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Stock Vanagon Clutch Disc in a TDI conversion
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AndyBees
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PostPosted: Thu May 26, 2016 4:56 pm    Post subject: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

This topic may have already been discussed to the Moon and back, but I never found anything ....

So, I recently pulled my transmission to install a Pilot Shaft that has larger splines to accept the TDI Clutch Disc (228mm).

Yesterday, I just happened to take a close look at the new TDI clutch disc and was comparing it to the Sachs OE style 228mm Clutch that I removed with about 50k miles on it.

The following photos reflect what I found... (look for the cracks in the metal)

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I believe the TDI engine and no doubt Subies, 1.8Ts, etc., may be more than the OE style Vanagon Clutch can stand. Or, was this just a freak thingy that occurred?

My engine has a Stage 1 Tune which bumps the HP from 90 to about 110-115. I'm not sure about the torque increase.

Almost two years ago, I did pull my PopUp Camper on a long road trip to Alaska and return... I doubt the damage would have hung together for 30k more miles...
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1983 Vanagon, Tin-top, Air-cooled Gasser, driven to Alaska 7 times (moth-balled)
'84 Vanagon Tin-top, ALH TDI engine, completed 8/2012. Driven to Nova Scotia 9/13 and Alaska July 2014 and July 2016..pulling a PopUp Camper. 1989 Carat, 3rd owner.
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Zeitgeist 13
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PostPosted: Thu May 26, 2016 5:28 pm    Post subject: Re: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

I suspect your trailer towing was the primary culprit
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Casey--
'89 Westfalia Bluestar mTDI (ALH)--His
'01 Westfalia Weekender VR6 (AXK)--Hers

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narendra.vw
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PostPosted: Thu May 26, 2016 6:54 pm    Post subject: Re: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

Thanks for the input. It's an eye opener.
I have already acquired TDI shaft & have Donor's low run TDI clutch plate.
This Info will hurry up my work.

Higher HP, change in Gear ratio & pulling trailer on uphill, downhill should be the cause.
5 speed in your next project? Smile
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Waldi
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PostPosted: Fri May 27, 2016 1:16 am    Post subject: Re: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

Nice info.

But i think this happens very rare.
i was driving the wbx disc on a mashined fly wheel on my AAZ for long time.
2 weeks ago i changed it finaly to a original TDI fly wheel and cluch with shaft, because of the anoying rattling in the gearbox with the light fly wheel.

I have mashined the tdi fly wheel only a bit for the original starterand 4 stripes for the oilpan screws. Balanced afterwards.
Using this plates
https://www.tk-carparts.de/article/4040/Trennblech_2_teilig.html

No more rattling in the gearbox on idle, and the engine runs smoother.
After doing 2,500km the last 2 weeks i notice also a better mpg.
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MarkWard
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PostPosted: Fri May 27, 2016 10:24 am    Post subject: Re: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

Andy, I should be pulling my clutch out over the next few weeks. I am also running the stock diesel clutch. I'll look for the cracks and let you know. mark
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1982 Vanagon Camper with ALH TDI conversion.
1990 Vanagon Camper project Syncro conversion.
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AndyBees
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PostPosted: Fri May 27, 2016 12:37 pm    Post subject: Re: Stock Vanagon Clutch Disc in a TDI conversion Reply with quote

You know, there's little doubt that the PopUp Camper trailer did stress the clutch plate. But, that was almost two years ago and a bit over 30k miles later.

Like many of us, there's been a few times I thought the tranny was in neutral and let the clutch out or dumped the clutch due to my foot slipping off the pedal. It would seem a few of those incidents would take a toll on the plate as well.

Of course, I do drive it almost like I stole it...

Today, I finally got the last welding done on the exhaust system, including the hangers. I'm almost ready to give it the final hang. I also have the two carrier bars with OE diesel engine rubber mounts ready to install. While all that stuff is out, I'm doing a few mods to the AC line connections, PS hose, and few things dealing with the electrical circuits in that area.
_________________
1983 Vanagon, Tin-top, Air-cooled Gasser, driven to Alaska 7 times (moth-balled)
'84 Vanagon Tin-top, ALH TDI engine, completed 8/2012. Driven to Nova Scotia 9/13 and Alaska July 2014 and July 2016..pulling a PopUp Camper. 1989 Carat, 3rd owner.
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