Question about 2003 Chevrolet Silverado 1500

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2003 silverado Z71 feels like it is in 4WD when it is not.

When I am in 2WD, it sounds like it is in 4WD. When I am on snow or ice, only rear wheels are driving. When I put in 4WD, everything works just fine. I noticed increased fuel consumption on the last couple of tanks.

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Not sure what you are concerned about here, probably fuel economy i'm guessing? you might consider purchasing a "scangauge II" which will give you a digital readout of about every sensor on your truck, including fuel consumption, ignition timing, knock ******, MAP, intatke temp, trans temp, etc.

it also reads/resets codes, i have found it to be a great diagnosis gauge/tool

Posted on Feb 10, 2009

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Why does my jeep cherokee pop out of two wheel. Drive when I am driving it


using 4wd?
what year car?
is it part time 4wd.
if yes, do not use 4wd on pavement unless its
packed in snow or ice.
of risk damage.
what transmission, auto or stick.
2wd car or 4wd, yup they make both.
tell what you are doing, with controls with the POP happens?

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4wd troubleshooting


Binding up the gears while in 4wd is prevalent when operating on hard surface roads where the wheels are not allowed to slip to relieve the pressure from the uneven road surface. 4WD is mainly for use on dirt roads -snow- ice- bogs-sand etc where the wheels can equalise out the loads . To prevent the problem only use 4wd in those situations.

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I have a 2002 silverado 4x4 with a manual t/c shift. After putting it into 4 wd it will not disengage back into 2 wd.


WHAT SURFACE are you driving on,...????? ICE , pavement?
part time, full time or AWD? which is it.
Autotack????
open diffs?
some AWD have a center diff, lock , is that on? (never on pavemnt)


a chevy Jeep Grand cherokee??????
is this a 4wd question?
are you driving on pavement , ICE, snow or dirt.
my wild guess, is this is Cebby. and is not a Jeep
and is PART TIME 4WD and is not AWD
if you drive on pavement that is not covered in ice or snow
that is wrong, the manual explains that.
part time 4wd only works on ice or dirt.
more simply,. 1 tire must slip, that is be on something like ICE or dirt .
Part time 4wd has no center differentail
and if you drive on pavement (dry) it will windup the drive line
and something breaks.
so REpost what you are driving on , the world is complex
dirt,sand,snow, granite, ice, mud, ?

im guessing, here is trac-lock. discussion....
http://www.fullsizechevy.com/forum/general-discussion/technical-maintenance/504267-2002-silverado-z71-4x4-not-working.html

here are the options, then
quote:
The only 4WD options were either the base option with a manual 4WD shifter in the floor OR the more expensive pushbutton version in the dash. The pushbutton version also provides full-time 4WD capability, called AutoTrac. Whether the rear differential is Limited Slip or not is a separate option. Limited Slip is not available in the front axle.
end quote.
the base version is not for Dry pavement, and if you make that
mistake, the gears will be very hard to impossible to UN SHIFT
due to driveline gross wind up, just like any jeep, 4wd.
RTM.

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1 Answer

03 z71 4wd not working


Sounds like a 4x4 encoder motor problem.

Mar 19, 2013 | 2003 Chevrolet Chevrolet Tahoe

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How is four wheel drive used on a 1999 durango


Hi Ralph.

I do not own a Durango, but have owned many 4WD vehicles and can offer tips for proper usage.

The "L" and "H" after the 4 and 2 stand for "Low" and "High" ranges. The 2 and 4 stand for the number of wheels that can receive power from the engine and transmission. Most 4WD vehicles only provide power to 1 wheel on each axle (front at rear for a total of just 2 wheels powered) at any given time (but for purposes of discussion, we'll call it 2WD & 4WD, as advertised).

Generally, "2WD" is only offered as a High range and is the same as a "normal" 2WD car or truck. I haven't seen a car or small truck that offers 2L (but I haven't seen a Durango - so I don't know), but generally 2WD traction can be increased easily enough by simply shifting the transmission to a lower gear (From "D" to "2" or "2" to "1", etc.).

