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Another ‘air-ride’ issue
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3
Another ‘air-ride’ issue

Candidly, I fear I’m in a bit of trouble.

Facing 500 miles home on Saturday with no suspension.

Compressor runs (now with random added mechanical noises) but provides no inflation.

Down on bump-stops and hopping like a kangaroo.

I could really use a prestidigitator.

Thanks

Pete Everything's a hammer.  
Post #228403117th Mar 2022 9:06 pm
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Sea Raider
 


Member Since: 01 Nov 2016
Location: None
Posts: 4450

Codes
When mine did this it was a height sensor  
Post #228403417th Mar 2022 9:17 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
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United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Tbh any distance at all in access mode is going to be very uncomfortable and possibly dangerous.  
Post #228403517th Mar 2022 9:22 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Thanks gents I’ll revert with codes.

Pete Everything's a hammer.  
Post #228405617th Mar 2022 11:36 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Here’s the codes



Plenty to go at.

Thanks

Pete Everything's a hammer.  
Post #228410218th Mar 2022 9:59 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Everything seams to point to the crompressor.  
Post #228412418th Mar 2022 12:29 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13612

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

Register wrote:
Here’s the codes

Click image to enlarge


Plenty to go at.

Thanks

Pete


Hope u didn’t mind , just made the image a little sharper   
Post #228413518th Mar 2022 1:15 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Pete, Stuart

many thanks.

I’m minded to the same thing. I can get the compressor to run with a ‘bridge’ on the relay, but no action at all.

Sadly now on a loader home.

I’ll revert when I start disassembly.

Thanks

Pete Everything's a hammer.  
Post #228413718th Mar 2022 1:22 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Truck finally delivered home yesterday. Very Happy A few marks where I assume someone left something on the bonnet whilst in storage. Otherwise all good.

Now to address the suspension.

Not sure it’s a good idea, but I bought this lot for a system bypass whilst waiting.



Hopefully take a look at the compressor later today if the rain holds off.

Pete Everything's a hammer.  
Post #22901874th May 2022 8:30 am
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Is the continuous electrical hum from the compressor normal when everything is off?

Not too difficult to remove the compressor, once I worked out what was going on with the upper mounting bolt.

Looks like an uncompressed riv-nut, not holding in the chassis.




Someone's been here before. Plenty of mastic, new cylinder (not sure about internals yet) and a new air-dryer. Assume with desiccant.













Can someone please advise if this is AMK or Hitachi?

Also thoughts on what next?

Thanks

Pete Everything's a hammer.  
Post #22905106th May 2022 1:32 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Found an image from gstuart (thanks) which confirms it's an Hitachi compressor.

Not too difficult to see the problem.




The bolt holding the con-rod to the crank shaft has unwound leaving the piston with no drive and therefore no air to the suspension.

Swarf everywhere from budget conrod 'lighten and balance'.



The gods of sustainability dictate that I repair and reuse, so, it now makes pressure.

https://www.disco3.co.uk/gallery/albums/us...action.MOV


Got to at least give it a go.


Pete Everything's a hammer.  
Post #22905146th May 2022 2:54 pm
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nigethecat
 


Member Since: 11 Sep 2016
Location: Marnoch
Posts: 4142

Ukraine 2016 Discovery 4 3.0 SDV6 Commercial XS Auto Corris GreyDiscovery 4

Put an AMK one in while you have the option, will hopefully save you problems in the future... well... will just leave something else to break instead Laughing I want to see the sweets before I get into your windowless van... I'm not stupid!

Corris Grey D4 Commercial SE 2016
Zermatt Sliver 2007 D3 SE manual (gone)
Indus Silver D4 HSE 2015 (gone)
Bonatti Grey D3 HSE 2006 (gone)
White D3 S (LHD) 2007 (gone)
Firenze Red D4 HSE 2014 (gone)
Black RRS 3.6TDV8 2008 (gone)
Rusty Green Defender 110 1997 (gone)
Black FL2 HSE 2013 (gone)  
Post #22905176th May 2022 3:43 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Nige

is that just a straight plug n play or do I need any additional parts.

I’m stalled in the refit as I don’t have any thread lock for the crank bolt.

Also need to sort the bracket mounting bolts as they’re all not-too-good rivnuts

Pete Everything's a hammer.  
Post #22905186th May 2022 3:49 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Nice video Cool

You need to change the software if going for AMK  
Post #22905196th May 2022 4:03 pm
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Member Since: 29 Nov 2021
Location: SW London
Posts: 261

United Kingdom 2005 Discovery 3 TDV6 S Auto Barolo BlackDiscovery 3

Pete

Is that the case for 2005 D3?

Also any thoughts on where I get the captive nuts for the mounts?

All 3 replacements are a bit floaty

Thanks

Pete Everything's a hammer.  
Post #22905206th May 2022 4:10 pm
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