Vibración en mi KJ 2003

[eco27]

Hello, I'm new to the forum, greetings from Chile. I have a 2003 KJ, 3.7, very good Jeep. I need your help, my jeep present a problem between 40 mph and 50 mph begins a vibration, lasts a few seconds and disappears, which can be ?, thanks.

 

[wheeee32]

Without knowing anything else I'd take a stab at the wheels being out of balance or something driveshaft related.

 

[tommudd]

Hello, I'm new to the forum, greetings from Chile. I have a 2003 KJ, 3.7, very good Jeep. I need your help, my jeep present a problem between 40 mph and 50 mph begins a vibration, lasts a few seconds and disappears, which can be ?, thanks.

Check rear CV on front driveshaft, boot drys up falls apart and dirt gets into the CV, then also rear u-joints
If both good then also ( if not tires since I assume that is one of the first things you would of checked ) then could also be the intermediate shaft on the right side starting to go bad

 

[eco27]

They reviewed all axes, gimbal, tire balancing, brakes good, new tires, new shocks, an additional fact is that revolutions vary slightly when is between 40 mph and 50 mph, this happens with or without vibration and also is more noticeable when the engine is cold or a little used, with much use vibration is little and sometimes nothing.

 

[eco27]

Dear, I still have the problem, I check everything, just a passenger side rear axle bearing wrong was found, was changed, but still igua, and also added that revolutions vary slightly.

your help is appreciated.

 

[HoosierJeeper]

Do you feel it in the steering wheel?

 

[eco27]

No, only in the rear.

 

[ltd02]

Is this a 4wd? If so I'm still with Tom in post #3. Did they look real careful at those front driveshaft CVs? That boot on the tcase end is recessed and real hard to tell if it is cracked and drying up.

 

[eco27]

If 4wd, could you give me more information.

 

[dude1116]

Check the temperature of the U-joints after a drive. If hot, replace them. I had the same symptoms when my U-joints were frozen from one way of motion.

 

[eco27]

You could tell me what the U-joints, a drawing or photograph, to be sure, as you may find llamenos other name, thank you.

 

[dude1116]

You could tell me what the U-joints, a drawing or photograph, to be sure, as you may find llamenos other name, thank you.

A u-joint is the part that keeps the drive shaft and the yokes (which connect to the transfer case and the differential on our Jeep) together and able to move 360 degrees.

You must be registered for see images attach

This is what the part looks like:

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[eco27]

Here we know as crossarms, and were reviewed and are OK.

 

[dude1116]

It could be torque converter shudder. How often do you service your transmission? Has the right ATF+4 always been used?

 

[eco27]

torque converter to change 110,000 KM. , the body solenoid to change solenoid 160,000 KM. are change oil and filter, all mopar.

 

[eco27]

Also I have the following problem, see the video, it's a noise that I have a few months ago, it is sometimes more noticeable and others not, it can be? It is like a pish pish ... pish ... ... something.


https://www.youtube.com/watch?v=Lr6iylrIspI

Thank you