Grinding noise and flashing lights are bad right?

sofakingtired · **Joined:** Sun Jun 05, 2011 7:33 am **Posts:** 7

My Libby is making a grinding noise from the front end. :furious:

It is associated with the tire speed. (whomp whomp whomp at low speeds, sounds almost constant at 30+) Kinda like a wheel bearing (but it's not) and I recently replaced the drivers cv shaft assy... PLUS the part time like flickers and flashes occasionally or just comes on briefly at highway speeds.. Any ideas? Suggestions? SA comments? Thanks.

bwtucker · **Posted:** Thu Feb 09, 2012 4:04 pm

As far as the light is concerned, the switches in the transfer case are known to stick and cause the light to either stay on or flicker.

What kind of tires are you running and how old are they?

tommudd · **Posted:** Thu Feb 09, 2012 4:52 pm

How was the intermediate shaft when you replaced the right side CV?
Have you checked the rear boot on the front driveshaft?

ls6jay · **Posted:** Thu Feb 09, 2012 9:21 pm

I have similar problem.

sofakingtired · **Joined:** Sun Jun 05, 2011 7:33 am **Posts:** 7

bwtucker wrote:

As far as the light is concerned, the switches in the transfer case are known to stick and cause the light to either stay on or flicker.

What kind of tires are you running and how old are they?

The tires are 245/75/16 new cooper at's. And I'm running 1inch wheel spacers.

tommudd wrote:

How was the intermediate shaft when you replaced the right side CV?
Have you checked the rear boot on the front driveshaft?

When i replaced the drivers cv assy i didnt notice anything that looked fubar... But Intermediate shaft? And no I have not checked the d/s boots but i will tomorrow.

bwtucker · **Posted:** Sat Feb 11, 2012 2:42 pm

Ahh, I doubt it's the tires then. I had cooper STT's that made noise once they wore down but new AT's should be quiet.

fortx4 KJ · **Posted:** Sun Feb 12, 2012 2:01 pm

I got similar issues. As i go from 30-70 the passenger side front starts to shake and rattle like crazy. Is this common? I got a 04 sport.

sofakingtired · **Joined:** Sun Jun 05, 2011 7:33 am **Posts:** 7

fortx4 KJ wrote:

I got similar issues. As i go from 30-70 the passenger side front starts to shake and rattle like crazy. Is this common? I got a 04 sport.

Shaking and Rattling is bad, I would check upper and lower ball joints and wheel bearings. from what I understand those things can cause the issues your having, and their failure can be catastrophic. Good luck

fortx4 KJ · **Posted:** Wed Feb 22, 2012 5:19 pm

All the ball joints are tight with no play. Could it be a tie rod? It feels like after i turn the front end is binding. Could the intermediate shaft and bearings be out?

tommudd · **Posted:** Wed Feb 22, 2012 5:55 pm

When the Intermediate shaft goes bad it starts with a low rumble like and some vibration, the more it wears the louder it gets, lasts longer and vibration is much worse
Both CV and Intermediate shaft must be replaced at the same time

Grinding noise and flashing lights are bad right?

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