Re: [DML] Re: Clutch disc thickness

["Tom Niemczewski" <dmctom@xxxxxxxxx>]

John,

Thank you for your help and advice.
I will measure the disc tomorrow to see how much material I have left on 
each side. BUT, there is no problem with the disc being to thick. It is not 
a replacement. I had to take my transmission apart in order to seal it 
properly as it was leaking from pretty much every place possible. While I 
have the trans removed I wanted to check and see how much life my disc has 
left in it. Before I took it apart there was no problem with the clutch at 
all. I'm just checking if I should replace it or if I should put it back on 
the car. Since the disc is 8.1mm thick it seems that it's pretty much new. 
I'm replacing the pilot and throw-out bearings but I will keep the old disc 
and pressure plate.

Thank you again to everyone who responded to my question.

Greetings from Poland!
Tom Niemczewski
Vin 6149 plus 2418, 3633, 5030, 16473, 17086
Google earth: 52°25'17.66"N, 21° 1'58.40"E


--------------------------------------------------
From: "John Hervey" <john@xxxxxxxxxxxxxxxx>
Sent: Wednesday, March 28, 2012 4:04 PM
To: <dmcnews@xxxxxxxxxxxxxxx>
Subject: RE: [DML] Re: Clutch disc thickness

> Tom, Be careful. If the clutch facing is to thick ( on each side ) the
> clutch won't release unless the flywheel is turned down to compensate for
> the disk facing material thickness. I have a few new original Valeo disk 
> I'm
> holding on to for the future and the original facing material is 3.3mm + 
> or
> - on each side. .5mm or about ( 20thousands ) can make a difference in
> releasing or not.
> But to really see if the disk needs to be replaced is how much material is
> above the rivets. That will vary with manufacturing and wear.
> Valeo didn't make the disk or pressure plate for the last several years
> before they were discontinued and it was jobbed out to other factories due
> to demand. ( I know of 2 )  That is why the price kept going up and
> deliveries kept going way out. Bosch does the same thing on a lot of their
> parts that were discontinued on our cars last year..
> Being in distribution all my life I know the signs of when a part is going
> away by the factories and that is why I started making my own clutches 3 
> to
> 4 years ago. Yes, I had a little bit of a learning curve but it has all
> worked out.
> John Hervey
> www.deloreanautoparts.com
>
>
>
>
> -----Original Message-----
> From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf 
> Of
> daveswingle2
> Sent: Tuesday, March 27, 2012 8:23 PM
> To: dmcnews@xxxxxxxxxxxxxxx
> Subject: [DML] Re: Clutch disc thickness
>
> If the striping is still there you are probably OK, if gone and hitting 
> the
> rivets you should change it. It's one of those "how soon do you want to 
> drop
> the trans again?" questions.
>
> But to actually answer your question, the installed thickness across both
> facings is about 8mm. Each side is 3.5 mm and about .5 mm for the steel
> disc.
>
> If a new one is thicker you may have issues completely disengaging the
> clutch unless you cut less of a step in the flywheel or the pressure plate
> is designed to accomdate something thicker. It's a system.
>
> Dave S
>
> --- In dmcnews@xxxxxxxxxxxxxxx, "Tom Niemczewski" <dmctom@...> wrote:
>>
>> Hello everyone!
>>
>> I have another technical question to ask.
>> Does anyone know the thickness of a new Valeo clutch disc? Mine doesn't
> look bad but I'd like to know how much life it has left in it.
>> I appreciate any help.
>>
>>
>> Greetings from Poland!
>> Tom Niemczewski
>> Vin 6149 plus 2418, 3633, 5030, 16473, 17086
>> Google earth: 52°25'17.66"N, 21° 1'58.40"E
>>
>> [Non-text portions of this message have been removed]
>>
>
>
>
>
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