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Topic: Front wheel hub bent?

in Forum: C3 Handling Components


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Front wheel hub bent? (1/2)
 8/11/15 10:40pm
apd 628
Former Member

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Joined: 6/25/2015
Posts: 4

I kept noticing a tire chirp or squealing noise coming from the front of my 1981 model, when I was just driving along normally, not aggressive driving at all.  I have a pearl white car, and after every drive, I kept getting some dark oily deposits along the driver door.
Curiosity got the best of me. and I put the car up on jacks stands at all four corners.  I pulled all four wheels and tires, much to my surprise, both tires were about worn clean out on the inner third of the tires, BF Goodrich T/A Radials, that were installed prior to me obtaining the car a few months ago ( I have put less than 1,000 miles on the car).
 
I had a new set of brake pads for the car, and while inspecting the rotors to determine if I needed to have them resurfaced or buy new ones, the front left rotor was ruined, it had a giant gouge on the inside of the rotor, close to the hub.
 
I pulled that rotor, and installed a new one while I was installing the new brake pads, the other three rotors were fine.
 
I got a new rotor for the front left wheel, installed it (new bearing set) I ran a few lug nuts down to secure the rotor so I could install the caliper and new brake pads. 
 
I gave the new rotor a whirl to double check my install of it to the hub, and found that my brand new rotor was spinning around way out of true. Lots more than .002-.004.  I do not have a dial indicator, but that thing is seriously out of whack.
I have a new rotor, is my hub bent?
 
Guy I bought it from had a rebuild effected on the front suspension and supposedly got it aligned and new tires installed on the front.
 
The car does not drift, shimmy or wobble, goes down the road fine.   
 
Update: 08-11-15
 
Previous wheel alignment was way off, both front tires worn heavily in inner third of tires. Chirping noise was tire not tracking correctly.
Finally, I did not do a good enough job getting the rest of the rivets material removed from the mating surface of the rotor and the hub, causing the rotor to "wobble".
 
 
 

|UPDATED|8/11/2015 7:40:12 PM (AZT)|/UPDATED|
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Re: Front wheel hub bent? (2/2)
 8/12/15 10:24am
kstyerLifetime Member
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CUYAHOGA FALLS, OH - USA

Vette(s):
1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!


Joined: 12/2/2003
Posts: 6424

If the spindle was bent it would not cause the wobble. Even bent it is in a fixed position. The bearing and hub would not line up and wear out very quickly, but not wobble. The wobble could be a rotor mounted wrong or with debris between the rotor and hub. It could also be a bent hub. Remove the rotor and spin the hub. Hold anything that you can hold still next to the hub, and you can see warpage as it spins. If you want an exact measurement, turn the hub a small amount at a time and use feeler gauges between the hub and your solid unmoving item. Not a dial indicator, but can be made to work in a pinch.

|UPDATED|8/12/2015 7:24:53 AM (AZT)|/UPDATED|
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