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Old 30 Apr 2006, 10:36 am
twfsa
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Default CR-V 2000-2300 RPM buzzing Exhaust rattle



I seen this in a CR-V Forum concerning the above subject.


Noisy buzzing sound from under car
The tinny buzzing noise I was hearing at 2200 to 2500 rpm is fixed. Believe
it or not, the problem wasn't a loose heat shield, or a vibrating loose bit
of metal on the muffler, but the timing belt! It turns out, the timing belt
was set too tight at the factory. The service department simply set the
timing belt to factory specs and the noise went away. I must commend the
mechanic that tracked this down, because it really did sound like a loose
piece of metal.


Seems to me that if this were the problem I am experiencing it would of
shown up from the git go when the car was new!


Tom




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Old 30 Apr 2006, 11:52 am
'Curly Q. Links'
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Default Re: CR-V 2000-2300 RPM buzzing Exhaust rattle

twfsa wrote:
>
> I seen this in a CR-V Forum concerning the above subject.
>
> Noisy buzzing sound from under car
> The tinny buzzing noise I was hearing at 2200 to 2500 rpm is fixed. Believe
> it or not, the problem wasn't a loose heat shield, or a vibrating loose bit
> of metal on the muffler, but the timing belt! It turns out, the timing belt
> was set too tight at the factory. The service department simply set the
> timing belt to factory specs and the noise went away. I must commend the
> mechanic that tracked this down, because it really did sound like a loose
> piece of metal.
>
> Seems to me that if this were the problem I am experiencing it would of
> shown up from the git go when the car was new!
>
> Tom


----------------------------------

It sounds like you left that timing belt in there? If it's an '01 (I
searched your other posts) and it was so over-tightened that it took 5
years to loosen up enough to start 'singing', that belt must be in a
fragile condition. Timing belts don't stretch, since they get their
strength from fiberglass strands woven into the thing, and just like
fiberglass shipping tape, it's terribly hard to snap it, but it will
break.

It's also a five year old belt, and what is the service interval (TIME,
not mileage) for yours supposed to be?

I overtightened one once and it sang right away, during the first few
minutes after start-up it would sing like a harmonica when I revved it
up and let off the gas. Research led me to the conclusion that I'd
better loosen it since it was not going to loosen up by itself, without
the belt suffering damage.

Also, with the belt that tight, I'd be surprised if you haven't had
valve adjustment troubles because the front camshaft bearings should
have been under a terrific load, which would screw up your valve
clearances (even more than other Gen I CR-V's) as they wear in.

People have gotten help from HONDA on other claims when it's 'FROM THE
FACTORY'. Maybe you should be phoning? I'd ask them for a whole new
engine.

'Curly'
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Old 30 Apr 2006, 01:47 pm
Jason
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Default Re: CR-V 2000-2300 RPM buzzing Exhaust rattle

In article <hQ45g.56581$IZ2.18222@dukeread07>, "twfsa" <twfuksa@qwest.net>
wrote:

> I seen this in a CR-V Forum concerning the above subject.
>
>
> Noisy buzzing sound from under car
> The tinny buzzing noise I was hearing at 2200 to 2500 rpm is fixed. Believe
> it or not, the problem wasn't a loose heat shield, or a vibrating loose bit
> of metal on the muffler, but the timing belt! It turns out, the timing belt
> was set too tight at the factory. The service department simply set the
> timing belt to factory specs and the noise went away. I must commend the
> mechanic that tracked this down, because it really did sound like a loose
> piece of metal.
>
>
> Seems to me that if this were the problem I am experiencing it would of
> shown up from the git go when the car was new!
>
>
> Tom


Tom,
I agree that the mechanic done a great job in regard to figuring out the
source of the problem. I would have guessed that the source of the problem
was the exhaust system.
Jason

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We do NOT respect the subscribers that enjoy criticizing people.



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