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DISCO3.CO.UK > Wheels & Tyres

Increased road noise on D4
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boyd
 


Member Since: 26 Mar 2014
Location: Brackley
Posts: 217

United Kingdom 

Easiest thing to do is rule out the wheel and tyre configuration by borrowing a set of known good wheels for a quick drive. I'm sure many members on here have second sets of wheels and somebody must be reasonably close.

If still present assess at different revs and driveline loads I.e. Different gears and states of acceleration.

Pulsing or similar could indeed be driveline but should be easily ruled out looking at different driveline loads.  
Post #17465209th Dec 2016 10:54 pm
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Naks
 


Member Since: 12 Jul 2010
Location: Stellenbosch, Republic of the Western Cape
Posts: 757

South Africa 2011 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

simonej wrote:
One other symptom I've noticed, although I could be mistaken, is that it's slightly rhythmic. It will make the noise for a couple of seconds then go quiet for a couple of seconds and then make the noise again. Not sure whether that would suggest mechanical rather than tyres?



If it's a low frequency sound, similar to a helicopter's rotors, it could be that one or more rims have a slight buckle? --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: http://bit.ly/22l8YHh
Range Rover/Sport L320/L322/L494 Workshop Manual: http://bit.ly/2iH7jgG  
Post #174712711th Dec 2016 11:42 am
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