 | Home > Puma (Tdci) > Suspension knock |
 
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| TriniDaddy Member Since: 23 Nov 2020 Location: 10.57422, -61.28906 Posts: 25  
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SO. Was driving yesterday and started to hear a knocking sound on the rear right when going over bumps. Thought it was the wheel bearing gone again (that being the most buggy side) but upon inspection it turns out to be connected to the top side of the spring.
I'm not sure if there's a rubber ring or coating that's supposed to be there but something is definitely degrading between the spring and chassis mount point and I cannot find what it is. The only diagram on LRWorkshop is for a two spring setup which doesn't apply in this case. And the part for that is the "helper ring" RRC3352. I'm stumped. Any clues on figuring this one out?  Click image to enlarge 110 SW 2.4 IZUMI BLUE |
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23rd Feb 2024 9:59pm |
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| TexasRover Member Since: 24 Nov 2022 Location: Paris Posts: 794  
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Originally I don't think the defender has spring isolators so you should not find it on a parts list, but you can fit RRC/Disco isolators. This should reduce road noise supposedly.
The 110 has larger springs in the back, but you can isolators from a land cruiser that fit. |
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24th Feb 2024 7:00am |
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| rustandoil Member Since: 08 Sep 2012 Location: Cotswolds Posts: 667  
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ANR3060
I got mine from Gwyn Lewis  |
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24th Feb 2024 7:56am |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16879  
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To me from that photo that looks like the spring shedding its paint or powder coat and I'd be surprised if that is the source of your knock.
Have you checked the damper bushes, a very common source? |
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24th Feb 2024 8:03am |
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| andylee Member Since: 29 Jun 2016 Location: South East Posts: 86
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also worth checking the anti roll bar links, these cause a knock when worn out
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24th Feb 2024 10:54am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5422 
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It looks like the heat shrink type protective sleeve that they put on the end of coil springs is coming off.
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24th Feb 2024 12:08pm |
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| markb110 Member Since: 22 May 2010 Location: Guildford Posts: 2522 
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One that gets overlooked, and has happened to me, the bolts holding the upper shock mount.
The nuts on the inside needed nipping up. Wasn’t obvious when looking at it from the outside. Other than that get a willing volunteer to rock the truck as you lay underneath. Also , noises travel, so don’t forget to look elsewhere. Good luck |
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24th Feb 2024 1:39pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3209  
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+ 1 although its not a heat shrink as it is split along the length. I have purchased spare in the past, but cannot find the part number again. They are used on dual rate springs to prevent metal to metal contact when the coils bottom out. Edit: it could be ANR3060 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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24th Feb 2024 2:43pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19578
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A frame ball joint and or associated bushes is another knock issue to the rear, took me while to find that one, usually get it coasting lightly on and off power and it’d knock like a trailer tailgate locking forward and back, and the actually ball joint had excess play.
New genuine bushes, and greasable ball joint from gywn lewis and all was fine since, something else to grease as well.  Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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24th Feb 2024 4:17pm |
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