Crank Pulleys: Interesting Video

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Crank Pulleys: Interesting Video

Post by CitroJim »

Everything you wanted to ever know about Crank Pulleys but was afraid to ask...



I believe the 2.0 HDi has a decoupler type. Doesn't stop it failing though :twisted:
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Post by myglaren »

I thought the dual-mass pulley was supposed to do that - in fact the Freudenberg pulley is just that.

Looks impressive but no doubt they show the best bits and 'forget' the other less impressive ones.

There is a Freudenberg pland a few miles from here and we used to supply them with signage, always wondered what they did.
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Post by CitroJim »

myglaren wrote: There is a Freudenberg pland a few miles from here and we used to supply them with signage, always wondered what they did.
Sounds like a South African provincial town...

I wonder that about a lot of firms you see in industrial estates... In MK there was once a big outfit called 'Eurobuns'

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Post by DickieG »

The latest pulley Citroen supply for Xantia HDi's is solid, IIRC made by Corteco,,,,,
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Post by vince »

Great video link Jim, this will be interesting for my guys at work :wink:

I see many times mechanics replacing ribbed belt tensioners where its clear the crank pulley is the cause of the problem :wink:
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Post by Chris570 »

DickieG wrote:The latest pulley Citroën supply for Xantia HDi's is solid, IIRC made by Corteco,,,,,
i'll have to open the box i got from citroen then :)
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Post by citronut »

i like the bit were he says on modern vehicale's most auxiliary units are driven by a single V belt :shock:,

thats his first mistake how many more are there,

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Post by HDI »

The failed one I removed from mine was like the one in the video but the replacement from a motor factor looked solid. It isn't of course, just an improved design of decoupled pully.
I had always wondered why my tensioner oscillated so much ! It's completely smooth now.
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Post by RichardW »

My Xantia is still on its original pulley at 121k - no discernable play when we changed the belt at 110k. No idea why that should be when most go at <80k :? Just saving up trouble for another day, and I'll have jinxed it now :twisted:
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Post by HDI »

Mine reached about 170 K miles before it was about to totally fail. However, I had noticed the tensioner oscillating from about 120 K miles so it was probably on it's way out then I just didn't realise it !
The replacement is a Corteco from a factor.
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Post by andy5 »

The guys who changed my cambelt insisted on changing the pulley and a tensioner or two at the same time.

At 121 thousand miles that was, so it presumably wouldn't have lasted much longer if I'd declined.
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Post by Paul-R »

citronut wrote:i like the bit were he says on modern vehicale's most auxiliary units are driven by a single V belt :shock:,
Bearing in mind that's it's probably translated from German I think they mean a single belt rather thana single V.

Certainly poly-V belts are just about universal whereas there aren't that many cars with more than one belt.
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Post by lexi »

Anyway: I have told friends and family not to phone or come round ............I have an evening watching crank pulleys :lol: :lol: :lol:
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Post by Xaccers »

Can I just say, that cyclist at the begining is bloody insane!
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Post by red_dwarfers »

I really wasn't going to watch that video Xac. Now you've mentioned something that should be completely unrelated, I must :evil:
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