[DeTomaso] Techno question: a fine mess--update II
thomas
thomas at hax.se
Sun Oct 11 14:13:05 EDT 2015
Doesn't the balancer clamp the cam chain gear? I don't think running without balancer is good idea.
> 11 okt. 2015 kl. 19:03 skrev Asa Jay Laughton <asajay at asajay.com>:
>
> I'm not liking where this is going. I'd remove the balancer and run
> it. You might get a little oil splash past the seal but I honestly
> don't see how it could be the balancer. I'm beginning to fear its more
> dastardly, like a main or rod bearing or thrust bearing on the cam.
> Trouble is I don't think you can get the balancer off.
> Asa
> Sent using Jedi Mind Tricks
>
> Charles Engles <cengles at cox.net> wrote:
> Dear Bill and Asa, et al,
> Test drive without the AC belt still showed noise. While
> the engine was still warm, I removed the alternator belt. To my
> surprise, the chirpy noise is still there. The garden hose stethoscope
> seemed to show that it was maximal within the bowl of the crank
> pulley. Hmmm??? No noise from the oil pan nor water pump
> (obviously).
> Next, I removed the crank pulley and the noise is still
> chirping away. I checked again that the balancer isn't hitting
> anything on its backside and a wire hanger feeler shows nothing between
> the back of the balancer and the front cover or oil pan.
> Next, I could only imagine that I had somehow not torque the
> balancer bolt well and that it was loose. Sorry, it is tight and I am
> sure that it has a dose of anti seize and the correct torque.
> The balancer is a BHJ and is about nine years old with about
> 10k miles. It looks good. It was recently out and reinstalled last
> year before the Houston Rally. No noise was noticed until afterwards
> while driving "normally" in town, etc. Sounded like a belt, but it
> isn't all belt noise.
> I suppose the next step would be to loosen the balancer
> bolt, again apply a touch of antiseize if it looks like it needs it and
> then retorque.
> Warmest regards, Chuck Engles
> -----Original Message-----
> From: bill gaino [mailto:gaino at earthlink.net]
> Sent: Sunday, October 11, 2015 9:09 AM
> To: Charles Engles
> Subject: Re: [DeTomaso] Techno question: a fine mess--update
> Charles, I went thhrough this with a corvette it turned out to be a
> loose harmonic balancer bolt. Big one that goes in the end of crank.
> Bill 1362
> https://www.facebook.com/pages/slickpaintcom/129049637149634?ref=ts&fre
> f=ts
> If you want it slick. www.slickpaint.com like us on facebook
> -----Original Message-----
>> From: Charles Engles <cengles at cox.net>
>> Sent: Oct 10, 2015 9:30 PM
>> To: detomaso at poca.com
>> Subject: Re: [DeTomaso] Techno question: a fine mess--update
>>
>> Dear Forum,
>>
>>
>> It is still a fine mess. The gremlins are well
> entrenched.
>> At this point, I have:
>>
>> 1) ascertained that the balancer isn't hitting the block or pan
>>
>> 2) been unable to localize precisely the noise source despite the
>> mechanic's stethoscope or the garden hose stethoscope (it actually
>> works a little better in this instance, but still not a success). It
>> is coming from the front of the engine-belt area.
>>
>> 3) replaced the alternator: no change and now the ammeter needle
>> bounces
>>
>> 4) ascertained that I do have an electronic voltage regulator from
>> Motorcraft
>>
>> 5) replaced both belts: no change other than a slight decrease in
>> loudness and slightly different quality to the noise
>>
>> 6) replaced the idler pulley: no change. Sigh. The old pulley does
> feel
>> like the bearing is starting to go out compared to the smoothness of
>> the replacement, but still no noise silencing with the change.
>>
>>
>> I am perturbed. I have removed the new AC belt and I will
> test
>> again tomorrow to see if I have finally localized the noise maker. I
>> am thinking about trying some of the belt treatments for squeaking
>> since I have replaced *everything* at this point.
>>
>>
>> With apologies to Mr. Friedman's famous quote: " Sadder,
> older,
>> wiser, I go now, seeking through faith and reason combined the answer
>> to this baffling pageant which is the Pantera and the small by play,
>> which is my amateur wrenching."
>>
>>
>> Philosophically yours, Chuck Engles
>>
>>
>>
>>
>>
>>
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