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Author Topic: Clutch/Gearbox help and advice needed  (Read 898 times)

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rcaws

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Clutch/Gearbox help and advice needed
« on: 15 May 2008, 12:58:54 »

Hi all

I am in desperate need of some guidance as this is now really getting on my T**S!

Ever since i have owned the car the Gearbox has been a bit notchy and there is a clunk (not loud) when i depress the clutch in either reverse or 1st gear at low speeds. At first the clutch pedal was quite heavy and stiff, however a reverse bleed of the clutch (following your sound advice here) has resulted in a light and smooth action. However, the notchy shift and clunking remains, grrr. Now to be as specific as i can to aid diagnosis: the main notchyness is when changing from 1st to 2nd at low-medium engine speeds and 2nd to 3rd again at low-medium engine speeds. Changing from 3rd to 4th, 4th to 5th and coming back down the gears is all fine with a nice smooth action. Equally when driving hard the shifts are perfect, not notchy or clunky in any way, yet a different symptom then arises. When shifting up at or near the redline, the whole system seems really 'sluggish' even with the newley bled clutch, ie, seems to take a second for the clutch to disengage before the shift can be completed quickly and smoothly. In comparison to everything else that i drive/have driven. Also should you fail to come of the clutch smoothly it does judder slightly, but it does not slip even under heavy load.

I have lived with this for 15 months now and to be honest when anyone else drives it they cant see what my problem is, but as im sure you all agree, when you want to enjoy driving your pride and joy (and blowing away your enthusiast mates who drive Ford Racing Pumas ;D) it becomes irritating to say the least. I have no problem with taking it apart to fit a new clutch etc etc should that be the problem, but i dont want to spend loads of cash, not to mention the time to replace, when the problem could be eleswhere, especially as you guys generally seem to say that the clutch should be lasting 150.000K, mine has done 85.000K. Im dreading the possibilty of the Dual Mass Flywheel being broken - anyone know what the symptoms would be?

Any suggestions or guidance would be greatfully recieved!

Many Thanks

Rich

One final point which may or maynot be relevant, the gear stick seems to have quite a lot of play in it when the gear is engaged, especially 3rd. It shakes quite a lot at idle, and my car idles really smooth.  >:(
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Entwood

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Re: Clutch/Gearbox help and advice needed
« Reply #1 on: 15 May 2008, 14:00:32 »

Quote
Hi all

I am in desperate need of some guidance as this is now really getting on my T**S!

Ever since i have owned the car the Gearbox has been a bit notchy and there is a clunk (not loud) when i depress the clutch in either reverse or 1st gear at low speeds. At first the clutch pedal was quite heavy and stiff, however a reverse bleed of the clutch (following your sound advice here) has resulted in a light and smooth action. However, the notchy shift and clunking remains, grrr. Now to be as specific as i can to aid diagnosis: the main notchyness is when changing from 1st to 2nd at low-medium engine speeds and 2nd to 3rd again at low-medium engine speeds. Changing from 3rd to 4th, 4th to 5th and coming back down the gears is all fine with a nice smooth action. Equally when driving hard the shifts are perfect, not notchy or clunky in any way, yet a different symptom then arises. When shifting up at or near the redline, the whole system seems really 'sluggish' even with the newley bled clutch, ie, seems to take a second for the clutch to disengage before the shift can be completed quickly and smoothly. In comparison to everything else that i drive/have driven. Also should you fail to come of the clutch smoothly it does judder slightly, but it does not slip even under heavy load.

I have lived with this for 15 months now and to be honest when anyone else drives it they cant see what my problem is, but as im sure you all agree, when you want to enjoy driving your pride and joy (and blowing away your enthusiast mates who drive Ford Racing Pumas ;D) it becomes irritating to say the least. I have no problem with taking it apart to fit a new clutch etc etc should that be the problem, but i dont want to spend loads of cash, not to mention the time to replace, when the problem could be eleswhere, especially as you guys generally seem to say that the clutch should be lasting 150.000K, mine has done 85.000K. Im dreading the possibilty of the Dual Mass Flywheel being broken - anyone know what the symptoms would be?

Any suggestions or guidance would be greatfully recieved!

Many Thanks

Rich

One final point which may or maynot be relevant, the gear stick seems to have quite a lot of play in it when the gear is engaged, especially 3rd. It shakes quite a lot at idle, and my car idles really smooth.  >:(

Stupid idea .. but happened way back on a different car ....  check the gearbox mounting bolts, and the gearbox to engine bolts....  I had similar symptoms and found a whole load of loose bolts .. the prat before had dropped the box to change the clutch and not done things up properly, so the gearbox was literaly "moving about" ... :( under power the torque was actually holding it steady, but slightly twisted !!!


« Last Edit: 15 May 2008, 14:02:03 by entwood »
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rcaws

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Re: Clutch/Gearbox help and advice needed
« Reply #2 on: 16 May 2008, 10:58:39 »

Thanks Entwood, that thought had occoured to me so i checked when bleeding the Clutch, no movement at all!

Could the linkage from stick to box have play etc, can such things even be adjusted or is it a case of removing?  :-/

Any one else? I am perticularly interested in the symptoms of the broken flywheel, more to put my mind at rest than anything.

Thanks

Rich
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Omegatoy

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Re: Clutch/Gearbox help and advice needed
« Reply #3 on: 16 May 2008, 12:09:45 »

sounds like a lot of play in the dmf to me!!!

rcaws

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Re: Clutch/Gearbox help and advice needed
« Reply #4 on: 16 May 2008, 12:17:06 »

Quote
sounds like a lot of play in the dmf to me!!!

 :'( really? unless im mistaken they are VVVV expensive?

Cost of replacement aside, straightforward job to do? can anybody explain what the dmf actually does? or is there something else i should be checking  :-/
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