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DISCO4.COM > Technical (D3)

Should my V8 sound like this???
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3
Should my V8 sound like this???

I'm worried I may have an issue with either my A/C compressor, power steering pump pulley or belt pre-tensioner.....

This sound bite:

https://files.me.com/irwingeorge/byo47a.mov

was taken (with my iPhone) while the car was in "P" (I had the door open so it's easier to hear). Air con was off (not econ, but off). It's a 2005 V8 with 145,000km on the clock....

If you can hear the whine, should I be worried about it??

Thanks very much!   
Post #77412514th Mar 2011 12:11 pm
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

Anyone have any ideas??? Whistle   
Post #77424314th Mar 2011 5:25 pm
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Baben
 


Member Since: 15 Feb 2006
Location: Kyalami
Posts: 2059

South Africa 2006 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Idler pulley?  
Post #77426714th Mar 2011 6:15 pm
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

Baben wrote:
Idler pulley?


So there's definitely something wrong then?? Big Cry

Do I need to get it sorted ASAP do you think? Is there anything I can check myself?

Thanks Baben! (again!)   
Post #77426914th Mar 2011 6:19 pm
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er1c
 


Member Since: 24 Jan 2011
Location: New York
Posts: 183

United States 2006 LR3 4.4 V8 SE Auto Bonatti GreyLR3

My V8 definitely does not whine like that.  
Post #77485716th Mar 2011 2:25 am
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

Thanks er1c - the general consensus is that it's one of the bearings - idler pulley most likely. Investigations start today!   
Post #77486016th Mar 2011 6:17 am
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

OK, so the tensioner pulley bearing was replaced today and the whine persists.... Does anyone have any ideas as to what else I can try??   
Post #77727422nd Mar 2011 12:29 pm
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Air Compressor bearing. Sounds exactly the same as mine about 18 months ago.

Thumbs Up Bodsys Brake Bible

D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling

Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here  
Post #77728222nd Mar 2011 12:35 pm
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

Bodsy wrote:
Air Compressor bearing. Sounds exactly the same as mine about 18 months ago.

Thumbs Up


Legend. Thanks Bodsy. Bow down

Next question(s): is it cheap and easy to fix...??? (Please say yes...) Whistle   
Post #77728422nd Mar 2011 12:36 pm
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Miguel
 


Member Since: 16 Sep 2008
Location: Viseu
Posts: 103

Portugal 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Sounds exactly like mine. It as been like that for about 2 years now (since I bought it), and it gets a little worse with A/C on.

Always thought that a v8 shouldn't sound that sissy, but hey.. it never stopped working or gotten any worse so never bothered to get it fixed.

Is it expensive/difficult to fix?  
Post #77731122nd Mar 2011 1:09 pm
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

For you or for your dealer....?

There is an updated procedure that involves removal of the bearing and pulley rather than changing the whole AC pump, so it is a lot easier than it used to be....

About an hours labour & about £50 for the parts ISTR. Bodsys Brake Bible

D4/D3 Remote FBH heat kits
BAS Remaps/ EGR Blank
Transmission Flush
Software updates/enabling

Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
See It Here  
Post #77732322nd Mar 2011 1:28 pm
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George1879
 


Member Since: 10 Feb 2011
Location: Cape Town
Posts: 59

South Africa 2005 Discovery 3 4.4 V8 SE Auto Siberian SilverDiscovery 3

Bodsy wrote:
For you or for your dealer....?

There is an updated procedure that involves removal of the bearing and pulley rather than changing the whole AC pump, so it is a lot easier than it used to be....

About an hours labour & about £50 for the parts ISTR.


Thanks Bodsy. Thumbs Up   
Post #77732722nd Mar 2011 1:31 pm
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