one more thing to check is the bushing that the input shaft goes
into. If worn it will squeel.
...Art
On Wed, 13 Aug 1997, Dustin Howarth wrote:
> Hi everyone,
>
> Thanks to all who responded to my clutch question (pedal soft, difficulty
> getting into gear, some grinding, whirring sounds in bell housing, clunking
> when pedal is released, etc. -- see reprint below). The consensus seemed
> to be a faulty throw-out bearing, which made sense.
>
> I now have the engine and tranny out and separated, and have some new
> questions: Just what should I see if the throw-out bearing is in fact to
> blame? Should there necessarily be something obvious (broken parts, uneven
> wear, etc.)?
>
> Here's what I found:
>
> -- evenly worn clutch disc that should be replaced, but doesn't appear to
> be damaged or disfunctional.
>
> -- throw-out bearing looks okay to me -- no uneven wear or broken pieces.
> There seems to be a good amount of bearing material (carbon?) left. The
> swivel sockets connecting the bearing to the arm were somewhaat stiff.
>
> -- throw-out bearing arm (fork) had some slop at the connection to the
> transmission housing (maybe 1/4" to 3/8") -- seems like a lot of play.
>
> -- pressure plate looks okay, no evidence of worn springs. There was a
> little bit of uneven wear on the throw-out bearing side of the pressure
> plate where the bearing meets the plate.
>
> -- the hole in the clutch slave cylinder piston was a bit out of round
> where the throw-out bearing linkage connects, but doesn't seem too bad.
>
> Does that suggest anything to anyone? My plan right now is to replace the
> disc, plate, and bearing, as well as the clutch slave cylinder piston, put
> it together, and hope it's okay. That seems disturbingly unscientific to
> me, but I can't see anything obviously wrong.
>
> Could the problem I described be in the hydraulic system? There were no
> obvious leaks, but the fluid level was very low after the initial failure.
> After bleeding twice, the car was drivable but still not right. What are
> the symptoms of a bad clutch master or slave cylinder?
>
> I don't mind replacing the clutch assembly, but I would like to be more
> comfortable about the nature of the problem. Thanks in advance for any
> help or advice.
>
> Thanks,
> Dustin Howarth
> howarth@pulsenet.com
> '73 Midget
>
>
> Description of problem from my original post:
>
> Since the first drive, there was a mild clunk when releasing the clutch
> pedal, especially, it seemed, in reverse. There also seemed to be a large
> amount of miscellaneous noises in the trannny (loud first gear, etc.).
> Often it was difficult to get into first gear after a stop, and even going
> 2nd to 1st sometimes produced a slow, mild grind before slipping into 1st.
> These may or may not be related to the current problem:
>
> During a typical drive home, I found that shifting was becoming difficult,
> requiring me to rev the engine to slip into each gear. When I stopped in
> my driveway in neutral and running, I could not get into 2,3,or 4 at all,
> and any attempt to slip into first (with clutch in of course) was met with
> a high speed grind. Pedal pressure seemed much lower, but I haven't driven
> the car enough to have a definite feel.
>
> This is where the plot thickens, possibly splitting into two problems. It
> seemed that the clutch pedal/master cylinder/slave cylinder was not
> functioning, so we
> checked clutch MC level -- very low, despite no evidence of a leak. After
> refilling and bleeding, pedal pressure was better, but maybe not as good
> as original. While securely up on stands, I started the car and carefully
> shifted through all 4 grears at idle -- seemed fine, although the first
> gear grind happened the first attempt only. The car came down, and as I
> pulled out for a test drive, there was a new, disturbing whirring sound
> from the
> bell housing area while in gear with clutch in. During the drive, the car
> shifted, but I still experienced difficulty getting into 1st after a stop,
> and had some resistance from 2nd to 3rd. Back into the garage.
>
>
>
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