>> Just want to know a ballpark figure so I don't get ripped off.
>> 4.6L ford V8, '97 mustang GT if matters. Looks like it will probably be
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>
> for the heel and toeing goodness?
>>>Just want to know a ballpark figure so I don't get ripped off.
>>>4.6L ford V8, '97 mustang GT if matters. Looks like it will probably be
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> myself. The first was the cracked intake manifold coolant passage thing
> under warranty and the other was the pinon seal some years back
Are you sure that it's the throwout bearing and not a trans input shaft
bearing? Generally there's no pressure on the throwout bearing with
your foot off the clutch pedal and it'll be quiet until you shift again.
Truth be told, if I were reusing the iron flywheel on one of my cars,
and I didn't have any issues with the clutch, I'd probably scuff it up
with a D/A and call it soup. There are exceptions, however, like a VW
clutch where the wear surface and the mounting for the pressure plate
are two different planes, so it is a) difficult to tell by visual
inspection if the face is worn enough to cause issues with the PP
pressure and b) important to follow proper procedure when surfacing
flywheel (i.e. must maintain the proper step height between the wear
surface and the PP mounting surface)
nate

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Brent P - 04 Mar 2007 21:13 GMT
> Are you sure that it's the throwout bearing and not a trans input shaft
> bearing? Generally there's no pressure on the throwout bearing with
> your foot off the clutch pedal and it'll be quiet until you shift again.
When I am not shifting it's a bit noisy. midway on the clutch pedal it
goes fairly quiet or gets quite noisy at random. All the way in, it
screams. The noise is modulated with the clutch pedal location.
The noise when not shifting had me concerned that it was on the trans
side or the pilot bearing or just some bigger problem until I dug further.
For the 4.6L/T45 design anyway the throwout bearing is always running.
The shop manual makes this clear in at least three different places and
has an entire proceedure laid out of how disconnect and rig things to
make sure what is thought to be input bearing noise on the trans isn't
actually the the throw out bearing.
> Truth be told, if I were reusing the iron flywheel on one of my cars,
> and I didn't have any issues with the clutch, I'd probably scuff it up
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> flywheel (i.e. must maintain the proper step height between the wear
> surface and the PP mounting surface)
If I go with an OEM clutch I may be able to get away without doing it.
The trouble comes in that I am not going to be doing this myself because
the last thing I want is to be on the side of the dan-ryan with an
asploded throwout bearing.
Nate Nagel - 04 Mar 2007 21:49 GMT
>>Are you sure that it's the throwout bearing and not a trans input shaft
>>bearing? Generally there's no pressure on the throwout bearing with
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> the last thing I want is to be on the side of the dan-ryan with an
> asploded throwout bearing.
You have no sense of adventure :P
nate
(not one to talk; the last time I forced myself to drive a
"questionable" car so I'd have confidence in it, I ended up dead in the
Metro parking lot. Of course, the time before that, I had a pleasant
drive through some Maryland back roads in my Studebaker, which I
subsequently completely disassembled and never put back together.)

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> If this had been planned and I was doing it myself, I'd probably come up
> with all sorts of things, but the car is 60 miles from where I need to
> have it to do the work and the bearing is screaming so I am wondering if
> it is going to make it the 3 miles to the shop. ]
Throw-out bearing? You can make it ;-) Keep it in neutral (clutch
engaged) whenever you come to a stop. Use the clutch only for first-gear
starts and then shift without the clutch the rest of the time. No biggie.
Brent P - 05 Mar 2007 18:04 GMT
>> If this had been planned and I was doing it myself, I'd probably come up
>> with all sorts of things, but the car is 60 miles from where I need to
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> engaged) whenever you come to a stop. Use the clutch only for first-gear
> starts and then shift without the clutch the rest of the time. No biggie.
If it were empty roads without the possibility of needing to do a first
gear start every 10 feet for a few miles :)