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 1961 IIIA clutch slave cylinder
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graham

United Kingdom
10 Posts

Posted - 25 Sep 2011 :  20:32:55  Show Profile  Reply with Quote
Got a frustrating problem. After I bleed my clutch hydraulics, the clutch is perfect, but within about 10 miles the gear change starts to grate and gets rapidly worse. I check and the slave has fluid under the dust cover. I take the s/c apart, and bore and seal look fine.
I am not confident that the master and slave are original, they have no marks (except Lockheed on the m/c).
m/c is 16cm long (bulkhead to pipe), s/c is 7.5cm, s/c bore is 1".
Do you think I could be pressing to much pressure into the s/c, because the m/c and s/c are not a matching pair ?
Engine number is B3053469.
Any ideas greatly appreciated.

janmarine3

South Africa
286 Posts

Posted - 26 Sep 2011 :  10:25:41  Show Profile  Reply with Quote
Hi Graham, check that the seals and parts in the slave cyl are fitted correctly, not for example the wrong way round , even if it is new.
Cheers
Jan
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graham

United Kingdom
10 Posts

Posted - 02 Oct 2011 :  22:12:33  Show Profile  Reply with Quote
Hi Jan, I took the slave seal out and checked it against a new one (even though it was only about 6 months old), and it was more parallel (i.e. not so conical). So I replaced it, used "rubber grease" in the bore (which I had not heard of before), and so far it is fine.
Thanks for your help.
Graham.
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