Vehicle & Technical > Range Rover

Air suspension pump testing.

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Range Rover Blues:
The red wire IIRC goes to the pump overheat sensor.  If that fails the ECu will run the pump in short bursts to protect it.

If you run the pump for a for a while you should get some air into the tank but be careful you don't over-inflate.

It is possible that the pressue switch is stuck, the ECU would think the tank is full and not run the pump as a result.  This won't show up as a fault, not for a while at least untill the ecu thinks all that air (that doesn't really exist) is leaking on it's way to the air bags :roll:

Whoever tested your EAS should have checked that the pressure switch was changing state, ie on-off.  If they havn't then there is one to check.

DAVE39V8:
Do you know where this pressure switch is located and is it easy to fix/change :?:  :?:
I had pump running like I said but nothing seemed to happen to the height. :cry:  :cry:  :?

Range Rover Blues:
OK I had a quick look at the system schematic and there is a pressure relief valve so you can't over-inflate the system.

If the system is totally flat the pump needs to run for at least a minue before there is enough pressure to lift the back end, remember the back end will lift first.

IIRFC the pressure switch is located on the tank but I'll go check that.

One way to check for pressure in the system would be if you can open the drain valve in the bottom of the tank, it needs a very big allen key though.  Just crac it open, the bolt has a channl cut into it to relief pressure and blow out water without blowing the plug out.

Jonny Boaterboy:
I'm not sure about this but I think it takes 6 min to fill an empty tank as Mr Blues said you can't over inflate so leave it running for a while with the door open or inhibit switch on (under drivers seat) then close the door and see if it works. If you send me a PM with your address I have a very helpful few pages I found on a web sight which I can drop in the post to you, it tells you in detail how the air works and common problems and fixes

Let us know

Jonny

DAVE39V8:

--- Quote from: "Jonny Boaterboy" ---I'm not sure about this but I think it takes 6 min to fill an empty tank as Mr Blues said you can't over inflate so leave it running for a while with the door open or inhibit switch on (under drivers seat) then close the door and see if it works. If you send me a PM with your address I have a very helpful few pages I found on a web sight which I can drop in the post to you, it tells you in detail how the air works and common problems and fixes

Let us know

Jonny
--- End quote ---


The pump doesnt run unless I connect it straight to battery.
Wont the ECU pick up a fault again when inhibit switch turned on :?:

PM sent.

Dave

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