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How To - Air Suspension Compressor replacement
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

steve

don't forget call me when your ready to get started Whistle
  
Post #12301153rd Feb 2014 7:35 pm
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Beretta
 


Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180

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

Will do Geoff, will be up at first light! Cover already removed and bottom two bolts off. That's enough for today!
  
Post #12301213rd Feb 2014 7:38 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

Rolling with laughter tart
  
Post #12301263rd Feb 2014 7:39 pm
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Beretta
 


Member Since: 11 Oct 2012
Location: Rochdale
Posts: 1180

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

Only coz new one hasn't arrived yet...
  
Post #12301293rd Feb 2014 7:41 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

I'm trying to ring you Whistle
  
Post #12301353rd Feb 2014 7:43 pm
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Stooby2
 


Member Since: 24 Jan 2014
Location: Sarf Laandaan
Posts: 26

United Kingdom 2005 Discovery 3 TDV6 S Auto Siberian SilverDiscovery 3

Bump to the top..

I'm going to service my air dryer as I'm getting the suspension fault intermittently at the moment. As it's been so humid recently, I'm guessing the dessicant has finally had it.

I take it a 2005 base model will have the Hitachi compressor, so this kit should be the correct one?

http://www.ebay.co.uk/itm/Land-Rover-Disco...2595bafd70

I'm aware of the microwave method, but I'd rather just replace the stuff.

And do I need any of the pipe repair bits in the eventuality that the pipes are seized into the compressor?

Thanks.
  
Post #134484020th Sep 2014 11:10 am
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jc_uk
 


Member Since: 19 Apr 2007
Location: Cumbria
Posts: 314

United Kingdom 

Hi,

Sounds like same/similar fault on my compressor, with the fault light coming on.

Anyone in the North West offer this as a repair?

Thanks

JC
  
Post #13695426th Nov 2014 5:47 pm
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cardicowboy
 


Member Since: 22 Jan 2014
Location: Bromborough
Posts: 24

Wales 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
Replacement compressor won't start

Good afternoon,
Disco 3 2006 TdV6 HSE auto.

I have had a suspension fault on my car for a few days, yellow light, bong etc, but the car held its height while I sorted some parts and a plan.

It has since dropped to the stops.

I got another Hitachi compressor and a spares kit, serviced it (piston ring, dryer balls, etc) and tested it on a battery, then removed the old compressor and checked it out. The con-rod had snapped, and the bearing had disintegrated, also with evidence of desiccant balls in the manifold. Broken. Properly.

I fitted the replacement last night and tried to run it, but found the 60A jcase fuse blown. I have put a temporary link in for now. I swapped the relay R7 for relay R9 to test, and no joy.

I found a leak from the top of the dryer pot, refitted the old one. No more leak.
I have bridged the relay to run the compressor, and it does. I have run it for a minute at a time to try and fill the reservoir.

Still getting yellow light and bong!

Any ideas please?
  
Post #154508815th Oct 2015 1:23 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

The compressor is ECU controlled, it only runs when the RLM wants it to run

By running the compressor by shorting the relay socket, you run the risk of damaging components and/or pipework

You need to get the compressor up and running when the car says so Thumbs Up
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #154510015th Oct 2015 1:41 pm
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cardicowboy
 


Member Since: 22 Jan 2014
Location: Bromborough
Posts: 24

Wales 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Thanks for the reply,
That was my fear, hence running it in short bursts to try and con the system to think there was something in the reservoir. Obviously didn't work.

Good news though!!! Since posting I disconnected the battery for a few minutes, went for a short drive, and the lovely "brrrr..." noise kicked in, no bong! no yellow warning light.

Set it to off-road height, reached it no problem, set back to normal, and it even switched off!

So, don't know, don't understand, and after two days of sweating and swearing, don't care hehe

I am planning the AMK upgrade in the near future though, so please keep this thread open.
  
Post #154513615th Oct 2015 2:44 pm
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trainmanone
 


Member Since: 19 Dec 2014
Location: stockport
Posts: 366

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

hi peeps, how do the big pipes at back of comp come off??????

regards pete
  
Post #154513815th Oct 2015 2:48 pm
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cardicowboy
 


Member Since: 22 Jan 2014
Location: Bromborough
Posts: 24

Wales 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

They are essentially push-fit pneumatic fittings, but they are always very, very stiff.

You need to push the ring towards the body, then pull the pipe out. It is in about 20mm. It has a brass insert so you'll need to be careful not to damage it.

You may need to drown it over time in penetrating fluid over days, and clean between the body and ring so it can actually move back.

On my car, the previous owner had cut the pipes about 3 inches away from the compressor body and used in-line 8mm and 10mm push fittings to reconnect them. This solves the future issue with servicing, or repairs, but you'll obviously need the right length of pipe if replacing the compressor.
  
Post #154521715th Oct 2015 5:32 pm
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trainmanone
 


Member Since: 19 Dec 2014
Location: stockport
Posts: 366

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

thanks, have got it off now refurbished it with new piston ring and filter and silica, hope. it woks lol.

any tips how to get the top bolt back in??

pete
  
Post #154529615th Oct 2015 6:58 pm
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afavier
 


Member Since: 25 Aug 2012
Location: Maussane les Alpilles (13)
Posts: 7

France 2005 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Hi
You can try a tool like this, top Bolt back in in 5 mn Wink

Click image to enlarge


Just done it yesterday Thumbs Up
  
Post #154533115th Oct 2015 7:57 pm
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cardicowboy
 


Member Since: 22 Jan 2014
Location: Bromborough
Posts: 24

Wales 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I agree. I used to use the 3/8 drive ratchet and extension which popped out just above the motor housing, but using my 1/4" extension, wobble bar and screwdriver handle works much better.
Fit one of the lower bolts first just to help take the weight, then when the second lower bolt hole is over its hole, the top one should be over its hole.
I tend to use quite a bit of anti-seize to make removal easier next time. And there will be a next time.
  
Post #154541015th Oct 2015 9:08 pm
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