This didn't get to the spridget list since I forgot to remove the durn
trailer.
Larry
Begin forwarded message:
> From: Larry Macy <macy@bbl.med.upenn.edu>
> Date: Fri Feb 21, 2003 6:58:38 AM US/Eastern
> To: DLancer7676@cs.com
> Cc: midgetsprite@yahoogroups.com, wolfbj@prodigy.net,
> spridgets@autox.team.net
> Subject: Re: [midgetsprite] Re: Clutch advice please?
>
> OK, Lemme get in on this. I am the only one here that I know of that
> has actually lost the thrust washers. (I could be wrong tho). Now when
> mine dropped there was no noise of any kind to indicate there was a
> problem. Nothing, nada, nope, none. Also no vibration of any kind to
> indicate a problem.
>
> There was a physical manifestation, however. The car acted as if the
> clutch need to be badly bled. Which I did a number of times.
> Especially going up a hill. The reason for this is the rearwards shift
> of the crank not allowing a full release of the clutch. There was also
> absolutely no vibration in the driveline. I am not sure how long the
> washer had been out, but it was long enough to destroy the crank and
> rear main cap.
>
> Before you all going telling folks it is likely the dropped thrust
> washer causing the problem. Think for a minute. A dropped thrust
> washer only affects forward and back motion of the crank. Not the
> rotational motion.
>
> I would look elsewhere. Likely the clutch itself, or the motor mounts,
> or perhaps even a U-Joint. I seriously doubt a thrust washer problem.
>
>
> Larry
>
> On Friday, February 21, 2003, at 05:47 AM, DLancer7676@cs.com wrote:
>
>> In a message dated 2/21/03 2:33:20 AM Eastern Standard Time,
>> guy@weller-lakes.freeserve.co.uk writes:
>>> Secondly try a pry-bar behind the crank pulley to check if there is
>>> play in the crankshaft.
>>>
>>> It sounds to me as if the crank thrust bearings have dropped out. If
>>> this has happened it could give the vibration problem that you
>>> mention. They are not difficult to replace with the engine in situ (
>>> although I don't know if the mod for pin-ing in place can be done) I
>>> always used to put mine in with bearing locktight on the rear face.
>>>
>>
>> I agree with Guy, and would even go the step of dropping the oil pan,
>> which
>> is an easy do with the engine in place. That would give you a
>> look-see as to
>> whether there are thrust bearings (or pieces) lying in the bottom of
>> the pan,
>> plus an eyeball on the rear thrust bearing to be sure everything is
>> ok there.
>> This would be a good step before pulling the engine. And I have
>> always had
>> the engine out and taken the block to the machinist to have the thrust
>> bearing pinned. I don't think you could pin it with the crank in
>> place and
>> the crank won't drop with the engine in place.
>>
>> --David C.
>
>
--
Larry Macy
78 Midget
Keep your top down and your chin up.
Larry B. Macy, Ph.D.
macy@bbl.med.upenn.edu
System Manager/Administrator
Neuropsychiatry Section
Department of Psychiatry
University of Pennsylvania
3400 Spruce St. - 10 Gates
Philadelphia, PA 19104
Ask a question and you're a fool for three minutes; do not ask a
question
and you're a fool for the rest of your life.
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