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post #1 of 8 (permalink) Old 06-17-05, 03:01 AM
90ninety
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Power steering leak

Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently from
under the top plate (lid) of the box. I have taken the top off and the seal
seems okay. Problem seems to be getting worse, drip is now a flow! Could
there be too much pressure in the system or just a faulty top seal???
BTW bought a seal kit from paddocks. The seal I want is
malformed!!!! Will returm it today if I have time.

Stew.


 
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post #2 of 8 (permalink) Old 06-17-05, 04:01 AM
Paul - xxx
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Re: Power steering leak

90ninety came up with the following;:
> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently
> from under the top plate (lid) of the box. I have taken the top off and
> the seal seems okay. Problem seems to be getting worse, drip is now a
> flow! Could there be too much pressure in the system or just a faulty top
> seal??? BTW bought a seal kit from paddocks. The seal I want is
> malformed!!!! Will returm it today if I have time.


I find that tightening the top cover plate too much (of almost any hydraulic
system / reservoir) can deform the seal and the plate. It's one of the
areas where torque values are potentially critical.

--
Paul ...
(8(|) Homer Rules ..... Doh !!!
Byway acccess issues http://dogpoopblog.blogspot.com/
They need support http://www.rnli.org.uk/Home.asp

 
post #3 of 8 (permalink) Old 06-17-05, 05:01 AM
90ninety
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Re: Power steering leak


"Paul - xxx" <notcheckedever@hotmail.com> wrote in message
news:3hfkgsFgkh6rU1@individual.net...
> 90ninety came up with the following;:
>> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently
>> from under the top plate (lid) of the box. I have taken the top off and
>> the seal seems okay. Problem seems to be getting worse, drip is now a
>> flow! Could there be too much pressure in the system or just a faulty top
>> seal??? BTW bought a seal kit from paddocks. The seal I want
>> is
>> malformed!!!! Will returm it today if I have time.

>
> I find that tightening the top cover plate too much (of almost any
> hydraulic system / reservoir) can deform the seal and the plate. It's one
> of the areas where torque values are potentially critical.
>
> --
> Paul ...


That may be true, but the seal on the PS box is not a flat gasket type like
say a rocker cover or a water pump. It is a flat ring seal round a short
cylindrical part below the top plate. I always torque everything correctly
where possible. I wouldn't have thought it to be majorly critical in this
place as the top plate does not do the job of sealing in the fluid.

Stew.


 
post #4 of 8 (permalink) Old 06-17-05, 05:01 AM
beamendsltd
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Re: Power steering leak

In message <d8tvfc$qa4$1@news8.svr.pol.co.uk>
"90ninety" <spector_stew@yahoo.co.uk.no.spam.please> wrote:

> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently from
> under the top plate (lid) of the box. I have taken the top off and the seal
> seems okay. Problem seems to be getting worse, drip is now a flow! Could
> there be too much pressure in the system or just a faulty top seal???
> BTW bought a seal kit from paddocks. The seal I want is
> malformed!!!! Will returm it today if I have time.
>
> Stew.
>
>

It sounds like it is just the seal. Hydraulics do wierd and wonderful
things, but as far as I can see the pump is pretty much either producing
pressure or not, so it can be lower but not higher.

Richard
--
www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
Running a business in a Microsoft free environment - it can be done
Powered by Risc-OS - you won't get a virus from us!!
Helping keep Land Rovers on and off the road to annoy the Lib Dems
 
post #5 of 8 (permalink) Old 06-17-05, 06:01 AM
Paul - xxx
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Posts: n/a
Re: Power steering leak

90ninety came up with the following;:
> "Paul - xxx" <notcheckedever@hotmail.com> wrote in message
> news:3hfkgsFgkh6rU1@individual.net...
>> 90ninety came up with the following;:
>>> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently
>>> from under the top plate (lid) of the box. I have taken the top off and
>>> the seal seems okay. Problem seems to be getting worse, drip is now a
>>> flow! Could there be too much pressure in the system or just a faulty
>>> top seal??? BTW bought a seal kit from paddocks. The seal I
>>> want
>>> is
>>> malformed!!!! Will returm it today if I have time.

