 | Home > Maintenance & Modifications > Knock after polybushes |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20334  
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Have you checked rear lower shock bushes?
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11th Jul 2016 5:31pm |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208  
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Only in as much as grabbing the shock and trying to shake it! Nothing obvious but I'll have a better look in the morning.
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11th Jul 2016 5:54pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20334
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Look at them from the rear and rock the body up and down slightly, you'll see any excess play if there is any.
Then there are the rear damper / shocker upper bushes. And the front, they are a possibility. But especially check the rear. Maybe all fine though.. Last edited by custom90 on 11th Jul 2016 8:46pm. Edited 1 time in total |
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11th Jul 2016 5:58pm |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208
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I'll give them a look.
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11th Jul 2016 8:45pm |
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| Browny90 Member Since: 20 Jul 2015 Location: Derbyshire Posts: 183 
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I would go round and double check the fit and tightness of all the arrears which has new bushes. it sounds like a maybe the one of them is loose.. just double check to rule it out! My 1986 90 is currently on a full rebuild, with new chassis, Paint etc.. Very much a hybrid, TD5 Chassis, tub & bulkhead with a 200TDI and LT77 GB Painted in Stornoway Grey
 2 years off the road, but getting close to completion now |
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12th Jul 2016 7:01am |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971 
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If you've put polybushes in and then torqued everything up as tight as you can get it, your suspension has just been made a lot stiffer and less compliant than it was before so you're going to be putting a lot more force through the various components. The cause of the knock may well have been there before, it's just you're now provoking it when you weren't previously.
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12th Jul 2016 7:04am |
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| dave18 Member Since: 11 Jul 2015 Location: Gorleston, Great Yarmouth Posts: 497 
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Interesting my 110 was fully polybushed by the PO about 2 years ago circa 8k miles and the past two month been getting a similar knock . been mainly when turning right thou. Thought it was swivels or bearings but they are fine!!!
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13th Jul 2016 5:51am |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208
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I have embarrassingly discovered the source of the knock when braking hard or big body rolls.
I have a large pull out drawer fitted in the tub which has about a dozen or so pigeon holes for holding various bits of equipment for work. One of the lesser used further back holes has a selection of odd sized sockets for the landy. This weekend I tightened my front wheel bearings and it occured to me that the 52mm lump of a socket might be the culprit! Sure enough, put it back in a different, more padded hole, and bob's your uncle, no more knock! 
I guess it was just stable enough during normal driving but the heavy braking or body roll was enough to propel it against the ali sides of the pigeon hole. DOH!!  |
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25th Jul 2016 3:55pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2226 
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 The Land Rover 90 - Many are called, few are chosen.
50 Shades of Pennine Grey |
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27th Jul 2016 4:39am |
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| Loz2286 Member Since: 31 Aug 2015 Location: High Wycombe Posts: 121
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You're not the first to do this. I chased a knocking sound in my Series 2 for about six months until i discovered that the big adjustable spanner i had in the under seat tool box had become unrolled from the old T shirt I had it wrapped in. 1999 Td5 110 CSW
1961 Series 2 88 LPG |
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27th Jul 2016 9:33am |
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