Question about 1999 Chevrolet Silverado 1500

1 Answer

99silverado-no low range

Dash button blinks, wont engage 4wd low

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  • conway623
    conway623 Jan 24, 2013

    found the tccu under the dash on drivers side on my 99. priced tccu @ dealer, $460. Had dealer check my no shift to low range problem. diagnosed as a faulty "neutral safety switch" $70 part. glad I had it checked instead of replacing the tccu!!!

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  • Chevrolet Expert
  • 284 Answers

It\'s either a glitch in your control or tranny linkage might be off. Should be computerized for shifting. Possibly bad computer.

Posted on Jan 19, 2013

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Posted on Jan 02, 2017

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SOURCE: 4wd not engaging

These trucks are famous for the transfer case control module failing
and causing problems like you are experiencing. The module is
usually located in the passenger foot well kick panel. You should
be able to find it easy since that is what is making the clicking noise
when you try to go into 4x4. When you find it-unplug the 2 connectors
and looks for green corrosion on the terminals in the plug and also on
the module. They are famous for water intrusion thru the heater system. If you find corrosion, terminals in the connectors will need to
be replaced as well as a new module(they are expensive).

Posted on Dec 14, 2008

  • 713 Answers

SOURCE: 2001 Chevy 4WD button lights don't come on - 4WD wont engage

check the solenoid on the front chunk these vehicles have had a lot of problems with these solenoids. have personally replaced about 10 of these on 98-02 models.

Posted on Aug 26, 2009

  • 1 Answer

SOURCE: 4 wheel drive wont swich back to 2 wheel drive

ok here i go my 2000 Z71 4X4 you can hear all the clicking when pushing all the 4x4wheel drive buttons seams to be working fine but service engine light comes on. the code comes up on the machine shifter selinoide.the trans has been pumped out and has new filter twice and new fluid .and still does the same thing but when changed the fluid and filter the first 2 times changing it would work fine. but then mess right back up. but seems like its stuck in 2nd or third gear when trying to take of in drive the normal way sounds like its lugging like the front end half locked or something .but pull the shifter in low or 2nd it takes off fine but want shift in to drive and overdrive kickitwayback@yahoo.com thank for any help on this

Posted on Dec 07, 2008

  • 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

  • 1 Answer

SOURCE: 4wd switches blinking and wont engage

I have the same problem with one addition - when I try to engage the 4X4 the ABS light comes on also. Sometimes when the engine starts and the ABS light goes off as normal the 4X4 will engage. What was the final solution.

Posted on Jan 19, 2010

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1 Answer

4wd auto shift does not engage 4wd.


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I have 2003 RA Holden Rodeo 3.0 ltr T/Diesel. The 2 front wheels don't seem to be engaging when i put it into 4wd (high or low range). I can hear the high and low range click in when i press the buttons...


Does yours have AUTO hubs, there are some luxory models have auto hubs, these rely on difference in drive on the axles,(wheel spin) others have manual locking hubs, these actually need to be engaged manually, these require you to twist the centre of the hub to engage and disengage the front hubs, these sometimes require you to reverse to disengage properly, Rodeo had both depending on model. Happy New Year

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I have a 1998 explorer and the 4wheel drive will switch on like it should and the lights do not blink or anything but I can tell the rear end doea lock in low but never any power to front axle in any...


On these issue,there are few solved help links for troubleshooting the issue easily.-------

Click the link below:---
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

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4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

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Car will not go into 4WD high or 4WD low?


http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

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4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

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4WD light is flashing and beeping? NO 4WD high?

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2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

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Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

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4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

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2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html

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4x4 front differential will not engage the axle on ford?

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4x4 will not engage on Ford F150? http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

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Dodge Ram 4x4 light keeps flashing 4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

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Ford 4x4 front wheels will not engage?

http://technoanswers.blogspot.in/2012/02/ford-4x4-front-wheels-will-not-engage.html

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These details will help.

Thanks.

Nov 23, 2012 | Cars & Trucks

1 Answer

96 gmc 4wheel drive not engaging


There are many vehicles which notice same issue with 4wd not engaging in low or high mode.I suggest you few help links related to these issue,with there troubleshooting details and solutions.
Car will not go into 4WD high or 4WD low? http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

------------
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

--------
4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

---------
4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

-----------
2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

-----------

Traction control switch will not engage on 4WD High or Low
http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

--------------
Service 4wd warning light on Dash? http://howtobyme.blogspot.com/2011/11/service-4wd-warning-light-on-dash.html

-----------
Car automatically switches to 4wd low?

--------
These are the help links related to your issue.Going through these help links,will guide you to troubleshoot and solve the issue noticed on your car.
Keep updated for more help.
Thanks.

Oct 17, 2012 | Chevrolet Cars & Trucks

1 Answer

2000 tundra 4wd takes forever to engage, 4 low will not


try pushing button and then put in reverse back up a bit and then put in drive see if it goes in quicker. put truck in nuetral befor putting into 4 low

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1 Answer

How do I turn 4wd on?


    • 1 Start your Dodge truck's engine.
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    • Many Dodge trucks allow you to shift from 2-wheel drive to the high range of 4WD at up to 55 mph--consult your truck's manual to ensure that this is possible. Do not exceed 55 mph while engaged in the high range of 4WD. Do not exceed 25 mph while engaged in the low range of 4WD.
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