99 Camry windshield wiper noise

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Old 30 Oct 2003, 06:35 pm   #1 (permalink)
Sharxster
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Default 99 Camry windshield wiper noise

66k kilometers on vehicle. ww motor is a lot noisier than it used to me
(quiet hum). Mechanic, in my presence took the unit out of the car,
disassembled it, cleaned, lubed all parts. Reassembled and reinstalled the
noise was somewhat improved (about 65% of what it was before). He said the
further reduction of noise would require swapping in another motor. I was
shocked that this should happen so soon on a vehicle. Mind you, he said that
noise or not, the noisy motor could last for years. Comments?



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Old 31 Oct 2003, 02:28 pm   #2 (permalink)
Jason James
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Default Re: 99 Camry windshield wiper noise


"Sharxster" <sharxster1@thesharxmanor1.com> wrote in message
news:U6iob.7496$EY3.1604@edtnps84...
> 66k kilometers on vehicle. ww motor is a lot noisier than it used to me
> (quiet hum). Mechanic, in my presence took the unit out of the car,
> disassembled it, cleaned, lubed all parts. Reassembled and reinstalled the
> noise was somewhat improved (about 65% of what it was before). He said the
> further reduction of noise would require swapping in another motor. I was
> shocked that this should happen so soon on a vehicle. Mind you, he said

that
> noise or not, the noisy motor could last for years. Comments?


If the wipers work well and there is no dragging on the motor due to tight
linkages in the wiper mechanism, the motor is probably just making
'lamination noise'. This is an effect where the many small sheets of metal
which make up the armature's core (the part which turns in the motor) are
vibrating in sympathy with the load on the motor,.....not a problem, except
for the noise.

Jason


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Old 01 Nov 2003, 08:08 pm   #3 (permalink)
Sharxster
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Default Re: 99 Camry windshield wiper noise


"Jason James" <flyhi@byplane.com> wrote in message
news:QBzob.172917$bo1.10922@news-server.bigpond.net.au...
>
> "Sharxster" <sharxster1@thesharxmanor1.com> wrote in message
> news:U6iob.7496$EY3.1604@edtnps84...
> > 66k kilometers on vehicle. ww motor is a lot noisier than it used to me
> > (quiet hum). Mechanic, in my presence took the unit out of the car,
> > disassembled it, cleaned, lubed all parts. Reassembled and reinstalled

the
> > noise was somewhat improved (about 65% of what it was before). He said

the
> > further reduction of noise would require swapping in another motor. I

was
> > shocked that this should happen so soon on a vehicle. Mind you, he said

> that
> > noise or not, the noisy motor could last for years. Comments?

>
> If the wipers work well and there is no dragging on the motor due to tight
> linkages in the wiper mechanism, the motor is probably just making
> 'lamination noise'. This is an effect where the many small sheets of metal
> which make up the armature's core (the part which turns in the motor) are
> vibrating in sympathy with the load on the motor,.....not a problem,

except
> for the noise.


Thanks for your assurance that nothing terrible is happening. My mechanic
noted that by squeezing the motor casing while the motor was operating that
the sounds would vary. In my presence he disassembled the linkage, bushings,
etc, thoroughly cleaned and relubed. Checked inside the transmission casing
and nothing appeared to be stripped.

>
> Jason
>
>



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