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Roaster 3.0 MK 1 Pulley Noise / Wobble #756627
27/09/22 12:23 PM
27/09/22 12:23 PM
Joined: Aug 2006
Posts: 810
Perthshire & Kent
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flyfisher Offline OP
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Perthshire & Kent
Hi all,
On my Dads 2007 Roadster Mk1 there is now a noise from the engine which seems to be coming from the top pulley. There is also a noticeable wobble from the belts caused by the pulley.

[Linked Image]

Hopefully the picture came though.

Has this happened to anyone before?

Does anyone know the part number for the replacement pulley, it is simply a case of changing the pulley?

Many thanks in advance.

Will

Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756631
27/09/22 12:46 PM
27/09/22 12:46 PM
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SimonH Offline
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That's not a Mk1 Roadster
The Mk1 doesnt have the top pulley like that


Simon @ Sifab.co.uk

Sifabtemporary@gmail.com
Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756635
27/09/22 01:20 PM
27/09/22 01:20 PM
Joined: Aug 2006
Posts: 810
Perthshire & Kent
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flyfisher Offline OP
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Hi Simon,
Yes it is… it is a June 2007 car so the last of the mark 1’s.

You can see the part better in the below add for a 3.0 ST220 v6

https://www.ebay.co.uk/itm/25571619...r=&widget_ver=artemis&media=COPY

Thanks in advance.
Will

Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756636
27/09/22 01:23 PM
27/09/22 01:23 PM
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SimonH Offline
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All the early S1 cars ran without the top pulley- the alternator belt had to be stretched over the crank and alternator pulleys


Simon @ Sifab.co.uk

Sifabtemporary@gmail.com
Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756640
27/09/22 01:28 PM
27/09/22 01:28 PM
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Perthshire & Kent
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flyfisher Offline OP
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The car had aircon from new, so that might explain the different pulley setup.

Is the top pulley driven or is it fixed?

Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756641
27/09/22 01:46 PM
27/09/22 01:46 PM
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SimonH Offline
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Its driven by the belt wrapped round it. On the Mondeo its part of the engine mount. If you need to change the engine mount to replace the pulley bearing- then its a head off job as theres not enough room to get the engine mount out off the "vee"


Simon @ Sifab.co.uk

Sifabtemporary@gmail.com
Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756642
27/09/22 01:52 PM
27/09/22 01:52 PM
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Luddite Offline
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I know nothing of that engine set-up, though looks like the pulley in question may be driving the water pump given it`s location and diameter. IF that might be the case then it seems possible that the beating could be the issue. If possible you could try gently levering the pulley from behind with a long screwdriver or similar if the pulley moves then it seems you may need a new water pump.. If you were handy with spanners I might suggest loosening the tension on the belt and checking the rest of the pulleys for play in their bearings.
Good luck.

Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756643
27/09/22 01:59 PM
27/09/22 01:59 PM
Joined: Jun 2021
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New Forest
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Originally Posted by flyfisher
The car had aircon from new, so that might explain the different pulley setup.

For comparison, my S2 Roadster was built in late-2008 (reg 1-1-09) with A/C, and looks like this:

[Linked Image]


Peter
2009 3-litre Roadster "Ivor", royal ivory / green
Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: flyfisher] #756644
27/09/22 02:06 PM
27/09/22 02:06 PM
Joined: Oct 2019
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Aberdeenshire
Image Offline
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Does the pulley move on its mounting bolts or can you feel play if you lift it in its bearing/bush? ... or is the pulley itself distorted?

K

Re: Roaster 3.0 MK 1 Pulley Noise / Wobble [Re: Luddite] #756645
27/09/22 02:14 PM
27/09/22 02:14 PM
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SimonH Offline
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Originally Posted by Luddite
I know nothing of that engine set-up, though looks like the pulley in question may be driving the water pump given it`s location and diameter. IF that might be the case then it seems possible that the beating could be the issue. If possible you could try gently levering the pulley from behind with a long screwdriver or similar if the pulley moves then it seems you may need a new water pump.. If you were handy with spanners I might suggest loosening the tension on the belt and checking the rest of the pulleys for play in their bearings.
Good luck.


The water pump is on the back of this engine, driven by a pulley on the camshaft


Simon @ Sifab.co.uk

Sifabtemporary@gmail.com
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