>>
>> I find that tightening the top cover plate too much (of almost any
>> hydraulic system / reservoir) can deform the seal and the plate. It's
>> one of the areas where torque values are potentially critical.
>>
>> --
>> Paul ...

>
> That may be true, but the seal on the PS box is not a flat gasket type
> like say a rocker cover or a water pump. It is a flat ring seal round a
> short cylindrical part below the top plate. I always torque everything
> correctly where possible. I wouldn't have thought it to be majorly
> critical in this place as the top plate does not do the job of sealing in
> the fluid.


Hence my vague FYI ... I just thought it might be worth mentioning ..

--
Paul ...
(8(|) Homer Rules ..... Doh !!!
Byway acccess issues http://dogpoopblog.blogspot.com/
They need support http://www.rnli.org.uk/Home.asp
 
post #6 of 8 (permalink) Old 06-17-05, 08:01 AM
Mike Buckley
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Posts: n/a
Re: Power steering leak

Make sure you bleed the box!

"90ninety" <spector_stew@yahoo.co.uk.no.spam.please> wrote in message
news:d8tvfc$qa4$1@news8.svr.pol.co.uk...
> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently

from
> under the top plate (lid) of the box. I have taken the top off and the

seal
> seems okay. Problem seems to be getting worse, drip is now a flow! Could
> there be too much pressure in the system or just a faulty top seal???
> BTW bought a seal kit from paddocks. The seal I want is
> malformed!!!! Will returm it today if I have time.
>
> Stew.
>
>



 
post #7 of 8 (permalink) Old 06-17-05, 03:01 PM
90ninety
Guest
 
Posts: n/a
Re: Power steering leak

Box bled, ta. Adjuted using Land Rover WSM specs.

Stew.

"Mike Buckley" <mike@nochance.com> wrote in message
news:d8uk29$t2v$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com...
> Make sure you bleed the box!
>
> "90ninety" <spector_stew@yahoo.co.uk.no.spam.please> wrote in message
> news:d8tvfc$qa4$1@news8.svr.pol.co.uk...
>> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently

> from
>> under the top plate (lid) of the box. I have taken the top off and the

> seal
>> seems okay. Problem seems to be getting worse, drip is now a flow! Could
>> there be too much pressure in the system or just a faulty top seal???
>> BTW bought a seal kit from paddocks. The seal I want is
>> malformed!!!! Will returm it today if I have time.
>>
>> Stew.
>>
>>

>
>



 
post #8 of 8 (permalink) Old 06-17-05, 03:01 PM
90ninety
Guest
 
Posts: n/a
Re: Power steering leak

I read that a pressure relief valve failure in the pump can produce over or
under pressurisation of the system.

Stew.
"beamendsltd" <beamendsltd@btconnect.com> wrote in message
news:7bba5e7c4d%beamendsltd@btconnect.com...
> In message <d8tvfc$qa4$1@news8.svr.pol.co.uk>
> "90ninety" <spector_stew@yahoo.co.uk.no.spam.please> wrote:
>
>> Hi chaps. 4-bolt adwest steering box on my ninety. It leaks consitently
>> from
>> under the top plate (lid) of the box. I have taken the top off and the
>> seal
>> seems okay. Problem seems to be getting worse, drip is now a flow! Could
>> there be too much pressure in the system or just a faulty top seal???
>> BTW bought a seal kit from paddocks. The seal I want is
>> malformed!!!! Will returm it today if I have time.
>>
>> Stew.
>>
>>

> It sounds like it is just the seal. Hydraulics do wierd and wonderful
> things, but as far as I can see the pump is pretty much either producing
> pressure or not, so it can be lower but not higher.
>
> Richard
> --
> www.beamends-lrspares.co.uk sales@beamends-lrspares.co.uk
> Running a business in a Microsoft free environment - it can be done
> Powered by Risc-OS - you won't get a virus from us!!
> Helping keep Land Rovers on and off the road to annoy the Lib Dems



 
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