Monday, November 21, 2011

alt.autos.nissan - 4 new messages in 1 topic - digest

alt.autos.nissan
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Today's topics:

* Tire noise - 4 messages, 3 authors
http://groups.google.com/group/alt.autos.nissan/t/82a2260b56da8f70?hl=en

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TOPIC: Tire noise
http://groups.google.com/group/alt.autos.nissan/t/82a2260b56da8f70?hl=en
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== 1 of 4 ==
Date: Sat, Nov 19 2011 5:47 pm
From: willshak


nucleus wrote the following:
> Can rubber in tire treads have "soft spots" that wear faster than
> adjacent
> rubber, thereby causing cupping? I replaced all four struts and tires
> 13K
> miles ago and now have cupping so severe that there is major road
> noise,
> which is significant because this 94 Sentra does not have the
> soundproofing
> that newer automobiles have.
>
> Apparently, I am not the only one with tire noise; I periodically
> hear
> automobiles going down the street with that same kind of tire noise.


When did you last have the wheels aligned?

--

Bill
In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @


== 2 of 4 ==
Date: Sun, Nov 20 2011 4:40 am
From: nucleus


Can you explain how minor changes in caster and camber, might
eliminate cupping?

> When did you last have the wheels aligned?
> Bill
> In Hamptonburgh, NY
> In the original Orange County. Est. 1683
> To email, remove the double zeroes after @

== 3 of 4 ==
Date: Sun, Nov 20 2011 6:33 am
From: willshak


nucleus wrote the following:
> Can you explain how minor changes in caster and camber, might
> eliminate cupping?

The caster and camber adjustments may not help, but they might know, or
find out, what is causing the cupping.
Probably better than we here could answer without having the car at hand.


>
>> When did you last have the wheels aligned?
>> Bill
>> In Hamptonburgh, NY
>> In the original Orange County. Est. 1683
>> To email, remove the double zeroes after @
>


--

Bill
In Hamptonburgh, NY
In the original Orange County. Est. 1683
To email, remove the double zeroes after @


== 4 of 4 ==
Date: Sun, Nov 20 2011 11:08 am
From: John Henderson


nucleus wrote:

> Can rubber in tire treads have "soft spots" that wear faster than
> adjacent rubber, thereby causing cupping? I replaced all four
> struts and tires 13K miles ago and now have cupping so severe
> that there is major road noise, which is significant because this
> 94 Sentra does not have the soundproofing that newer
> automobiles have.

I've never had tyre cupping on my Nissan Pulsar (the Australian
name for your Sentra). But I did have severe cupping on my other
vehicle (a VW Transporter).

Right from new, it developed severe cupping and chunking on the
nearside rear tyre only. The Transporter is also front-drive.
Rotating the tyres saw the problem always reappear at that
position.

That was 15 years ago. The vehicle is still in use, and I've had
no problems since the original tyres (Kleber brand) were
replaced. The vehicle has never had or needed a wheel alignment.

John


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