Question about 1992 Jeep Wrangler

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Front end pops in and out of fourwheel drive

I will be driving down the road in fourwheel drive and it keeps poping out of fourwheel drive, if I stop it will go back into fourwheel drive and it just keeps doing this

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  • Anonymous Dec 15, 2008

    Same problem and going in for second round of repairs. Sensors and vacuum have already been replaced but started up again this year with the first round of snow.



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Check for leaks in the vacuum, Jeep used a vacuum switch for the front axle during that time on the dana 30, it may have a leak or just worn where its not fully engaging and lockign all the way. It may not be holding the air as well to keep it engaged. Its a small tube.

Posted on Dec 19, 2008


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Fourwheel drive locks in but when the first resitance the front starts popping. even just driving on flat smooth surface if you turn the wheel left or right something in front differential pops.

After a real serious visual inspection...
& after the vehicle is jacked up and totally secure... try wiggling the wheels by yourself... No play at every joint is what you are looking for... (but keep in mind these thing do tend to fail in pairs).

Still seeing nothing wrong...

Draft a buddy & both of you push those front wheels in opposing directions...
keeping an eye on ALL your U-Joints and/or CV-Joints...

CV = "constant velocity"

That popping is coming from at LEAST one of those.

Still seeing nothing ... get out the manual... for cleaning & repacking your front steering knuckles (also identify the necessary LUBRICANT & necessary torque settings)... in the process you are going to find something SERIOUSLY out of round...

Look closely If any of those bolts are Allen or Torx so your
job does not get stopped for a missing wrench.

You can get a really good idea for parts costs... from ROCKAUTO.

Popping is the last sound before BANGING & smashing...

Hope this is helpful.

Happy hunting!

RockAuto Parts Catalog

Jan 09, 2016 | Cars & Trucks

1 Answer

Popping noises

This is normally a sign of a leaking exhaust valve, it is too tight. the popping is unburned fuel leaking into the exhaust and then exploding with the exhaust from the next firing, sorry but a big job
Merry Christmas

Dec 14, 2013 | GMC Cars & Trucks

1 Answer

What gear should i drive my all 4wd 1995 jeep cherokee in on dry roads with a speed of 70mph??

if its all wheel drive and you cant take it out of fourwheel drive then it was set up from the factory like that and is fine. if you can take out of fourwheel drive then you should.

Dec 15, 2012 | 1995 Jeep Grand Cherokee

1 Answer

I have a 98 Explorer XLT with the 4.0 SOHC. Going down the road the front end started to grind and then go away after a few seconds. I pullend the front tires off and found nothing wrong with the brake...

check your hubb assimbly.put your truck on a jack and move the tire if there is play your hubb is done need new ones.also check your breaks.

Sep 08, 2011 | 1998 Ford Explorer

1 Answer

When I started to drive I was making a hard right from a stop and I started moving but I heard a pop and the stuck like shuck. Then I drove to end of the development and when I stoped at the stop sign and...

depends on where you hear the noise.. could be a brake caliper sticking or a universal joint going out or has went out in the drive shaft. while driving does it make the noise constantly or just when taking off?

Dec 24, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

When going down the road when you cut the wheel to left or right the poping nosie you can feel it in the steering wheel how do i need to fix this

I am assuming it is a front wheel drive vehicle? If it is the problem is probably the CV joint on one side or both, is it a clicking or popping noise?

Nov 30, 2010 | Chevrolet Silverado 2500HD Cars & Trucks

1 Answer

Fourwheel drive works but when i take out of fourwheel drive i have a howling noise in front end but when i put it back in fourwheel drive it goes away

There is a TSB for replacing the IWE ( Integrated Wheel Ends ) solenoid, as the 1st design can ingest water and introduce it to the IWEs, causing low vacuum, and the gears for the IWE are grinding.

To cure this until you get the new IWE solenoid ordered and installed, pull the vacuum lines from the IWEs and plug them. This will leave the IWE gears engaged, so they are not trying round off the teeth.

There are 2 lines to the IWE, 1 is the vacuum line, the other is a vent line, that routes into the engine compartment, with an open end, make sure you pull and plug the correct line.

This will have the front hubs engaged to a dead axle, so it will decrease mpg, and you will feel a bit of loss of power, but better than ruining a set of IWEs that will cost ~500.00 to replace.

Jan 09, 2010 | 2005 Ford F-150

1 Answer

4x4 problems

probably a leak in the vacuum line. same thing happened to me

Apr 15, 2009 | 1999 Dodge Ram

1 Answer

Loud poping in front of the Bravada(1993) when making a slow / tight turn. This car has all wheel drive.

they have had some problems with the drive shaft from the transmission to front diff i usually remove it on a flat surface and road test if noise is gone repair or replace shaft

Oct 21, 2008 | 1993 Oldsmobile Bravada

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