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Member
Joined: Aug 28 2020
Posts: 8

Good Day,

My 2000 RR is stuck at Access Height. I have no faults showing up.

Pressure is sitting at 58 lbs(the PO put a pressure gauge in the engine compartment). No leaks that I can see, hear or feel. The pump runs but doesn't seem to be filling the tank.

I have the RSW software and took a look at that today. There are no faults showing. I'm going to let the RR idle with a door open to see if this time it will build pressure.

But any ideas as to what is going on?

Thanks,
jastutte

Member
Joined: Aug 19 2019
Posts: 223

I don't think it will move until you get closer to 100psi.

Member
avatar
Joined: Dec 30 2015
Posts: 4921

Sounds like the pump is worn out, as said, you need at least 100psi before there's enough pressure to lift the weight of the car but the system runs at around 150psi.

Member
Joined: Aug 28 2020
Posts: 8

thanks for the quick responses.

my suspicion was that the pump was getting weak.

i will get a replacement and save the current pump for a possible rebuild.

Member
Joined: Aug 28 2020
Posts: 8

Ordered a new (used) pump from Will Tillery. Highly recommend him if you are in the U.S. and need parts.

To stay on the road I was able to tap into the line going to the tank and fill it from 60 PSI to 140 PSI.

I then turned on the RR and it quickly rose to normal height.

Turned it back off and topped off the air tank to get it back up to 140 PSI.

Then turned the RR back on, pushed the height lock button and shut it back off.

This should keep me on the road until the new pump arrives.

Thanks again for your help.

Member
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Joined: Dec 30 2015
Posts: 4921

Pressing the inhibit button won't stop it if you have any slight leaks or if it is parked on uneven ground so it self levels. Take the timer relay out from under the LH seat when not in use to stop it trying to self level.

Member
Joined: Aug 19 2019
Posts: 223

Sounds like you're on the right track.
I've also ordered parts from Will, and would also certainly recommend him.

Member
Joined: Aug 28 2020
Posts: 8

i don't have the Timer Relay plugged in.

i have a standard four plug relay in there instead.

and i can check the tank pressure every morning until the pump arrives and top it off if needed.

i'm almost 100% certain i have no air leaks presently.

and the Inhibitor button is there to keep others from changing the ride height when i'm not in the Rover.

Member
Joined: Apr 23 2019
Posts: 572

**jastutte wrote

and the Inhibitor button is there to keep others from changing the ride height when i'm not in the Rover

How do you figure that ? Even a chimp can depress the latch button, especially if it has a light saying "press me" on it. Best to pull the relay if you have inquisitive occupants

Member
Joined: Sep 01 2020
Posts: 5

jastutte wrote:

i don't have the Timer Relay plugged in.

i have a standard four plug relay in there instead.

and i can check the tank pressure every morning until the pump arrives and top it off if needed.

i'm almost 100% certain i have no air leaks presently.

and the Inhibitor button is there to keep others from changing the ride height when i'm not in the Rover.

You'll soon see in the morning if you have a standard relay in there. Any leaking bag and it will be down on that corner. You'll have no diagnostics for EAS either.

The tank feed has been known to leak where exhaust leaks and melts the pipe above. Rarer is the air-dryer leaking or NRVs in the valve block.