 | Home > Tdi > TDi flywheel thickness |
 
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36mm!! (workshop manual states 36.96 minimum!).
| Blackhat90 Member Since: 31 Dec 2016 Location: Forfar Posts: 86   
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Hi matt, I cant see 1 mm making a lot of difference. the push rod self adjusts as clutch wears, ,
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30th Jan 2017 11:51pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
But its the presser plate that holds the clutch friction plate in palace onto the fly wheel when in drive
not land rover but you can see below  Click image to enlarge but having had a look at clutch side of 200tdi flywheel, you may be ok or may be not see below http://www.ebay.co.uk/itm/DISCOVERY-1-DEFE...3641.l6368 Last edited by dorsetsmith on 2nd Feb 2017 2:55pm. Edited 1 time in total |
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31st Jan 2017 10:17am |
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| Blackhat90 Member Since: 31 Dec 2016 Location: Forfar Posts: 86
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Our is different setup from that, the release arm is free floating. and Hydrolic pushrod, 1 mm farther away would not be felt, tractors used to get flywheel skimmed,, .
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31st Jan 2017 8:52pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3346  
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Tdi Flywheels are thickness critical because they can suffer from cracking. They also are a big part in managing the engine RPM. If the flywheel is reduced in thickness too much the weight is lowered to the point the engine can over speed which causes damage to the internals. Or so I'm told.
I managed to find a reasonable replacement at LR Direct as at the time mine went all I could find were in the £300-400 price mark 
Here is what mine looked like Click image to enlarge Click image to enlarge Click image to enlarge The dishing and heating on it is still unexplained but the theory was in its past it had been machined badly and then allowed to sit for a long time which caused pockets of rust to form and then eventually the whole face was so distorted the clutch gave out as it was not really contacting very well. Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter  |
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2nd Feb 2017 2:17pm |
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| Defendermatt Member Since: 15 Sep 2016 Location: Derbyshire Posts: 311 
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So I went to my local spares shop and measured a couple. Which were all undersize
They were all non genuine. But I would have thought that if the dimension was so important then it would be something that even the after market manufacturers could get right. |
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3rd Feb 2017 1:45pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3346
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You would hope so
Advice I was given was by a senior LR tech at a dealership who had been there since they were selling N/A Diesels so I have no reason to doubt him. That said, if all the aftermarket ones are out of spec then may not be so critical? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197 Self confessed mileage hunter |
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3rd Feb 2017 2:11pm |
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| Defendermatt Member Since: 15 Sep 2016 Location: Derbyshire Posts: 311
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An update on the flywheel situation.
I have now measured a total of 4 flywheels. 2 used. 1 skimmed and 1 new oem. All of which measured undersize of the minimum of 36.96, between 35.70 and 36.00 ish mm. So I have stuck with the one I had skimmed and decided that the WSM must be printed incorrectly  |
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13th Feb 2017 3:47pm |
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| shaggydog Member Since: 12 Aug 2012 Location: Kent Posts: 3346
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Should be fine then
 Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197
Self confessed mileage hunter |
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14th Feb 2017 2:03pm |
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