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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 
Low speed vibration

Bit of a problem, all suggestions welcome.

If I accelerate slowly from a slow speed all is well until I hit about 26 mph, at which point it feels like the car is being shaken in a jam jar - a very noticeable, very large shuddering as if the whole car is jumping about. The acceleration tails off but, once the speed has increased slightly, the shuddering falls away, the gearbox changes gear and all is well again.

This has only started happening after I had the main (transfer box to rear diff) propshaft replaced, the central bearing having developed too much play to get through the MoT. At the moment, I can't think of a link.

Confused

Post #586305 Tue Sep 03 2019 6:59pm
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IRBails



Member Since: 22 Nov 2013
Location: Wollongong
Posts: 863

Australia 

Wheel balance is where I'd start. M16 SVD8 ,4.4 HSE with a few extras, Sold R50 , Wife SQ5 , BMW R1200GSW.

Post #586313 Tue Sep 03 2019 10:45pm
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Col



Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4816

New Zealand 2013 Range Rover Sport Supercharged Autobiography Santorini Black

If you have just had a propshaft replaced personally that is where I would start, as something could be slightly out of balance or not aligned properly.

Cheers
Col

Post #586315 Wed Sep 04 2019 12:38am
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Oldandconfused



Member Since: 18 Jun 2017
Location: Norfolk
Posts: 746

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Zermatt Silver

People have reported a vibration similar to going over rumble strips caused by a binding EPB. Something else worth checking.

Post #586316 Wed Sep 04 2019 6:48am
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

Cheers. I just need it to stop raining...

Post #586318 Wed Sep 04 2019 7:35am
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rover75



Member Since: 14 Mar 2019
Location: On my way
Posts: 109

Denmark 2007 Range Rover Sport Supercharged Stornoway Grey

Not in a hurry then Mr. Green Mr. Green Mr. Green

Post #586365 Wed Sep 04 2019 7:39pm
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

I spoke to our Indie friend who wasn't able to fit it in to have a look. He suggested that for the sake of a few quid, a good first stage would be to change the brake-light lamps. Extremely sceptical, this I did and this problem (and several others) has gone away completely. I took the car along the local dual-carriageway: problem evident. Came back home, changed the lamps and took another trip down the same dual-carriageway: problem fixed.

One of the lamps was still working but a bit sooty. I have no idea how this could work: can cars have psychosomatic symptoms cured by a placebo?

We need a 'scratching head' emoticon.

Post #586489 Sat Sep 07 2019 1:07pm
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knwatkins



Member Since: 09 Sep 2018
Location: Poole, Dorset
Posts: 1138

United Kingdom 2010 Range Rover Sport 3.0 TDV6 HSE Stornoway Grey

That is bloody strange! Laughing Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey

Post #586513 Sat Sep 07 2019 7:59pm
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rover75



Member Since: 14 Mar 2019
Location: On my way
Posts: 109

Denmark 2007 Range Rover Sport Supercharged Stornoway Grey

Weird, would never expect changing light bulbs would sort whole car shuddering problem - just odd Rolling Eyes

Post #586520 Sun Sep 08 2019 1:38am
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

On the D3, iffy brake lamps are known to cause suspension / HDC faults, but that's because the ECUs think the brakes aren't working. In one of the lamps the 5W filament looked iffy. I was starting to wonder whether I had inadvertently caused an earth loop when I wired-up the winch.

Watch this space - only time will tell.

Post #586527 Sun Sep 08 2019 9:51am
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