I had a tensioner that did that. Even whistled like a turbo until the oil
pump started leaking and luber 'er back up
;o)
The 5 main resonance has my thoughts at a loss. That engine could do
anything strange, anywhere, anytime....
The stethoscope idea is a great route to go.
5 pounds different on a short stroke may be something to think about, unless
it is a cylinder that gets egr pukes (#4 cyl on the old subarus.)
it just may be a slap of some kind.
"Carl 1 Lucky Texan" <alckytxn@swbell.not> wrote in message
news:4%YMh.11294$P47.5984@newssvr22.news.prodigy.n et...
> Carl 1 Lucky Texan wrote:
>
>> Gerald Graf wrote:
>>
>>> The issue with my car is with a metallic tick noise emanating from the
>>> engine specifically from 3000-4000rpms when cold or warm, otherwise
>>> the engine is silent. It is most noticeable when letting off the
>>> throttle while in gear. The current mileage is 145,000kms or
>>> 90,000miles. The problem started after getting my intake manifold
>>> gasket replaced 2 weeks ago, however I cannot understand how one would
>>> relate to the other. I don't believe that its piston slap however am
>>> open to suggestions. I've had one mechanic tell me that the engine is
>>> gone stating that the crankshaft was bent, pistons were gone, ...,
>>> with hearing this I didn't believe that this individual was correct so
>>> I had another dealership test for compression, the figures were
>>> 200,200,200,205 which basically means the engine is in very good
>>> shape. So what could this noise be??, I'm relatively sure its not an
>>> exhaust shield rattle, I don't believe its a tensioner issue because
>>> the issue is still there when the engine is warm.
>>>
>>> Otherwise I have had the wires and plugs replaced.
>>>
>>> Anybody have any ideas, or similar experiences??
>>>
>>> Thanks
>>> Gerald
>>>
>>
>> Possibly an inspection of the inside of the timing covers could show
>> 'rubbing' - that might indicate the tensioner.
>>
>> Can someone use a stethoscope to 'pin down' the location better?
>>
>> I dunno - just some ideas
>>
>> Carl
>>
>>
>
>
> Oh yeah - maybe a brief experiment (say - before an oil change) with some
> high viscosity oil might help determine if its piston slap?
>
> I dunno
>
>
> Carl
>
>
> --
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