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Service four wheel drive in my 2008 chevy silverado z71

When I put my truck in auto four wheel drive this message comes on and it won't switch out of four wheel drive auto or anything the truck drives fine but I wondered what this message meant

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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dmfixit
  • 226 Answers

SOURCE: 2000 chevy 1500 truck stuck in 4-wheel drive

the shifter accuator or the wires going to it on the transfercase..gl

Posted on Jan 06, 2009

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Monster80
  • 460 Answers

SOURCE: 2000 silverado z71 service 4 wheel drive light on/off

The problem is with the front actuator.Its flashing in the dash lights because is not functioning properly.Replace actuator and fix problem.Its a 4 or 3 wire screw in plug in front axle,,

Posted on Mar 27, 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

  • 1608 Answers

SOURCE: My 1999 chevy silverado 1500 four wheel drive

You probably have a bad encoder motor.It is located on the side of the transfer case on the drivers side.It is black.The other problem they had with these was the switch but you have already replaced this so your next thing is the encoder motor.Hope this helps.Good luck.

Posted on Dec 28, 2009

  • 7 Answers

SOURCE: 2004 chevy silverado 1500 4 wheel drive wont work..

try selecting from nutreul or less then 3km

Posted on Feb 20, 2010

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1 Answer

I have a 2000 Chevy Silverado z71 w/ 5.3 motor and electronic four wheel drive. My four wheel drive quit working last summer, and I haven't been able to fix it yet. Here are the facts: 1. I was e


I have found out that usually the two ground wires that are attached
to the frame right under the front of the driver's door is the culprit that
causes the 4wd selector switch in the dash to go bad. Chevy had the bright idea
of applying the undercoating and/or not cleaning the point of contact of the
ground wires before they bolted them to the frame therefore overtime moisture,
dirt and corrosion affects the contacts of the threads of the bolts which are
the only source of ground the two sets of wires have. There are 2 things you
will need to do. First you will need to take the bolts out and use a wire brush
to clean down to the metal of the frame as well as the bold threads and ends of
the wire attachments and then reattach the ground wires to the frame (time to
complete - less than 5 minutes). Second you will need to replace the 4wd selector
switch in the dash. You can purchase this online from Amazon (Dorman 901-062
4-wheel drive switch for $31.15 - no tax or shipping and handling). To replace,
gently pull the outer trim of the dash out by using just your fingers. You do
not need to completely remove it, just pull it out far enough so that you can
pull the old switch out of it slot. Then unplug the two plugins located in the
back of the switch. Plug them into the new switch and push the switch back into
the slot and then push the trim back into place (time to complete - less than 5
minutes). This should take care of your problem. Most often, people make the
mistake of just switching out the dash switch and when that does not correct
the problem they then replace the more expensive and time consuming actuator
motor and location indicator on the transfer case that does not need to be
replaced. I should point out that when the Service 4WD light comes on, there
are no codes that show up on the code readers which is awful strange in its
self. I hope this helps everyone with
this problem because I sure wish I knew this before my many costly and time
consuming trips to multiple repair shops including the dealer and none of them
were able to successfully repair the problem. It sure seems like Chevy could
release a repair bulletin so that everyone could fix Chevy's blunder. I bought
my 2005 Silverado new in September of 2005 and this has been the only major
problem I have every had with this truck with the exception of the check engine
light that came on this past spring and the error code was P0446, which was the
Vapor Canister Purge Valve. They have since come out with a new conversion kit
that cost close to $100.00 and is very time consuming to replace. I highly recommend
that you can purchase the original equipment part from Amazon - ACDelco 214-2147
OE Service Vapor Canister Purge Valve for $16.36. You will have to cut the vent
tubing right at the old canister and use a 2 inch long piece of vacuum tubing the
next size up to attach the new canister because the original tubing is hard and
cannot be stretched to remove on to reinstall the new part. The canister is located at the back of the gas tank and can
be accessed without having to even jack up the truck. It clips right onto the
back of the gas tank and has one plug in going into it (time to complete - less
than 5 minutes). Best wishes, Mike Gilbert, St. Joseph, MO

Apr 18, 2013 | 2000 Chevrolet Silverado 1500

1 Answer

1999 z71 1500 chevy pickup won't start


Has the check engine light come on at all ?

Jan 26, 2012 | 1999 Chevrolet Silverado 1500

1 Answer

How do you engage 4 wheel drive in a 1994 Silverado 1500 Z71. I bought it used from a private source and there is no owners manual


First, you need to put it in neutral when you are stopped, then put it in four-wheel-drive, then go to reverse and back-up until the light comes that says your in four wheel drive.

Dec 27, 2010 | 1994 Chevrolet C1500

1 Answer

My 99 chevy silverado 4x4 doesnt work switch indicator lights dont light up ive changed the switch any ideas


can not get the lights to come on or go into four wheel drive bought new four wheel drive switch for dash but didnt help

Dec 12, 2010 | 1999 Chevrolet Silverado 1500

2 Answers

2004 chevy silverado 1500 4 wheel drive wont work..


try selecting from nutreul or less then 3km

Feb 02, 2010 | 2003 GMC Sierra

1 Answer

My 97 z71 wont shift from 4wd back into 2wd


sometimes you have to reverse for it to kick out of four wheel drive. Make sure you put the truck into neutral before you switch out of four wheel drive into two wheel drive. If that doesn't work, your transmission might be sticking.

Jun 17, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

2000 Chevy Four Wheel Drive Stuck in Lo


The electrical switch going to the 4wd is bad more than likely. It would be the one under the truck

May 26, 2009 | 2007 Dodge Dakota Cab SLT

1 Answer

4X4 wont switch back to 2WD from Auto FourWD or Four


ok this is easy,put the truck in park and put your foot on the brake then push the button

Mar 12, 2009 | 1999 Chevrolet Blazer

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