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Clutch system need bleeding?

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Clutch system need bleeding? #1 This topic is about my 1976 MG MGB
socalmgfan Greg Azeltine Southern California, USA Sign in to contact 1976 MG MGB "Jessie"	Topic Creator (OP) Jun 23, 2017 07:54 AM Joined 14 years ago 536 Posts

I think my clutch master is leaking - the floor mat on the driver's side is suddenly slick. Indicating a slow drip, and I found the clutch reservoir empty after hard shifting. I filled it and now must bleed it. I jacked up the left side and attempted to bleed the slave cylinder - rebuilt two years ago. I only get a small dribble from the bleed screw when my assistant pushes the pedal down. The clutch is engaging at the top of the pedal, where it used to engage midway. My B is a 76, but retrograded and non-servo.

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Re: Clutch system need bleeding? #2
dickmoritz Dick Moritz Philly 'burbs, PA, USA Sign in to contact	Jun 23, 2017 09:04 AM Top Contributor Joined 14 years ago 26,263 Posts

Clutch master cylinder is FUBAR. Replace the master, slave, hose, push rod, and clevis pin and you'll be done for many years to come...

Dick

Errabundi Saepe, Semper Certi
(Often wrong, but always certain)

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Re: Clutch system need bleeding? #3
GlennMGB Glenn G Fort Worth, TX, USA Sign in to contact 1965 Triumph TR4A 1967 MG MGB GT "Rose"	Jun 23, 2017 10:43 AM Top Contributor Joined 10 years ago 1,638 Posts

Dick's right, you should replace the master cylinder and might as well replace all other components while you're at it. If that's not possible, it might help, while bleeding, to push the slave cylinder piston back into the cylinder while the bleeder is open.

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about 1 week and 2 days later...

Re: Clutch system need bleeding? #4
socalmgfan Greg Azeltine Southern California, USA Sign in to contact 1976 MG MGB "Jessie"	Topic Creator (OP) Jul 3, 2017 09:48 AM Joined 14 years ago 536 Posts

I purchased a new master cylinder and will update after installed and hopefully no issues bleeding the system.

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Re: Clutch system need bleeding? #5
ohlord Rob C A tiny Island off the coast of Washington State, N.W., USA Sign in to contact 1957 Land Rover Series I "EYEYIYI" 1957 Land Rover Series I "OVRLND" 1971 MG MGB 1971 MG MGB "Bedouin 2" & more	Jul 3, 2017 01:01 PM Top Contributor Joined 12 years ago 28,877 Posts

You need the slave too
Rebuild could easily be shot

LNDRVR4X4.COM
Home of Project "INCARN8'

1957 Series 1 Land Rover electric VEHICLE CONVERSION

FIXITUPCHAP.COM
FIXITUPCHAP INCORPORATED

RD3 Radar/ Electronic Warfare Technician
VIETNAM 1969-1972

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