 | Home > Puma (Tdci) > Puma Alternator Pulley. |
 
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| agentmulder Member Since: 16 Apr 2016 Location: Outer Space Posts: 1324  
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good info, will help someone I'm sure
 Solved the bowel problem, working on the consonants... |
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14th Mar 2017 5:32am |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4646 
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Must remember this. 1982 88" 2.25 diesel 1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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14th Mar 2017 11:29am |
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| 4wheeler Member Since: 13 Apr 2010 Location: Melbourne Posts: 87  
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I had a similar problem with a 2.4 Ford Transit at 130,000 km. Would sound like a bag of spanners at idle however the noise always sounded as though the noise was coming from the top of the engine. Unfortunately this had me checking for problems in the wrong spot.
After a heap of mucking around I eventually found that the crankshaft pulley (harmonic balancer?) was failing. The rubber had broken down between the outer and inner part of the pulley which would then allow the two outer and inner parts of the pulley to contact each other at idle under the tension of the belt. When revs increased, centrifugal force would take over and the noise would disappear. It would have eventually separated and caused damage to items such as the radiator. I don't know if the 2.4 Defender is the same pulley as the 2.4 Ford Transit. My 2.2 Defender also has a composite style crankshaft pulley although different to the 2.4 Transit and probably 2.4 Defender.. There should be no noticable side to side movement of the pulley components. The new Transit pulley was rock solid. If the bits move freely relative to the inner and outer section, it is likely on the way out. Another tell tale was that fine dust was evident around the deteriorating pulley as the rubber was breaking down and the metal to metal contact was creating the dust. The other sign that helped me find the problem was that looking down at the pulley during idle, it would tend to shift and not run 100% true at times. Hindsight is a wonderful thing when you know what the problem is! |
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14th Mar 2017 11:37am |
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| zsd-puma Member Since: 09 Aug 2016 Location: Kent Posts: 2720  
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Crank damper failure is common on the Mondeo 3 and Jaguar X-Type, which then wears out the tensioner, most people just replace the tensioner only for it to fail again a few months later. Jaguar did an upgrade kit with a larger heavier crank damper. I suspect the upgraded damper pulley is just from a transit as it has an extra belt way on it.
I've not heard wide spread comments about defender crank dampers failing like they do on the Jaguars though? |
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14th Mar 2017 11:54am |
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| pannawonica Member Since: 21 Nov 2010 Location: Clackline Western Australia Posts: 568
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Thanks Snorkers for a most useful post!
I have learnt something new, keep it coming, for many of us (me) it may have take much time and $s too sort!  |
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14th Mar 2017 12:33pm |
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| M94PUMA Member Since: 16 Dec 2016 Location: Hampshire Posts: 125 
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Hi there,I'm just about to do this to my alternator, I'm guessing you can do it all with the viscous fan still in place?
Is it as simple as just unscrew with the tool and screw the new one back in? And 85NM tourqe? Thanks |
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25th Sep 2017 5:07pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20294
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Useful info.
I think new ones are around £152 or similar amount as a whole unit. âï¸âï¸God Bless the USA 🇬🇧🇺🇸 âï¸âï¸ |
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25th Sep 2017 5:14pm |
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| M94PUMA Member Since: 16 Dec 2016 Location: Hampshire Posts: 125
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My alternator clicking on tick over, soon as revs increased its goes away,
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25th Sep 2017 5:37pm |
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| ARC99 Member Since: 19 Feb 2013 Location: North Yorkshire Posts: 1831 
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M94PUMA
Mine does that, I thought it was the standard Defender tick over. Oh well something else to do. Don't make old people mad. We don't like being old in the first place, so it doesn't take much to  us off.
Richard |
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26th Sep 2017 9:11am |
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| M94PUMA Member Since: 16 Dec 2016 Location: Hampshire Posts: 125
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No it shouldn't sound like that
 mines only started doing it recently, for the first 10 seconds after starting and then it will go away, soon as you turn all the lights on & radio subwoofer etc putting a draw on the battery it will click away!
Got the special pulley removing tool coming today and new pulley coming tomorrow so will write a review of the job! Cheers |
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26th Sep 2017 10:21am |
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| MartinK Member Since: 02 Mar 2011 Location: Silverdale (Lancashire/Cumbria Border) Posts: 2665 
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wow - very interesting - I occasionally hear something similar but thought it was my EGR!!! Better look closer later... Thanks for sharing Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)
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26th Sep 2017 12:39pm |
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| M94PUMA Member Since: 16 Dec 2016 Location: Hampshire Posts: 125
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Well chaps, just did the whole job in the rain and it took no more than 15 minutes start to finish,
6 screws take radiator fan top cover off, rachet and small extension just release the belt off the tensioner, put the tool onto the old pulley, hold 17mm spanner on outer of the tool, clockwise on the rachet to undo it, old one comes off, new pulley on, tool onto the pulley, then tighten back up to 85NM, slip belt back on, radiator fan housing cover back on, job done!!!!! All noises gone away!!! So so simple to do, Pulley was £32 - https://www.ebay.co.uk/itm/232409534488 Tool was £16 - https://www.amazon.co.uk/gp/aw/d/B002V9P76...ATQ0XTT6ZQ Total of £48 as opposed to £200+ for a new alternator!!!!  |
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27th Sep 2017 4:40pm |
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| ARC99 Member Since: 19 Feb 2013 Location: North Yorkshire Posts: 1831
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Well had the alternator pulled replaced and a complete idler pulley which was in a bad state due to the bearing having collapsed ,while in for a service and the fitting of a new Radiator (under warranty) which I had found to be leaking. The mechanic called it a
of a job as everything was solid . Don't make old people mad.
We don't like being old in the first place, so it doesn't take much to us off.
Richard |
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28th Oct 2017 12:32pm |
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| davidpalfreyman Member Since: 06 Oct 2010 Location: tanzania Posts: 67 
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M94,
Thanks for your comments on the alternator pulley. Does the same pullet fit on all the different alternators that LR used? Mine is a Bosch 021615003. The Haynes manual mentions 4 different altenators but the Bosch isn't mentioned Thanks Dave |
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30th Dec 2019 1:12pm |
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