on 2/7/2008 10:19 AM Jim Yanik said the following:
> willshak <willshak@[EMAIL PROTECTED]
> wrote in
> news:13qm4r66hmijq99@[EMAIL PROTECTED]
>
>
>> on 2/6/2008 7:17 PM Codifus said the following:
>>
>>> willshak wrote:
>>>
>>>> on 2/5/2008 3:19 AM krn001@[EMAIL PROTECTED]
said the following:
>>>>
>>>>
>>>>> I dont see my initial post so i am reposting:
>>>>>
>>>>> Hi,
>>>>> I have a question regarding my 96 pick up. When i start it up i
often
>>>>> get a sound coming from underneath near the engine. It sounds like
>>>>> "metal pieces being shaken in a tin can". This lasts momentarily on
>>>>> start up but
>>>>> occasionally can repeat upon acceleration after coming to a stop. I
>>>>> thought perhaps the catylitic converter but sound seems closer to
>>>>> engine. Every time i stopped by my mechanic i couldnt replicate the
>>>>> sound to appear.
>>>>> * vehicle info:
>>>>> 1996 2wd pick up xtended cab, 4 cyl, auto, virtually all options,
>>>>> mileage is:
>>>>> 38,000 ORIGINAL MILES
>>>>> I am 2nd owner since 3/2000.
>>>>> Any info is appreciated.
>>>>> Thanks in advance....... Karl
>>>>>
>>>>>
>>>> I have a 97 pickup with ~60,000 miles. I have the same noise, a
>>>> rattling tinny sound when I start up that sounds like a loose ****eld
>>>> of some sort quiets after a second or two, and I am afraid that it
>>>> may be the timing chain.
>>>> I rarely go more than 10 miles on a trip, and I figure it's gonna
>>>> break one day and I'll have to have it towed and spend big bucks to
>>>> repair it.
>>>> Post back if you find out it is something cheaper. :-)
>>>>
>>>>
>>> Heat ****eld above tha CAT? When it happened on my car the sound seemed
>>> like it was in the dash when it was really under the car all that
time.
>>>
>>> CD
>>>
>> I have owned my 97 pickup since new. All my exhaust pipe ****elds have
>> long ago rusted and were pulled off. I had a cat-back Cherry Bomb dual
>> exhaust installed a year or so ago at Meineke and I told the guy about
>> the noise. He checked the whole exhaust system and welded a broken
>> http://www.youtube.com/watch?v=-2n5az0sScY&NR=1
<http://www.youtube.com/watch?v=-2n5az0sScY&NR=1>
>>
>> bracket in front of the cat, but that wasn't the cause of the noise.
>> It is a sound like the metal ****eld over the exhaust manifold is loose
>> and when starting, it vibrates and then quiets down when the engine is
>> idling smoothly, but the exhaust ****eld is solidly attached.
>>
>>
>
> Acura Integras have a double-walled "A" pipe to allow the catalytic to
heat
> up faster,and an inner pipe weld would crack,and you'd get a buzz at
around
> 3500 rpm. REALLY annoying.
>
> perhaps yout auto has a similar double-walled pipe?
>
>
It's not a buzz, but a distinct rattle, and it appears to come from the
engine compartment.
--
Bill
In Hamptonburgh, NY
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