drive, and drive slowly 50 yards or so.
  4. Change Gears to 2H while in neutral, change back to drive, and drive normally for a couple of miles.
This will cycle the fluid within your transfer case, and hopefully clean out the sensor. I did this, and my Service 4WD light went away after one day of normal driving. Hope this helps. Note: When I went into 4L the first go around, it had a hard time shifting due to non use. I changed between 4H and 4L a few times until it got smoother.

Posted on Mar 30, 2009

ghost45
  • 1280 Answers

SOURCE: 4wheel drive light is blinking

there is NO '4wheel drive emergency' light on a 2006 Tucson.

Posted on Sep 23, 2009

  • 31 Answers

SOURCE: 2004 trailblazer. Service 4wheel drive light comes

The 4WD in this vehicle is computer controlled. There will be diagnostic codes stored that will aid in proper diagnosis and repair of this problem. As there are several common / expensive failure items, it is best to have the codes read using a proper scanner. Some of the cheaper code readers may not work in this instance and a more professional scanner may be needed to retrieve the codes. Once you know the codes, a better, accurate diagnosis can be made.

FWIW - The encoder motor on the transfer case is a common failure item. The instrument panel switch module is also.

Posted on Jan 14, 2010

tunde007
  • 2382 Answers

SOURCE: 2007 chevy tahoe 4 wheei l drive service light on

Hi, it means that the computer that controls the 4wd has detected a problem and set a trouble code. So you have to use a OBD II scanner to scan the car or take the car to any auto zone near you to scan for free if you don't have the scanner. A trouble code will be gotten after the scanning and interpreted to detect the cause of the proble.

Posted on Nov 04, 2010

coop442000
  • 187 Answers

SOURCE: how do you change the

Hi, the axle has a drain plug at the bottom, removing this plug allows all old fluid to empty, put the plug back in, and tighten. fill back up with 2-3 qts of 75 synthetic weigt oil. Good luck...Coop

Posted on Dec 12, 2010

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1 Answer

2007 tahoe has the "service four wheel drive". With this message the four wheel drive does not engage. Problem does not happen everytime I start the Tahoe only sometimes.


I would put my money on a bad encoder motor. The motor is bolted to the side of the transfer case. With the problem present scan for transfer case codes. There will likely be codes stored in history as well. Once you know those codes you will know what test you have to do in order to accurately diagnose the problem.

Sep 08, 2013 | 2007 Chevrolet Tahoe

1 Answer

How do you change the oil in the rear axile of a 4wheel drive 2007 tahoe


Hi, the axle has a drain plug at the bottom, removing this plug allows all old fluid to empty, put the plug back in, and tighten. fill back up with 2-3 qts of 75 synthetic weigt oil. Good luck...Coop

Dec 12, 2010 | 2007 Chevrolet Tahoe

1 Answer

2007 Tahoe,, recently switched to 4Wheel HI, feels like the vehicle is braking hard when making wide turns and there's some noise in the front...39K miles, mostly driven in 2 wheel , occasional AUTO during...


Sounds normal for 4HI operation on dry pavement. The driveline is binding 'cause every wheel needs to turn @ different speeds on a turn and can't. Shift to 2wd or Auto

Dec 03, 2010 | 2007 Chevrolet Tahoe

1 Answer

My tahoe wont go in reverse is it the tranny? what kind of tranny is it. it has 4wheel drive


it is a 4l60e trans with a busted reverse shell..need to see your local trans shop for repairs...dealer would be best

Dec 19, 2009 | 1997 Chevrolet Tahoe

1 Answer

Service 4wheel drive light on (dashboard)can I change out the fluid? after driving just a couploe of miles the service light comes on.Took a sample of transfer case fluid and can't quite tell...


The service 4 wheel drive light is indicating a part failure in the 4 wheel drive system.
Take your vehicle to your local Auto Zone or Advance Auto Parts and ask them to scan your Tahoe for trouble codes. The code will help to determine what the component failure is and you can start diagnosing at that point.
Write the code down and reply back, we can go from there.
Good luck.
Regards,

Sep 08, 2009 | 2000 Chevrolet Tahoe

3 Answers

How to reset Service 4wheel drive warning light on 2005 ChevTahoe


I have a 2005 Tahoe that recently had a similar problem. To resolve, I did the following.
  1. Change the transfer case fluid (Which you already did)
  2. Change Gears to 4L while in neutral, change back to drive, and drive slowly 50 yards or so.
  3. Change Gears to 4H while in neutral, change back to drive, and drive slowly 50 yards or so.
  4. Change Gears to 2H while in neutral, change back to drive, and drive normally for a couple of miles.
This will cycle the fluid within your transfer case, and hopefully clean out the sensor. I did this, and my Service 4WD light went away after one day of normal driving. Hope this helps. Note: When I went into 4L the first go around, it had a hard time shifting due to non use. I changed between 4H and 4L a few times until it got smoother.

Mar 23, 2009 | 2005 Chevrolet Tahoe

1 Answer

Service 4x4 light on was stuck in 4wheel drive. replaced motor encoder. Service 4x4 light still on. all fluids are good.swiches between 2 & 4 wheel drive when selector buttons are pushed, but not every...


I have noticed this on my tahoe a few times. The cause from mine could differ from yours, but i live on a dirt rode and the dust accumlitates everywhere. I had taken the switch out and took a can of pressurized air and blown the selnoids off and everthing worked great from there. The only thing that I could think of was that the dust was keeping it from getting a good connection. Hope this will work for you.

Oct 25, 2008 | 1999 Chevrolet Tahoe

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