Gearbox knocking and clutch sticking to the floor

#1 by jamesd , Wed Jul 24, 2019 7:12 am

Hi all.gettin this loud tapping from the gearbox that goes when i press the clutch amd engage gear.also the clutch intermittently sticks to the floor when in gear,usually reverse and slow manoeuvring .clutch kit and flywheel bearing changed a year ago.plenty of fluid in the master cylinder.any ideas? 2003 k74 4 life.Thanks


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Posts: 158
Date registered 10.22.2017


RE: Gearbox knocking and clutch sticking to the floor

#2 by Heathen , Wed Jul 24, 2019 6:17 pm

Who did the work on the clutch? Was the release bearing changed with the clutch?
Also - do you get any shuddering when releasing the clutch while pulling away in 1st?


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Last edited 07.24.2019 | Top

RE: Gearbox knocking and clutch sticking to the floor

#3 by jamesd , Wed Jul 24, 2019 8:21 pm

The whole clutch kit was changed.was done by my usual mechanic whos worked on my jeeps for years so cam trust him.no reql juddering when taking off in first.could be a faulty release bearing?would thay cause the knocking and clutch hitting the floor though?


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Posts: 158
Date registered 10.22.2017


RE: Gearbox knocking and clutch sticking to the floor

#4 by Mallinman , Thu Jul 25, 2019 8:09 pm

Only thing to cause that I’m afraid is a goosed slave/master cylinder. But the fact ur getting a noise from the transmission suggests it’s a problem down there. I’ve had a brand new slave cylinder bust on me before after a week. Unfortunately it does happen. There not difficult to strip down urself if ur ok with a spanner. Did they change the DMF..???


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RE: Gearbox knocking and clutch sticking to the floor

#5 by jamesd , Thu Jul 25, 2019 10:36 pm

Ive a solid flywheel in mine.if the slave was leaking though would i not lose fluid from the reservoir? Its heading to the garage tomorrow.hopefully it wont be a fortune


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Date registered 10.22.2017


RE: Gearbox knocking and clutch sticking to the floor

#6 by 123hotchef , Fri Jul 26, 2019 1:45 pm

it is not unusual for the slave to give up shortly after changing the clutch


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