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Old 04-12-2013, 06:44 PM   #1
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First off want to say hi as this is my first post but I have read several others and everyone here is very helpful and easy to understand. Now, I have a 08 GMC sierra z71 and it has been a great truck. The other day on my way home as I entered a gradual right turn, I heard a loud griding noise. You should know that I am NOT a mechanic And vehicle maintenance escapes me other than the basics. When I heard the noise, I got home and parked the truck. I started searching the internet for answers and found you guys. Based on other threads, I've learned it could be the hub ***'y. My first question is how do I find out for sure what the problem is, and since I am currently working out of town, how long can I drive it before it becomes dangerous, and finally any and all advice on a fix would be GREATLY appreciated. Thanks guys and I look forward to hearing what y'all think.
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Old 04-12-2013, 07:05 PM   #2
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Pattycake,

Welcome to the forum. Others much smarter than me will chime in shortly.

How many miles on your 08 Sierra? The first thing that comes to my mind is a worn brake pad. May only start to show during a turn. Any noise when braking?

Hubs will cause noise problems typically at different speeds, not typically during hard turns (in my experience- I have replaced about 6 of them on GM vehicles).

Post any more information you can, lets find out why the noise is happening and what the fix is.
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Old 04-12-2013, 08:49 PM   #3
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Let'* also rule out the simple possibility something like a stick might be in the wheel well rubbing the wheel as you turn.
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Old 04-12-2013, 10:04 PM   #4
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Quote:
Originally Posted by GunsOfNavarone View Post
Pattycake,

Welcome to the forum. Others much smarter than me will chime in shortly.

How many miles on your 08 Sierra? The first thing that comes to my mind is a worn brake pad. May only start to show during a turn. Any noise when braking?

Hubs will cause noise problems typically at different speeds, not typically during hard turns (in my experience- I have replaced about 6 of them on GM vehicles).

Post any more information you can, lets find out why the noise is happening and what the fix is.
I have 80000 miles and have not had a problem since I bought it a year ago. The noise is more metal on metal and only happens on right turns. The steering is fine, don't feel any pull or anything and the brakes seem fine. I actually thought I imagined the noise because there was no indication of any problems. Should I try to grease the bearings. Is it safe to drive?
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Old 04-12-2013, 10:05 PM   #5
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Originally Posted by Mike1995 View Post
Let'* also rule out the simple possibility something like a stick might be in the wheel well rubbing the wheel as you turn.
I have visually inspected both front wheels and while I'm not a mechanic, I didn't see anything out of the ordinary.
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Old 04-12-2013, 10:23 PM   #6
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wether its safe or not is really hard to say. i wouldnt let it go too long
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Old 04-12-2013, 10:28 PM   #7
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wether its safe or not is really hard to say. i wouldnt let it go too long
Problem is that being out of town, I have two choices. Either risk it on the highway-2 hour drive home, or try to fix it myself. Since I can't feel anything in the steering or brakes, I'm hoping it might be minor.
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Old 04-12-2013, 10:42 PM   #8
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i obviously cant suggest anything over the internet, but every gm i even had made the noise for at least a few weeks until i could get the bearings from rock auto or amazon. if you just started hearing it i dont think i would worry about it till i got home
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Old 04-12-2013, 10:47 PM   #9
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i obviously cant suggest anything over the internet, but every gm i even had made the noise for at least a few weeks until i could get the bearings from rock auto or amazon. if you just started hearing it i dont think i would worry about it till i got home
I thank you very much for the advice
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Old 04-13-2013, 06:35 PM   #10
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I agree you are probably okay for a 2 hour ride home.

Since the noise comes when you turn left, if it is a problem with a bearing the bad bearing will be the front right one. A left turn puts the most pressure on the right front bearing. Can you tell if the noise is coming from the right front? By the way, driver side is always left side of vehicle, and passenger side is always right side of vehicle.
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