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12-13-2009, 01:01 AM
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#1
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jackass of all trades
Join Date: Feb 2004
Location: Kennedy Heights
Age: 45
Posts: 1,104
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Infamous B5 A4 wheel bearings...
Car = 98 B5 A4 1.8t quattro 5spd.
I know I have at least one wheel bearing going out because it makes a humming noise that increases in frequency and volume with vehicle speed. I *think* it's both of my rear bearings. I had the car on a lift yesterday and both rear wheels spun freely but with a very very very slight noise compared to the front. There wasn't any up/down or lateral play when yanking on the wheels that I typically see on Hondas with bad wheel bearings.
Is there a better way to diagnose this issue a little bit more definitively?
Should I just buy both rears and do both at same time to be safe?
Both fronts too?
thanks in advance!
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12-13-2009, 01:53 AM
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#2
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Wheel Man
Join Date: Sep 2004
Location: Silverthorne, CO
Age: 46
Posts: 998
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Mine are the same Dave, you are better off doing both rears, I will be doing mine in a week or two...
they shut up about 80-95 mph though.. just sayin...
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01 wj, lifted and locked.
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12-13-2009, 03:14 AM
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#3
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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Dave, I ALWAYS replace suspension parts in pairs UNLESS they are from crash damage.
Would you replace brake pads on only one side????
Axles, Wheel Bearings, Rotors, etc.
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12-13-2009, 03:28 AM
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#4
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CSS Rep King
Join Date: Nov 2005
Location: Mason
Age: 36
Posts: 7,078
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If you have access to a set of chassis ears, they make wheel bearing diagnosis much easier...
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12-13-2009, 05:45 AM
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#5
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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WTF are chassis ears???
Why do I picture Mike running around with bigwoofersnet on his shoulders here?
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12-13-2009, 09:25 AM
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#6
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THE SHOW STOPPER
Join Date: Oct 2003
Location: INDIANA
Age: 51
Posts: 1,799
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dang you should of asked me yesterday
all the knowledge around you & you jumped on css? lol
anyway i have done quite a few of these lil turds & the rears are 90% usually the problem, replace them in pairs.
just stay away from Vato-Zone bearings
Rob
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12-13-2009, 09:30 AM
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#7
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THE SHOW STOPPER
Join Date: Oct 2003
Location: INDIANA
Age: 51
Posts: 1,799
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Quote:
Originally Posted by Mista Bone
WTF are chassis ears???
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why do i feel like were on the tv show family feud.
anyway "chassis ears" are exactly what they sound like,
they are smalll ears with probe like wires that plug into a headset therfore detecting noises from different areas of the chassis.
example: if you have 4 probes pluged in put 1 probe on each shock & then go for a drive with your headset on & wait for your niose to sound & then you can moniter each probe to determine where the sound is coming from..
I thing your local Sprint store will carry the head sets & Ford had the Probe. |
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12-13-2009, 09:02 PM
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#8
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CSS Rep King
Join Date: Nov 2005
Location: Mason
Age: 36
Posts: 7,078
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Clip to schock or anything that doesn't spin, plug into switch box, put on headphones, and listen for noises... |
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12-13-2009, 09:04 PM
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#9
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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Ah, just fancy a stethoscope of sorts.
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12-13-2009, 09:14 PM
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#10
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CSS Rep King
Join Date: Nov 2005
Location: Mason
Age: 36
Posts: 7,078
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Yes, but it allows you to listen while driving the car at the same time.
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12-13-2009, 09:17 PM
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#11
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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Yes, I understand that part....one of those "oh shit, killer idea" which helps when customer is always bitching about little noises and such.
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12-13-2009, 09:20 PM
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#12
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CSS Rep King
Join Date: Nov 2005
Location: Mason
Age: 36
Posts: 7,078
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Quote:
Originally Posted by Mista Bone
Yes, I understand that part....one of those "oh shit, killer idea" which helps when customer is always bitching about little noises and such.
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Which is exactly what I used it for lol. Customer had a Galant making "noises" that no one else heard. Mitsubishi said to replace the wheel bearing because they kept complaining, but we had no idea which one to replace. Hooked up the chassis ears and STILL couldn't tell, so we just picked one. |
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12-13-2009, 09:33 PM
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#13
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Im just playin.
Join Date: Jul 2006
Location: Sl,Ut
Age: 39
Posts: 2,236
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Dave, i work in audi parts call me at the audi connection and I'll take care of you. I know they are like 86 bucks a side retail but I will see what's the best I can do since you'll want to do both./
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12-15-2009, 05:03 PM
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#14
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Administrator
Join Date: Oct 2003
Location: Cincy
Age: 39
Posts: 1,827
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I just did my a few weeks ago. It took a weekend and I had to buy a shop press to remove the old bearing and press in the new one. To determine what side it was, I used two scientific methods
1. Had someone sit in the back seat and slide back and forth to see what side was the loudest
2. Listened while turning hard. If it gets louder when you are turning right, it is on the driver's side. Turning left, passenger side.
I found this write up and it made it a lot easier - http://audiworld.com/tech/wheel45.shtml
charlie
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