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[Mechanical] [Solved] Roaring Noise from Cold
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 16865

Wales 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3
Roaring Noise from Cold

Classification
Mechanical

Problem
Loud roaring noise from engine at cold start

Affected vehicles
TDV6

Reported
27th January 2005 by Gareth in post 378

Reported Cases
Several

Occurs
When cold

Submitted to dealer network
?

Dealer Response
None

Submitted to LR Customer Services
None

LR CS Response Reported
None

Fix/Solution
Standard behaviour, the viscous cooling fan is loud after a cold start - Td5s are the same.

Other Comments
None
 

Last edited by Martin on 2nd Jan 2006 10:53 am. Edited 1 time in total 
Post #6055th Feb 2005 11:07 pm
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Steve55
 


Member Since: 26 Aug 2005
Location: Solihull
Posts: 16

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3
Roaring Noise from Cold

Hi All,
Only just joined a week or so back so may make few mistakes to start with!
I also get a Roaring Noise from Cold on my TDV6 SE Auto but this goes quite quickly after warming up, 1/2 mile max. The car was registed 1st July 2005.
Wonderful site and living just 2 miles from the factory means I get a lot of contact with LR Staff. Any intersting stuff I'll post up, like Toyota making an offer for Jaguar ....... Ford engines in a Toyota? What next?
  
Post #158664th Sep 2005 7:20 am
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clinker
 


Member Since: 22 Dec 2005
Location: Manchester
Posts: 3

United Kingdom 2006 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3
Roar when cold

Just found this site... tremendous and slightly worrying at the same time, got my disco3 in september, been in the garage 3 times and waiting for a part... The roaring noise is the compressor recompressing the air receiver which probably has a leak (I am told the burst valve?? is common!)... LR have recently changed the compressor/air receivers... I kind of miss the roar...!! Laughing
  
Post #3421522nd Dec 2005 8:58 am
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Nickhearne
 


Member Since: 28 May 2005
Location: Beaconsfield Bucks
Posts: 981

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
Re: Roar when cold

clinker wrote:
Just found this site... tremendous and slightly worrying at the same time, got my disco3 in september, been in the garage 3 times and waiting for a part... The roaring noise is the compressor recompressing the air receiver which probably has a leak (I am told the burst valve?? is common!)... LR have recently changed the compressor/air receivers... I kind of miss the roar...!! Laughing


Hi & welcome Very Happy
I think you will fined the compressor is not the loud noise as it is quite quiet when running!
But is the cooling fan!
 D4 HSE Santorini Black with Almond Arabica hide & Walnut trim

Discovery 3 TDV6 SE
Zambezi Silver Ebony leather Now sold 
 
Post #3421722nd Dec 2005 9:16 am
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clinker
 


Member Since: 22 Dec 2005
Location: Manchester
Posts: 3

United Kingdom 2006 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Nick, does the cooling fan come on to cool the compressor then? My early morning roar (so to speak) has now gone with my supension fix Sad my neighbour said she like being woken up by my roar.. BTW are you aware of a thread relating to a knocking coming through the steering?
  
Post #3421922nd Dec 2005 9:19 am
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Nickhearne
 


Member Since: 28 May 2005
Location: Beaconsfield Bucks
Posts: 981

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

It is the engine cooling fan that makes the noise!
& yes some where there is a thread on knocking from the steering!
Some one will point you in the right direction Wink
 D4 HSE Santorini Black with Almond Arabica hide & Walnut trim

Discovery 3 TDV6 SE
Zambezi Silver Ebony leather Now sold 
 
Post #3422122nd Dec 2005 9:33 am
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Slimer
Site Moderator 


Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16204

United Kingdom 2008 Discovery 3 TDV6 SE Manual Chawton WhiteDiscovery 3

clinker wrote:
does the cooling fan come on to cool the compressor then?
Nope, the engine. The ambient temperature makes a difference, I've not noticed it in the colder mornings. It's just the viscous coupling taking a few seconds to sort it self out, sounds good though Razz The End  
Post #3422322nd Dec 2005 9:48 am
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clinker
 


Member Since: 22 Dec 2005
Location: Manchester
Posts: 3

United Kingdom 2006 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Cheers Slimer.. good to know that my viscous coupling will be roaring again soon..
  
Post #3422522nd Dec 2005 9:50 am
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mwillems
 


Member Since: 06 Jan 2005
Location: Oakville, Ontario, Canada
Posts: 154

2007 LR3 4.4 V8 HSE Auto Tonga GreenLR3

I have this too - but I drive the V8 petrol.

In Canada, yes it is cold, etc. Yes it roars, and then within a few blocks it calms down. Assume this is normal... yes?
  
Post #3853022nd Jan 2006 8:46 pm
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 22721

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Its normal.
  
Post #3859423rd Jan 2006 12:15 am
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d3matt
 


Member Since: 03 Aug 2005
Location: South Oxfordshire
Posts: 1485

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

My RRS TDV6 makes a roar when first started up in the morning. It sounds great. I wish it made this noise all the time. It sounds like a V12 petrol! Very Happy
 Matt  
Post #3859723rd Jan 2006 12:51 am
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croyde
 


Member Since: 17 Aug 2005
Location: SE England
Posts: 459


I know that it is innocent but I don't like the noise. makes me think that the clutch is slipping Very Happy
  
Post #516322nd Apr 2006 11:20 am
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SN
 


Member Since: 03 Jan 2006
Location: Romiley
Posts: 13264


Mine does this too - actually makes it sound good - but is gone by the time I get 100 yards up the road!
 Steve N | 2016 DMAX Utah Vision Auto | Was 2008 TDV6 SE Auto | Was 2006 TDV6 S Auto   
Post #517753rd Apr 2006 9:39 am
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Terrierking
 


Member Since: 13 Oct 2005
Location: Beeston an island somewhere in Notts
Posts: 57

England 
Fan noise

Slimer wrote:
clinker wrote:
does the cooling fan come on to cool the compressor then?
Nope, the engine. The ambient temperature makes a difference, I've not noticed it in the colder mornings. It's just the viscous coupling taking a few seconds to sort it self out, sounds good though Razz


Idea I knew it was the fan, just didn't know why - Ta mate.
 'LARA'
TDV6 S in Bonitti Grey. 
 
Post #1853932nd Aug 2007 3:20 pm
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zebadee
 


Member Since: 15 Feb 2006
Location: The Magic Roundabout
Posts: 1392

Ireland 

I find that if you back off the throttle a little & just let the car cruise at a low throttle setting for the first hundred yards or so, it will calm down & disappear.

Not always possible I know, especially if you’re pulling out into traffic immediately after setting off. But in my case I’ve to go up a ½ mile lane before hitting traffic, so it works for me Very Happy
  
Post #1854052nd Aug 2007 4:27 pm
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