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Vibration on idle
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mittie
 


Member Since: 25 May 2015
Location: San Jose
Posts: 11

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3
Vibration on idle

Hi, my disco3 v8 hse vibrates on idle revs (650-1500 RPM), it shows no error codes, like misfires or something. It vibrate more on particular 1000-1100 RPM and kind of less on other RPMs in a range. What can be the problem, maybe injectors need a clean?  
Post #15264188th Sep 2015 6:30 pm
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Discogaz
 


Member Since: 17 Mar 2014
Location: Bracknell
Posts: 1399

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Engine mounts could be goosed  
Post #15264278th Sep 2015 6:48 pm
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Nodge68
 


Member Since: 05 Sep 2014
Location: Newquay
Posts: 1014

England 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

Or the exhaust mountings could be hardening with age. My exhaust has a vibration at 1200 to 1300 Rpm which I think is the mounts aging. Freelander SE 2005 Auto.
D3 TDV6. Gone.  
Post #15264488th Sep 2015 7:19 pm
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mittie
 


Member Since: 25 May 2015
Location: San Jose
Posts: 11

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3

that is BTW possible, is there a way to change engine mounts relatively easy?  
Post #15265989th Sep 2015 2:59 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Suggest cleaning the throttle body.

Thumbs Up Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise

  
Post #15266019th Sep 2015 6:00 am
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mittie
 


Member Since: 25 May 2015
Location: San Jose
Posts: 11

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3

Done that 3000 miles ago, how often it is usually should be cleaned?  
Post #15268929th Sep 2015 6:29 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

About every 5000 miles.

Perhaps worth attacking everything with a spray bottle of water too, just to make sure you don't have an air leak somewhere.

Thumbs Up Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise

  
Post #15269059th Sep 2015 6:59 pm
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mittie
 


Member Since: 25 May 2015
Location: San Jose
Posts: 11

United States 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3

Hmm, what should I observe after spraying water on the engine? Never done such a thing.  
Post #152738410th Sep 2015 7:03 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

A sucking / gurgling noise when you find a leaking pipe, union or component. Sometimes the RPM fluctuates too.

The other method uses a flammable spray that will trigger an RPM rise when the leak is found.

Thumbs Up Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise

  
Post #152740410th Sep 2015 7:36 pm
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aman
 


Member Since: 09 Feb 2014
Location: London
Posts: 285

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

which flammable spray do you recommend.... can the spray damage rubber or plastic?

cheers  
Post #152781511th Sep 2015 3:48 pm
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AllenD3
 


Member Since: 04 Apr 2017
Location: Larnaca
Posts: 3

Cyprus 2008 LR3 4.4 V8 HSE Lux Auto Java BlackLR3

Sorry to bring back up this old thread but did you end up finding out what causing those engine vibrations at 1100 rpm? I have the same issue with my 08 hse. Thank you  
Post #217499921st Sep 2020 9:05 am
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