This definitely sounds like a dry pilot bushing. It will only squeal when
the speed of the first motion shaft is different than that of the flywheel
and its pilot bushing.
Rich
-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at
autox.team.net]
On Behalf Of Michael Salter
Sent: 2012-04-01 9:31
To: healeys at autox.team.net
Subject: [Healeys] Clutch Squeak
I have been asked for my thoughts... Anyone got ideas other than a clutch
problem?
The car started up fine and ran for a while to the point where we could push
in the choke and allow normal idle (no squeaking the whole time). We tested
for your Item #3 after setting up some lighting and using a bright led
torch. As we took turns depressing the clutch no movement of the front
pulley/damper was observed. Still no squeak.
After about 20 min of engine running (still no squeak) we decided to drive
around the neighbourhood. About 2 km into this run we noticed a slight
intermittent squeak. It turned out that the squeak was associated with
clutch movement i.e. coming to a stop sign and taking off. It was
basically a chirp as revs climbed and then fell but was definitely occurring
synonymously with clutch movement.
We then pulled over to the side of the road and raised the hood. At idle
with no foot near the clutch everything was normal. In neutral as the clutch
was pushed about 1/3 of the way in the squeak could be repeated at about
2100 RPM (my tach reads high). No squeak at lower revs and no squeak at
higher revs.
The sound (with ones head under the hood) was definitely not coming from the
front of the engine but seemed to be coming from the starter area at the
back of the engine. Again you only heard it as you ascended or descended
thru about 2100 rpm.
As we drove home the same phenomena occurred repeatedly climbing thru the
gears and passing thru (the sweet spot) 2100 rpm.
Again back in the garage in neutral the same squeak could be heard when the
clutch pedal was partially depressed (say 1/3) and revs passing up and down
thru 2100 rpm. There was no squeak with the clutch fully in or fully out
regardless of revs.
--
Michael Salter
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http://www.netbug.net/blogmichael/
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