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post #1 of 6 (permalink) Old 07-26-2019, 05:43 AM Thread Starter
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front wheel bearing noise

I have been living with a noisy muffler, trying to find the time (and weather) to replace it when I noticed an increase in noise at higher speeds. When I gently turn to the right, it decreases a bit. I assume it is the right front wheel bearing, probably from hitting so many critters lately.

First one I have had to replace on these cars, and it looks like it needs to be pressed out and new one pressed in. Just wondering since I don't have a press if It is worth it to pick up a used steering knuckle and replace the whole assembly. I know that it would be a used bearing and I am taking a chance of installing one that is potentially worn, but it would be a bit easier than tearing it apart and finding someone with a press, etc. any thoughts??

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post #2 of 6 (permalink) Old 07-26-2019, 05:51 AM
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First thing I'd say is actually make sure it's the front. I thought my front bearings were going then it turned out that I was actually hearing the rear bearings.

If it does turn out to be the fronts, I'd say take the path of cheapest resistance. You can get a press for cheap at harbor freight or probably even on Craigslist/Facebook. I also have a local mechanic that installs bearings at $50/wheel if you bring your own parts.

A used steering knuckle also works, but you run the risk that you may end up needing a new bearing sooner.
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post #3 of 6 (permalink) Old 07-26-2019, 06:02 AM Thread Starter
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Usually the rears take more of a swerve to quiet them down and this takes just a slight movement to quiet it so I think it is a front one. tough to tell with such a short wheelbase. For now I parked it and waiting for the weather to give me a chance to work on it. (enough rain for a while cripes!!)
with all the creatures I have hit with the front end, I am thinking it has taken it's toll on the front wheels.
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post #4 of 6 (permalink) Old 07-26-2019, 08:29 AM
 
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I found a video on 450 front wheel bearing replacement. Not sure if it's similar on 451 though.
https://youtu.be/KcaFf7vsIpk
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post #5 of 6 (permalink) Old 07-26-2019, 08:59 AM
 
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https://youtu.be/1QPDcVuZkvo

Front wheel bearing replacement on a 451 smart car. A man and his big hammer. I would replace the shock strut too.

Red neck method......

https://youtu.be/ceGUtZ8dwvY

Last edited by smark; 07-26-2019 at 09:26 AM.
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post #6 of 6 (permalink) Old 07-26-2019, 09:25 PM Thread Starter
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I just put new shocks and springs in about a month ago, as well as replacing the upper pivots and the sway bar links. It should come apart fairly easy..
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