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Discussion Starter · #1 ·
Strong sharpening knives noise about 3 minutes after I start my Toyota
Corrola 1997. Noticed it lately when the weather is below 20 F. Colder
it is the longer it lasts. I noticed that the timing belt moves slowly
until the noise is gone. (I don't have an RPM meter). Also notce the
same noise when I turn the car in the cold when performing slow sharp
turn.
Also noticed that if turn my radio lower or heater lower when the
noise suddenly hits me on the road - the noise stops. Could it be the
alternator? Is it a problem?
 
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Discussion Starter · #2 ·
"Wobbie" <[email protected]> wrote in message
news:[email protected]
> Strong sharpening knives noise about 3 minutes after I start my Toyota
> Corrola 1997. Noticed it lately when the weather is below 20 F. Colder
> it is the longer it lasts. I noticed that the timing belt moves slowly
> until the noise is gone. (I don't have an RPM meter). Also notce the
> same noise when I turn the car in the cold when performing slow sharp
> turn.
> Also noticed that if turn my radio lower or heater lower when the
> noise suddenly hits me on the road - the noise stops. Could it be the
> alternator? Is it a problem?
>


Noises are difficult to diagnose without actually hearing them. The timing
belt should not be visible without removing the timing belt cover, and it
should move at engine RPM.

Check the power steering fluid level.

Check the condition of the accessory drive belts. If they are slipping or
are cracked or shiny on the underside or have more than 60,000 miles on
them, get them replaced.

If this does not make the noise go away, have it diagnosed by a competent
technician.
--

Ray O
(correct punctuation to reply)
 
G

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Discussion Starter · #3 ·
"Ray O" <rokigawaATtristarassociatesDOTcom> wrote in message
news:[email protected]
>
> "Wobbie" <[email protected]> wrote in message
> news:[email protected]
>> Strong sharpening knives noise about 3 minutes after I start my Toyota
>> Corrola 1997. Noticed it lately when the weather is below 20 F. Colder
>> it is the longer it lasts. I noticed that the timing belt moves slowly
>> until the noise is gone. (I don't have an RPM meter). Also notce the
>> same noise when I turn the car in the cold when performing slow sharp
>> turn.
>> Also noticed that if turn my radio lower or heater lower when the
>> noise suddenly hits me on the road - the noise stops. Could it be the
>> alternator? Is it a problem?
>>

>
> Noises are difficult to diagnose without actually hearing them.


The OP's question struck me as one just made for "Car Talk", when they ask
the caller to replicate the noise. ;-)

Cathy




The timing
> belt should not be visible without removing the timing belt cover, and it
> should move at engine RPM.
>
> Check the power steering fluid level.
>
> Check the condition of the accessory drive belts. If they are slipping or
> are cracked or shiny on the underside or have more than 60,000 miles on
> them, get them replaced.
>
> If this does not make the noise go away, have it diagnosed by a competent
> technician.





> --
>
> Ray O
> (correct punctuation to reply)
>
 
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