#1: Premature failure of clutch thrust bearing Author: panason1c, Location: SomersetPosted: Sun May 22, 2011 3:47 am ---- I see a lot of posts regarding noisy, or worn clutch thrust bearings (also known as the 'clutch release bearing')
The thrust bearing should normally outlast the life of the clutch assembly and premature failure is usually the result of unnecessary over-use of the clutch.
Basically, the bearing is only 'under load' when the clutch pedal is depressed, and premature failure of the bearing is mostly caused by continual holding down of the clutch pedal, such as whilst waiting at traffic lights for example, resulting in 'over-use' of the bearing.
Good practice is to always select neutral and keep your foot off the clutch during 'longish' waits in traffic, also, do not rest your foot on the clutch pedal when driving as this also places a (lesser) load on the thrust bearing.
Hope this helps.
#2: Re: Premature failure of clutch thrust bearing Author: MrrNoName, Location: UKPosted: Sun May 22, 2011 4:24 am ---- i do agree with this,
its a shame that if you put the car into neutral when waiting at traffic lights its a fail on the driving test.
The current driving test teaches all drivers to wait in first with their foot on the clutch ready for the lights to change (sometimes waiting for ages for the lights to change)
i imagine thats why there are suddenly so many bearings going before the cutch plate because new drivers are being taught to do that for the test and get into the habit of holding it in first all the time
#3: Re: Premature failure of clutch thrust bearing Author: Matt, Posted: Sun May 22, 2011 4:43 am ---- What noise does a worn release bearing make?
My car has a noise. Its hard to explain. Sounds like them things you put in your spokes on your bike when you were a kid haha.
Any idea what this could be?
#4: Re: Premature failure of clutch thrust bearing Author: MrrNoName, Location: UKPosted: Sun May 22, 2011 4:45 am ---- yup yup
#5: Re: Premature failure of clutch thrust bearing Author: panason1c, Location: SomersetPosted: Sun May 22, 2011 4:49 am ----
MrrNoName wrote:
The current driving test teaches all drivers to wait in first with their foot on the clutch ready for the lights to change (sometimes waiting for ages for the lights to change)
What a strange practise that is!.....i cant think of a single good reason for doing that.
In the early days, you would fail the driving test for remaining in gear, i remember the requirement was 'handbrake on and select neutral' while waiting at traffic lights.
#6: Re: Premature failure of clutch thrust bearing Author: MrrNoName, Location: UKPosted: Sun May 22, 2011 4:53 am ---- not any more ,
thats only when you are parked after a parellel park etc. The reasoning behind it is that you are always ready incase you suddenly see an out of control tanker driving towards you so you can quickly clutch up and move out of the way, when you are out of gear you are not in "control" of the vehicle.
Its stupid imo, and causes pre-mature bearing failure, and a aching leg after being in traffic for ages, esp if your clutch pedals stupidly stiff like mine!
haha
#7: Re: Premature failure of clutch thrust bearing Author: Matt, Posted: Sun May 22, 2011 5:20 am ---- Mine does it the other way around.
Sounds worse/louder when clutch pedal isnt pressed. When coasting (in gear but no gas) it's quite loud. At one point it got louder then now quiet again.
#8: Re: Premature failure of clutch thrust bearing Author: Seabook, Posted: Sun May 22, 2011 5:42 am ---- never know this.
but i am too lazy to put my foot on the cluth pedal when waiting for the lights
#9: Re: Premature failure of clutch thrust bearing Author: Seabook, Posted: Sun May 22, 2011 5:44 am ----
panason1c wrote:
MrrNoName wrote:
The current driving test teaches all drivers to wait in first with their foot on the clutch ready for the lights to change (sometimes waiting for ages for the lights to change)
What a strange practise that is!.....i cant think of a single good reason for doing that.
In the early days, you would fail the driving test for remaining in gear, i remember the requirement was 'handbrake on and select neutral' while waiting at traffic lights.
because the new learners are s**** nowadays, they takes forever to move off already. if you ask them to put the gear in neutral when waiting for the lights, it might takes them more than a min to start off
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because new drivers are being taught to do that for the test and get into the habit of holding it in first all the time 
