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Compressor noise on start up
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222Craig
 


Member Since: 09 May 2015
Location: Aberdeen
Posts: 31

Scotland 2012 Discovery 4 3.0 SDV6 HSE Lux Auto Firenze RedDiscovery 4
Compressor noise on start up

Since I bought my Discovery, every morning when I first leave my house the compressor runs for around 2 minutes, which I assume is topping up the air suspension. Is this normal? I can live with it but it makes for a noisy start and being that I live next to a school, I get a lot of looks from the kids passing by!

I wondered if it could be due to my driveway being slightly uneven so when parked one of the front wheels is slightly higher (3-4cm) than the rest. Is the Discovery trying to level off when parked?

Thanks,
Craig
  
Post #149032720th Jun 2015 1:20 pm
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Barn1e
D3 Decade 


Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2021

United Kingdom 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Running for a while on start up is normal but I sm surprised it is that noisy. Have you looked underneath the rear passenger door to see if the compressor bracket has been damaged. It is under a plastic cover. That could course the cover and compressor to vibrate. As regards levelling it will not try to get horizontal just try to get body height about the same on each corner. Some adjustment will happen when you get out, depending on your weight.
 2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time. 

Last edited by Barn1e on 20th Jun 2015 8:36 pm. Edited 1 time in total 
Post #149035320th Jun 2015 3:08 pm
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Biffysun
 


Member Since: 09 Jul 2011
Location: Central
Posts: 1786

Scotland 2016 Discovery 4 3.0 SDV6 SE Tech Auto Corris GreyDiscovery 4

Surprised Sure hope running for a couple of mins on start up is normal as mine has always done it Thumbs Up - doesn't make an awful lot of noise though Confused

edit : kids are probably just admiring your car! 8)
  
Post #149037320th Jun 2015 3:36 pm
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macstech
 


Member Since: 03 Aug 2005
Location: IN THE NORTH OF GERMANY
Posts: 47

Germany 2012 Discovery 4 3.0 SDV6 HSE Auto Java BlackDiscovery 4

Compressor on my D4 often makes a hammering noise after heavy offroad use.
Removing and vleaning the plastic housing of the compressor always solved the problem.

George
  
Post #149122022nd Jun 2015 1:16 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Owned my d3 for 7 months now and never once heard the compressor run!
It works well as I lower the suspension every time I exit the car.
  
Post #149122522nd Jun 2015 1:23 pm
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martingrant
 


Member Since: 28 Apr 2012
Location: Aberdeenshire
Posts: 4

United Kingdom 2008 Discovery 3 TDV6 XS Auto Sumatra BlackDiscovery 3

Same here - noisy compressor on start up - maybe it's an Aberdeen thing! Seriously, I do wonder if it is a pre-cursor to failure. Given your post is a couple of years back - did the compressor eventually fail?
  
Post #185995921st Sep 2017 12:00 pm
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robpenrose
 


Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

check its not full of mud
 

Current: D4 HSE
Previous: BMW Z4M Coupe
Previous: Land Rover Defender 90 CSW Td5
Previous: Land Rover Discovery Td5 ES 
 
Post #185996121st Sep 2017 12:04 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Depends how noisy it is...
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #185996421st Sep 2017 12:06 pm
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Irwin
 


Member Since: 04 Aug 2015
Location: Internet
Posts: 270


When I bought my D3 in 2011 it had a noisy compressor. It failed about a year later. I found the plastic cover was cracked and the bracket was broken in half. Previous owner obviously knocked it on something. The new Amk compressor is silent. If you go offroading a protective steel guard would be recommended
  
Post #185996921st Sep 2017 12:45 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Barn1e wrote:
Running for a while on start up is normal but I sm surprised it is that noisy. Have you looked underneath the rear passenger door to see if the compressor bracket has been damaged. It is under a plastic cover. That could course the cover and compressor to vibrate. As regards levelling it will not try to get horizontal just try to get body height about the same on each corner. Some adjustment will happen when you get out, depending on your weight.


ur spot on ref the bracket Thumbs Up , when i first got mine it made a terrible noise , on taking the cover off the bracket was broke and also the clips that held the bracket to the chassis were also broke

did end up fitting a new bracket and compressor, the difference was amazing , from inside the landy i can't hear it at all Bow down
   
Post #186003621st Sep 2017 5:03 pm
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martingrant
 


Member Since: 28 Apr 2012
Location: Aberdeenshire
Posts: 4

United Kingdom 2008 Discovery 3 TDV6 XS Auto Sumatra BlackDiscovery 3

forgot to update on my noisy compressor - turned out to be a broken bracket as per others on this post. First thing to check it would seem
  
Post #20421181st Apr 2019 2:42 pm
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1017

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

Peeps have been known to 'jack' the car up and miss the jacking point and use the compressor mount instead. Very easy mistake to make when you look underneath (or rather don't).

Guaranteed bracket failure every time.

My local tyre fitters managed it with great ease on my old D3 Rolling Eyes
 "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"

Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything Smile
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power) Smile 
 
Post #20421681st Apr 2019 5:19 pm
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