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camelman



Member Since: 27 Feb 2013
Location: Peak District
Posts: 3404
United Kingdom 
Constant hum from 50mph upwards
Right then, TD5 (130) with standard gearing and no lift.

when speed approaches 50mph get a very loud hum starting, appearing to come from the front of the vehicle. Gets louder up to 60, below 45mph all is normal.

Taking the vehicle out of gear and coasting downhill has no effect so it is directly related to roadspeed and not changing under load.

Anyone else had this before I start swapping front axle bits out? 
Post #1070456 27th Jun 2025 10:42pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5952
2006 Defender 110 Td5 USW Zermatt Silver
Wheel bearing??

Any noise change with steering inputs?
Post #1070466 28th Jun 2025 5:14am
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 991
Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
Tyres,wheel bearing, binding brake? 2008 2.4 110 Utility Station Wagon XS.
Post #1070467 28th Jun 2025 6:31am
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revd



Member Since: 20 Apr 2024
Location: England
Posts: 263
United Kingdom 
Tyres? Significant damage to tread or sidewall even if holding pressure

Drain the front differential and strain the oil that comes out
Post #1070470 28th Jun 2025 8:04am
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 2015
Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
The tread noise if big treads or bearing would be my guess

Jack up and give them a spin 2023 Defender L663 V8
2016 Range Rover Autobiography 4.4 TDV8 (gone)
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #1070471 28th Jun 2025 8:06am
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