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Dual Mass Flywheel Failure.

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richard wilkinson
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PostPosted: Tue Oct 20, 2009 19:56    Post subject: Reply with quote

think we need your password gribble  Twisted Evil  Twisted Evil  Twisted Evil
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PostPosted: Tue Oct 20, 2009 19:56    Post subject: Google Ads keep this community free to join!


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Gribble
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PostPosted: Tue Oct 20, 2009 19:56    Post subject: Reply with quote


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Gribble
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PostPosted: Tue Oct 20, 2009 20:00    Post subject: Reply with quote

DMF


Dual mass flywheel

In the ZMS the mass of a conventional flywheel has been divided in two. One part belongs, as usual, to the mass reactance of the engine. The other, however, increases the moment of inertia of the transmission.

Spring/damping system

The two masses are connected by a special spring-/damping system. A clutch disc without torsion damper separates and joins the two parts.

It is positioned between the secondary mass and the transmission. The gears are thus easier to engage and the synchroniser suffers less wear.

Damping mechanism

The greater the mass reactance of the vibrating masses, the stronger the resonance ratio and the associated torque peaks.

In the case of the dual mass flywheel this would be very evident when starting and stopping the engine.

An additional damper mechanism therefore prevents resonance overload. In normal operating conditions this damping mechanism is idle and the rotary vibrations of the engine are filtered out by the damping spring system.

Isolating the vibrations

Optimum isolation of the vibrations depends largely on the relationship between friction and spring rate.

The softer the spring, the better the isolation of the vibrations. The extremely long springs in the latest ZMS generation almost completely isolate the resonance ratio from the transmission in daily driving conditions.
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Red Robbo
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PostPosted: Tue Oct 20, 2009 20:00    Post subject: Reply with quote

When I get up the farm this week I'll get some pics of my dead one...No chance as yet as first shootday and lif generally ( Embarassed )  Smile
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Gribble
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PostPosted: Tue Oct 20, 2009 20:10    Post subject: Reply with quote

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Anmeldung unter: 034291/30 125

A bargain course in DMF repair and testing for Mr robbo
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Gribble
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PostPosted: Tue Oct 20, 2009 20:13    Post subject: Reply with quote

The tools to check the DMF are sykes -pickavant but its 17 pages worth of postings , I will edit it down a bit !

I think the 3.0 can have a Luk one fitted just need to look at it a bit more .

If it its cheaper to replace than repair ?
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Gribble
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PostPosted: Tue Oct 20, 2009 20:19    Post subject: Reply with quote

And ring 08457 001100 as Luk will send you a proper wall chart on DMF's

Anybody keen should log on to www.repxpert.com as its a handy thing to see who makes what for what.
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PostPosted: Tue Oct 20, 2009 22:23    Post subject: Reply with quote

Shocked  Shocked  Shocked
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rallymarshall
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PostPosted: Wed Oct 21, 2009 19:49    Post subject: Reply with quote

Gribble wrote:
And ring 08457 001100 as Luk will send you a proper wall chart on DMF's

Anybody keen should log on to www.repxpert.com as its a handy thing to see who makes what for what.


did try to register but need to work in a garage and i dont, unless i can persuade the mrs to do it Wink
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Gribble
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PostPosted: Thu Oct 22, 2009 11:01    Post subject: Reply with quote

At the risk of the inquisition coming round you can just put in something like 'Rallymarshalls  Recovery' as its a portal mainly sponsored by manufactures to sell gear .  Wink
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rallymarshall
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PostPosted: Thu Oct 22, 2009 20:54    Post subject: Reply with quote

oh no not the inquisition  Shocked
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Red Robbo
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PostPosted: Tue Oct 27, 2009 18:49    Post subject: Reply with quote

Still on the case,will post up shortly... Smile
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bazza2541
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PostPosted: Fri Oct 30, 2009 18:32    Post subject: Reply with quote

ANy more word on this?
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PostPosted: Fri Oct 30, 2009 18:59    Post subject: Reply with quote

bazza2541 wrote:
ANy more word on this?

Got some pics to show failure point,will post up on Sunday... Smile
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bazza2541
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PostPosted: Sat Oct 31, 2009 14:42    Post subject: Reply with quote

Red Robbo wrote:
bazza2541 wrote:
ANy more word on this?

Got some pics to show failure point,will post up on Sunday... Smile


Many thanks, mine went yesterday.
So looking for a solution. I am very tempted to solidify the flywheel and try the 2.8 clutch wheel.
See how it goes.
Unless I get 6 numbers tonight, in which case it'll a new Chevy 6.6 V8 and autobox going into it. Wink
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