Join Date: Sep 2008
Location: Edmonton Alberta Canada
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Never shuts off?
I suspect you mean the compressor seems to run for a long time. For the most part, never stops is not possible as normally the compressor overheats after running for an extended length of time and the thermal shutdown circuit cuts in.
My guess is that you have a leak somewhere - probably the right side air spring; (lower tends to close the hole in the rubber), less likely is that there is a leak in the air line to the air spring or within the valve body that feeds the two front air springs.
My first thought would be to try and hear the sounds of an air leak. If you do, then you have to determine from where. After that, fixing will be relatively easy. Most often, the hard part of a Land Rover is not the fixing but in figuring out what to fix.
If there are no air leaking sounds, then perhaps the problem is the front valve block.
Below is the front valve block hidden behind the right side fog light. You can get at it by removing the front right wheel plastic fender liner.
2005 LR3 HSE 4.4L V8 petrol; Traxide dual battery kit; Rear Cargo area LED lighting; PIAA 2500K H11 Yellow Ion fog light bulbs; Patch cellular antenna to underside of interior of glass roof; CounterAct LT-2 capacitive corrosion control system; LLumar AIR80 Blue Low E clear Infra Red heat reducing side window tint; Manual upper rear door cable release; Schrader valve "air in" mod to OEM air tank; Akebono ceramic pads on OEM solid vented rotors; LR4 hitch receiver; Wiggs D4 Bluetooth Module; 3 Blink signal light feature; Clock on the Dash; D4 Backup Camera; 2015/16 Nav Data update.