Question about 1998 Dodge Ram 1500 4WD

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Front tires wont pull in 4wd

The transefur case workes right it will go into high and low 4wd no noises just front tires wont pull

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  • ironhead167 Jan 23, 2009

    mine pops out at certain speeds i have changed my accuator on the axel, but that didnt help

  • tomcat2272 May 11, 2010

    have you tried to manually lock them in on the hubs? located right in the center on the outside of your wheels.

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You have an actuator on the front axle, check for power or pull out and check for damage. You can also check for proper working while out ,make sure ground is good.

Posted on Jan 17, 2009

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4wd not engaging. Check actuator and seems to working properly. Jacked front end up and and when in 4wd the front tires spin freely. Any suggestions?


Does the driveshaft for the front wheels turn when in 4wd? The actuater might work but the diff lock for the front wheels might have broken. If the front driveshaft does not turn when in 4wd, the transfer case might be the problem.

Jan 02, 2014 | 2008 Chevrolet Silverado 2500HD

1 Answer

2005 Suburban Front End Noise


check for hangings anything hanging may rub on other items and make a noise... you may have bent a rod for the drive section or cracked the case...look for fluid leaking

Mar 05, 2013 | 2005 Chevrolet Suburban

1 Answer

2002 jeep wont stay in 4wheel drive low


Your JEEP is only part time 4WHEEL DRIVE as you can't DRIVE on the STREET with it, its NORMAL and nothing is WRONG.


Part-Time and Full-Time 4x4 systems...

A part-time 4x4 system called Commandtrac is in all Wranglers together with low-end Cherokees and Liberties. A part-time 4x4 system locks the front and rear driveshafts together inside the transfer case so they drive the front and rear axles together in lock step. Because they are locked together, the front and rear tires must rotate at the exact same rpms. However, the front tires must rotate faster than the rear tires during any turn so a part-time system fights that... which makes a part-time system inappropriate on a paved road because the high level of traction on a paved road prevents the tires from slipping which would otherwise allow the front and rear tires to grudgingly rotate at different rpms. Offroad this is not a problem since the poor traction of an offroad trail allows the tires to slip as needed. But when they try to slip/rotate at different rpms on a high-traction surface, the entire drivetrain is stressed which is bad for it. This problem is called "wind-up".

In reality however, the front and rear axles really don't even turn exactly the same RPMs when you're in 4wd so you still get "wind-up" if you drove in 4wd on the street even if you drove in a perfectly straight line. Why? Because 1) you can't drive in a perfectly straight line and 2) the front and rear axle ratios are usually .01 different from each other. Like a 3.73 and 3.74, 4.10/4.11, etc.. Why the .01 ratio difference between the front and rear axles? Because the front and rear axles usually have different ring gear diameters which makes it nearly impossible for the gear manufacturers to economically make the front and rear axle ratios exactly the same. And no, they are not made .01 different on purpose to make the front or rear pull more when in 4wd, that is an old wive's tale.

Finally, a full-time 4x4 system like Selectrac is available on Grand Cherokees, Cherokees and Libertys couples the front and rear axles together, but they are not mechanically locked together like they are with a part-time 4wd system. The front-to-rear axle coupling can be done via either a differential like the Selectrac system uses (just just like what is in the center of an "open" axle) or a fluid (viscous) coupler. The benefit to a full-time 4wd system is that because the front and rear axles are not mechanically locked together, the front and rear tires/axles can rotate at different rpms from each other. This allows a vehicle with a full-time 4wd system to drive in 4wd "full time" on a paved road without problem since there is no 'wind-up' problem to harm the drivetrain. You cannot get a full-time 4x4 system in a Wrangler from the factory.



HOPE THIS HELPS.

Sep 08, 2012 | 2002 Jeep Wrangler

1 Answer

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!

Aug 24, 2012 | 1999 Dodge Durango

1 Answer

How do I know if my 4WD is working overtime in my vehicle? Everyone keeps telling me to drive in 2WD while riding in the city but I don't see an option for 2WD, My gear shift only reads: 4WD hi, Neutral,...


The transfer case in your Jeep has what's called a viscous coupler inside of it. Though you physically put it in 4 high, it does not operate the front wheels unless the rear wheels begin to slip. Therefore, driving on dry roads, you actually are only using the two rear wheels.
On direct engagement transfer cases, you would need to physically select 4wd. Those shouldn't be driven on dry roads extensively.
So, your friends are correct, pertaining to most 4x4"s but not yours (I don't know for sure if any other 4x4's use that system except for Land Rover).
One thing you need to know about yours is that you MUST always have the same exact tires on all four corners.... Size, brand and age. (rolling circumference) If you don't it will fool the transfer case into thinking a wheel is slipping and that will cause the coupler to fail, because it will stay engaged when it's not needed and overheat.
4 low is only used when in very deep snow or pulling a heavy load. Max speed in 4 low is about 15mph.

Feb 15, 2011 | 1995 Jeep Grand Cherokee

1 Answer

4wd problem?


This is common in GM trucks since they started adding 'Autotrak' push button 4WD. I would drain and purge the transfer case fluid and replace with new. There should be drain and fill plugs. But it sounds like you might have a stripped gear. Might be a trip to the shop just to be safe.

Jan 05, 2009 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

No 4wd high range


checkunder the battery pan there is a bellows type of thing acid got on mine and ate the connection up i replaced this unit and 4wd worked by the way u only have 2wd low the transfer case has shifted the the trannie output to low range rear tires will spin not the front the cable that broke shifts a fork in the front pig 2 get the front wheeles engauged not a master tech it happened to me bout 4 years ago

Dec 01, 2008 | 1995 Chevrolet Blazer

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