4WD is designed to provide additional traction whenever 2WD isn't sufficient. This can be when surfaces are slippery such as sand, mud, snow and ice or, when pulling a heavy load such as a trailer and tires are not gripping the surface well. Shifting from 2WD to 4WD High will provide more traction at the same tire speed. Maximum power from the engine does not come at low RPMs, so in order to get more pulling power from the engine with out increasing speed (or spinning tires), the transmission should shifted into a lower gear. This is especially helpful when pulling a trailer up a wet incline, etc. If 4WD High in 1st gear is still allowing tires to spin or not providing enough pulling power, then shifting the transfer case from 4WD High to 4WD Low will allow the engine speed to increase (providing more power) without increasing the speed of the wheels (reducing the chances of spinning tires).

4WD should never be used while operating on dry pavement. Since tires wear at different rates, and turning left or right slows the inside tire and speeds up the outside tire when compared to the rear tires, a certain amount of slip is required. Wet surfaces provide this necessary amount of slip - as does sand, mud, snow, ice, dirt, gravel, etc. You should take the time to see how each selection of High and Low affects engine speed and vehicle speed and how the surface and any trailer further changes traction. With a little experimentation, you'll see how it works and be able to choose the right range with little thought.

Don't forget to have the transfer case & front differential fluids checked and changed as per the manual. Neglecting this simple service intervals can leave you stranded when you need 4WD and can be very expensive to repair.

I hope this helps & good luck!

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1 Answer

How do I operate the 4x4? It works but I dont know how to put it to use..


okay the truck must be at a stop and shifter in neutral then you can shift into 4wd, this is for snow or wet conditions but more for snow and ice, the 4wd low is for lets say you are stuck in snow or mud this is to get you out its for low speeds only or climbing a hill in mud or snow, not to often is the 4wdlow used.and then 2wd is for all driving conditions, the thing is the 4wd needs some slippery conditions for example driving in 4wd on dry roads puts alot of pressure on the trany drivetrain and the transfer case, the wheels need to slip sometimes to give way in 4wd, hope this helps good day.

Apr 17, 2011 | 1991 Chevrolet S-10

1 Answer

04 Z71


check all fuses to the 4x4 drive there is2-3 you have to look in your maul. or on the cover it self or it could of come unplug from the back of the push button to

Feb 13, 2010 | 1999 Chevrolet Silverado 1500

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04 Z71 4wd problems


can you hear the shifter motor trying 2 shift? if not its the shifter motor open the door and try 2 listen when your trying 2 shift it

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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

2 Answers

2WD OR 4WD? To buy or ot to buy!


On the plus side, 2wd gets better gas mileage, is cheaper to operate over time (no 4x4 transfer case or any 4x4 components to wear out or maintain). With a good set of snow tires and weight in the back, winter traction should be ok. The mileage 63k, is good too. If u live in southern New England, as I do, u can probably get by w/out 4x4.
On the negative side, If you have a job that requires u to be there no matter what the weather, and u live where there's a lot of snow, then maybe 4x4 is really necessary. How many days over the last few winters did you REALLY need 4x4? Around here, I'd say maybe 6 days a year. Do you really need it for 6 days?(or however many for your area). It is great to have when u need it, but u have to justify the extra expense for occasional need.
On a personal note, my 1st truck was 2wd, and I hauled a lot of stuff to the dump when I purchased a run down house. After loading up to overflowing, I got stuck in the yard, and had to unload everything to get out. I swore I'd never own a 2wd truck again. But gas was about 45 cents a gallon then, and now, 2 4x4's later, I avoid driving the truck due to gas prices, (I do plow snow, haul firewood, lumber, etc, buts after all this blah blah blah, I probably have u more confused than ever! GOOD LUCK, and let me know what u decide. countrycurt0

Sep 03, 2008 | 2000 Dodge Dakota Quad Cab

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