[ROVERNET - UK] P4 105S Clutch

iudkuy wcygiohs iudkuy at yahoo.com
Sat Dec 4 22:35:57 GMT 2004


Alan

Thanks for the re-assurance. I checked my flywheel and
it is indeed a two dowel type. However the kind people
who have ground the surface of the flywheel have also
ground the dowels. Is this the modern practice or will
I have to somehow extract the stubs of the dowels, now
flush with the surface, and replace them?

Second (third?) question. The new clutch has been
supplied with a new withdrawal bearing. Is it wise to
replace this? It's a bit of a fiddly job on the P4 and
the existing bearing spins freely and is not noisy.

Cheers

Peter B


--- Alan FRANCIS <royston at jualry.fsnet.co.uk> wrote:

> Hi Peter,
> 	   Had a similar problem myself about 6 months ago.
> I contacted the Land
> Rover Series 2 discussion forum
> www.series2club.co.uk and got the answer
> enclosed below. With my former access to part number
> cross reference and
> suppersessions I know for a fact that some P4 part
> numbers change over to
> Land Rover ones still current today.The clutches
> were in effect the same
> originally. With regard to the spring pressures I
> wouldn't worry to much. If
> the same part number was the same (and it was) then
> the pressures would have
> been the same originally. Mine had the 2 dowel
> arrangement and I would
> assume so has yours.
> regards
> 
> Alan Francis (Part Viking)
> 
> Re: Clutch Applications
>
----------------------------------------------------------------------------
> ----
>  The Series 2/2A Land Rover uses two different
> clutches. All 2 litre engines
> (petrol and diesel), 2.25 petrol engines and early
> 2.25 diesel engines use a
> 9" coil spring type clutch (part nos 231888 for the
> cover and 275811 for the
> 2 litre plate and 540519 for the 2.25 petrol ot
> 601294 for the 2.25 diesel
> plate - I think the difference is in the damper
> springs or lining material
> and not the dimensions). Later 2.25 diesel and all
> 2.6 petrol engines use a
> 9.5" diaphragm spring clutch (part nos 571228 for
> the cover and 271712 for
> the diesel plate and 561536 for the 2.6 petrol
> plate) which was optionally
> available on the 2.25 petrol.
> 
> The two types of clutch are not directly
> interchangeable due to different
> dowel arrangements in the flywheel (the coil clutch
> has two, the diaphragm
> three dowels), however this problem can be overcome.
> You should be able to
> pick whichever clutch matches you're original type
> (coil or diaphragm) and
> fit that. One important thing. Don't be tempted to
> buy the Series 3 type
> clutch cover. Its a 9.5" diaphragm unit similar to
> the 2A, but it does not
> have a boss in the centre for the release bearing
> and as a result requires
> the release bearing to be much closer to the clutch
> than with the older
> covers. The result is normally a clutch that cannot
> be released.
> Mark
> 
> 
> 
> 
> -----Original Message-----
> From: rovernet-bounces at lyris.ccdata.com
> [mailto:rovernet-bounces at lyris.ccdata.com]On Behalf
> Of iudkuy wcygiohs
> Sent: 04 December 2004 01:38
> To: rovernet at lyris.ccdata.com
> Subject: [ROVERNET - UK] P4 105S Clutch
> 
> 
> This is my first posting, though I have been
> following
> the topics on the Rovernet for some time. But now I
> would like some advice.
> 
> I am replacing the worn clutch in my 105S and have
> obtained a replacement through a local supplier. How
> can I tell if the springs and therefore the weight
> of
> the pedal will not be greater than the original
> yellow
> spring type? I'm concerned because on the side of
> the
> box it states that it is for L/Rover and R/Rover.
> 
> Peter B
> 
> 
> 
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