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Jared D
Jared D, ASE Certified Technician
Category: Jeep
Satisfied Customers: 1600
Experience:  Shop Supervisor at County Fleet
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I have an 04 jeep grand cherokee and it started making a

Customer Question

Hello I have an 04 jeep grand cherokee and it started making a loud whining noise this morning what could it be
Submitted: 1 year ago.
Category: Jeep
Expert:  Jared D replied 1 year ago.

Hi,

Noises are tough to diagnose remotely, but let's see if we can sort it out:

Did the noise go away after the engine was running for a little bit?

If you turn the steering wheel does the noise change?

Any fluid leaks or other symptoms?

Customer: replied 1 year ago.
It's goes away but comes and goes when it runs for a little. It gets quite when the wheel is turned and no fluids or other symptoms
Expert:  Jared D replied 1 year ago.

It's possible that the serpentine belt is loose and causing a screetch. Do you feel comfortable checking the belt tightness? With the engine off (of course) you should be able to grab the serpentine belt anywhere that it spans between two pulleys and move the belt back and forth. If it has more than 1/2 inch of wiggle then the belt is too loose.

Customer: replied 1 year ago.
If it's too loose it's the tensioner?
Expert:  Jared D replied 1 year ago.

Yes, most likely. There is a spring inside the tensioner that can wear out and cause the belt to be too lose. The belt it self can also stretch out and get loose as it wears, so you will want to check the belt for signs of wear also.

Expert:  Jared D replied 1 year ago.

I just wanted to see if you need any additional assistance.

If you are ready, please don't forget to rate. They don't pay us if we don't get a positive rating.

Expert:  Jared D replied 1 year ago.

Please don't forget to rate.

Expert:  Jared D replied 1 year ago.

Please don't forget to rate. We don't get paid if we don't get a positive rating.