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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / July 2007

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Squeaky noise while driving

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nealkendrick - 13 May 2007 01:48 GMT
1997 Honda Civic. Brakes changed approximately six months ago. Just
noticed the problem two days ago.

Symptoms:
When travelling straight or turning right without the brakes applied,
there is a (rather loud and noticeable) repeated grinding / squeaking
noise coming from the front passenger wheel area.

The frequency of the noise increases directly proportional to speed.

When turning left, the noise seems to go away, or is greatly muffled.

When the brakes are applied, the noise seems to go away or is greatly
muffled.

When travelling in reverse with or without the brakes applied, the
noise is nonexistent I haven't tested this symptom thoroughly, but
this appears to be the case)

Thoughts?
Tegger - 14 May 2007 14:48 GMT
nealkendrick <nealkendrick@juno.com> wrote in news:1179017322.885742.106220
@h2g2000hsg.googlegroups.com:

> 1997 Honda Civic. Brakes changed approximately six months ago. Just
> noticed the problem two days ago.
[quoted text clipped - 16 lines]
>
> Thoughts?

1) Pad slide shims rubbing against rotor perimeter (can be due to rust on
rotor or to bent tabs on shims)
2) Other brake parts contacting rotor
3) Aftermarket pads

Pull assembly apart and look for shiny surfaces indicating contact while in
motion, if none, replace pads with OEM.

Signature

Tegger

John S. - 14 May 2007 15:00 GMT
> 1997 Honda Civic. Brakes changed approximately six months ago. Just
> noticed the problem two days ago.
[quoted text clipped - 16 lines]
>
> Thoughts?

Since the noise appears to be rotational and happens in a variety of
situations including when the car is under power and brakes are not
applied I would also check the cv joints.
Don - 15 May 2007 03:37 GMT
>> 1997 Honda Civic. Brakes changed approximately six months ago. Just
>> noticed the problem two days ago.
[quoted text clipped - 20 lines]
>situations including when the car is under power and brakes are not
>applied I would also check the cv joints.

I wouldn't.  I would have first found the problem with the crappy
brake job.

Don
www.donsautomotive.com
John S. - 15 May 2007 12:42 GMT
> >> 1997 Honda Civic. Brakes changed approximately six months ago. Just
> >> noticed the problem two days ago.
[quoted text clipped - 23 lines]
> I wouldn't.  I would have first found the problem with the crappy
> brake job.

I don't understand the statement....how can you first find the problem
when you don't know what the problem is.

> Donwww.donsautomotive.com- Hide quoted text -
>
> - Show quoted text -
Scott Dorsey - 15 May 2007 14:14 GMT
>I don't understand the statement....how can you first find the problem
>when you don't know what the problem is.

By pulling the wheels off and looking inside.
--scott

Signature

"C'est un Nagra.  C'est suisse, et tres, tres precis."

John S. - 15 May 2007 14:27 GMT
> >I don't understand the statement....how can you first find the problem
> >when you don't know what the problem is.
[quoted text clipped - 4 lines]
> --
> "C'est un Nagra.  C'est suisse, et tres, tres precis."

At this point none of us knows the source of the problem because we
don't know whether the brake job from 6 months ago was good, bad or
indifferent.
Scott Dorsey - 15 May 2007 14:40 GMT
>> >I don't understand the statement....how can you first find the problem
>> >when you don't know what the problem is.
[quoted text clipped - 4 lines]
>don't know whether the brake job from 6 months ago was good, bad or
>indifferent.

Right, and no one will know until they pull the wheels off and look inside.
--scott

Signature

"C'est un Nagra.  C'est suisse, et tres, tres precis."

Donald Lewis - 15 May 2007 15:09 GMT
>>> >I don't understand the statement....how can you first find the problem
>>> >when you don't know what the problem is.
[quoted text clipped - 7 lines]
>Right, and no one will know until they pull the wheels off and look inside.
>--scott

Obviously.  My point -- perhaps poorly stated -- was that upon
inspection the odds are overwhelming that a crappy brake job will be
revealed per the symptoms described.  The chances are overwhelming
that the symptoms described will NOT be caused by the drive axle.

Don
www.donsautomotive.com

nealkendrick - 04 Jul 2007 21:06 GMT
For those of you who are curious, I did find the source of the problem
-- a faulty caliper. Apparently, the passenger side caliper piston was
not retracting, which left the adjoining brake pad barely pressed
against the rotor. I can see how turning left mitigated it, but I
don't understand (and maybe never will) why it didn't make noise in
reverse.
Don - 15 May 2007 03:41 GMT
>1997 Honda Civic. Brakes changed approximately six months ago. Just
>noticed the problem two days ago.
[quoted text clipped - 16 lines]
>
>Thoughts?

Causes:

**Dust shield bent and contacting rotor.
**Aftermarket pads with crappy or non-existent anti-squeal hardware.
If they even have shims they are "stickum" type and a shim has
shifted.

Cure:

**Check dust shield for interfrence -- its easy to bend it slightly so
it rubs and makes noise.

**Genuine Honda OEM pads complete with quality anti-squeal shims.

Don
www.donsautomotive.com
 
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