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2005 Kia Rio front end making grinding noise


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zipps
New User

Sep 27, 2011, 3:44 PM

Post #1 of 5 (3252 views)
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2005 Kia Rio front end making grinding noise Sign In

2005
Kia
Rio
1.6 L
53k miles

When driving (forward or reverse) there is a grinding noise coming from the front driver side of my car. I have searched online for possible sources of this noise and have seen bearings and CV joints mentioned as possible causes. I have done the following to try to troubleshoot:

1. Put the front driver side up on a jack, put in 1st gear (and drive, and reverse): grinding noise still present
2. Front driver side still up on a jack, remove the wheel, put in 1st gear (and drive, and reverse): no grinding noise
3. Move jack to passenger side and jack up the front, put in 1st gear (and drive, and reverse): grinding noise still present on driver's side (seemingly near where the transmission and differential are located)

I am not very knowledgeable about cars, but here are my guesses from the above information:
-Probably not bearings due to #3
-Probably not just one CV joint due to #1 and 3 (both being bad is still a possibility; the transmission is over on the driver's side, so the passenger CV joint extends onto that side as well)

Are those guesses reasonable? Could it be my differential or transmission causing the noise?

Does anyone know if this model's differential is lubricated by shared transmission fluid?


(This post was edited by zipps on Sep 27, 2011, 3:46 PM)


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Sep 27, 2011, 5:20 PM

Post #2 of 5 (3216 views)
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Re: 2005 Kia Rio front end making grinding noise [In reply to] Sign In

#1 - PUT ALL DRIVE WHEELS UP IF YOU ARE GOING TO PUT IT IN GEAR, RUNNING! YOU JUST NEVER KNOW IF POWER WILL GO TO THE OTHER IF TWO WHEEL DRIVE OR WHAT AND HAVE DISASTER ON YOUR HANDS.

2. CV joints USUALLY crackle at first when turning and may be silent straight ahead.

3. My guess is a wheel bearing or brake issue. Typical for a wheel bearing is they are worse when turning and may take the weight of the vehicle to expose themselves. Arggh - sometimes when not too bad you don't know for sure till you have it out and feel it in your hands.

Hey - If you aren't finding the source get some help as it's too potentially dangerous,

T
_________________________________________
Long retired now


zipps
New User

Sep 27, 2011, 7:12 PM

Post #3 of 5 (3202 views)
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Re: 2005 Kia Rio front end making grinding noise [In reply to] Sign In

Thank you for the advice!

The reason I had one front tire on the ground while troubleshooting was to keep it from moving while the other spun freely. When the passenger side wheel spun freely while the drivers side wheel didn't move the grinding noise still occurred on the driver's side (near the transmission as far as I could tell). Given that I don't understand how it could be wheel bearings.

A couple hours ago I emptied the transmission fluid and checked for bits of metal but found none, so I guess that is a good sign.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 27, 2011, 7:53 PM

Post #4 of 5 (3195 views)
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Re: 2005 Kia Rio front end making grinding noise [In reply to] Sign In

When you do that you are engaging the spider gears which do not engage when going straight ahead which creates a whole new set of noises.




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zipps
New User

Sep 29, 2011, 2:59 PM

Post #5 of 5 (3141 views)
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Re: 2005 Kia Rio front end making grinding noise [In reply to] Sign In

Ok, thanks for that information. I am going to have to take it in to have it diagnosed since I am unable to identify the problem.




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