Vehicle & Technical > Range Rover

Air suspension pump testing.

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Range Rover Blues:
The ECU does have some programming to protect the pump from overheating but I wouldn't suggest leaving it like that indefinitely.

Do you have the old pump? if so check the switch on that one, they can be swapped around (let's face it the old pump might have been ok?).

Top Tip, if you are stripping the pump assembly remembere that the housings are alumium, so if you heat them up it's easier to drive the bearings out, I stuck mine in hot water :wink:

DAVE39V8:
The old pump does work when connected to battery so like you say it might be ok..
Would it be easier just putting that pump back on and trying it:?:

Range Rover Blues:
Yes quite frankly it would.

Carefully remove the 4 bolts in the top of the pump housing and have a look inside (if they won't budge leave them) at the state of the Teflon seal ring.  If it's paper thin don't waste your time but if there is plenty left and you can feel pressure build up when you run the pump from the battery then it's a go-er.  Tip, twist the housing as you lift it off to unstick the pump barrel inside form the head, thsi will save you having to re-fit the barrel.  Not sure what I mean? ask first :wink:

If you don't want the other pump chuck it my way :wink:

DAVE39V8:
Ok thanks again I will give the old pump a try again first and let you know how I get on :wink:


I dont fancy stripping it down the way my luck goes :oops:

Range Rover Blues:
Then just check it's building up pressure against you finger and if it does put it back on, just don't want you to spend all that time only to have it let go on you.

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