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 Posted: Sun May 22, 2011 3:47 am |
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Joined: Sep 05, 2010
Posts: 461
Trade Rating: 0
Location: Somerset
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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.
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| 1.4 hdi, 206, Year..2003, 100,000 miles
Mercedes, ML270CDI, 2002, 200,000 miles
BMW K1200RS | |
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Posted: Sun May 22, 2011 4:24 am |
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Joined: Dec 16, 2010
Posts: 1533
Trade Rating: +10
Location: UK
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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
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| Please Dont take any of my posts as written fact. They are simply my opinion and although to the best of my knowledge true, the information within them may well be incorrect.
Any work you undertake as a result of my posts is done so at your own risk  | |
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Posted: Sun May 22, 2011 4:43 am |
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Joined: Feb 07, 2010
Posts: 3828
Trade Rating: +32
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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?
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Posted: Sun May 22, 2011 4:45 am |
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Joined: Dec 16, 2010
Posts: 1533
Trade Rating: +10
Location: UK
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| Please Dont take any of my posts as written fact. They are simply my opinion and although to the best of my knowledge true, the information within them may well be incorrect.
Any work you undertake as a result of my posts is done so at your own risk | |
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Posted: Sun May 22, 2011 4:49 am |
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Joined: Sep 05, 2010
Posts: 461
Trade Rating: 0
Location: Somerset
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| 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.
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| 1.4 hdi, 206, Year..2003, 100,000 miles
Mercedes, ML270CDI, 2002, 200,000 miles
BMW K1200RS | |
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Posted: Sun May 22, 2011 4:53 am |
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Joined: Dec 16, 2010
Posts: 1533
Trade Rating: +10
Location: UK
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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
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| Please Dont take any of my posts as written fact. They are simply my opinion and although to the best of my knowledge true, the information within them may well be incorrect.
Any work you undertake as a result of my posts is done so at your own risk | |
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Posted: Sun May 22, 2011 5:20 am |
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Joined: Feb 07, 2010
Posts: 3828
Trade Rating: +32
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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.
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Posted: Sun May 22, 2011 5:42 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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never know this.
but i am too lazy to put my foot on the cluth pedal when waiting for the lights
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Posted: Sun May 22, 2011 5:44 am |
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Joined: Feb 08, 2010
Posts: 10151
Trade Rating: +12
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| 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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