1995 Range Rover LWB

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Mike14k - 30 Mar 2006 14:44 GMT

Hi, new to the group here... and new to Range Rovers.

I purchased a 1995 RR LWB last week. I've noticed that, when first
started, the brake booster compressor runs for 5-10 seconds before the
brake light goes out. And it's a bit noisy when running. Just
curious if this is a normal operation or indicative of a leak
somewhere.

Any info would be appreciated, I'll probably have lots more questions.

M

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Nige - 30 Mar 2006 16:01 GMT

> Hi, new to the group here... and new to Range Rovers.
>
[quoted text clipped - 7 lines]
>
> M

I think you mean the air suspension compressor? The brake lioght does stay
on for a few seconds. Mine was noisy, but worked fine.

Nige

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Mike14k - 30 Mar 2006 18:53 GMT

No, I don't think it's the air suspension unit, The air bag
suspension have been replaced with springs. and the compressor
(located under the hood on the fender on the drivers side) seems to
feed the brakes as I loose brakes if I unplug the electrical to it.

But as I said, I'm new to RR's. Thanks for all advice.

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Austin Shackles - 30 Mar 2006 18:31 GMT

>Hi, new to the group here... and new to Range Rovers.
>
[quoted text clipped - 3 lines]
>curious if this is a normal operation or indicative of a leak
>somewhere.

If it's an ABS one, then you have an electric pump which pressurises the
brake system. There's a pressure accumulator on the thing (a bit like the
citroen system). If it's parked for any length of time, the pressure
gradually drops and when you start up it runs the pump 'til it's back up to
pressure. At some pressure below nominal the brake-fail light goes out. If
you actually depressurize the thing completely (apply the brakes lots with
the ignition off, for example) then it runs the pump for about a minute,
probably, to repressurise it.

same system on my 4x4 sierra...

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Austin Shackles. www.ddol-las.net my opinions are just that
Beyond the horizon of the place we lived when we were young / In a world
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