[xj40] Green blood

XJ40
1

Hi All,

I seem to recall a post on here before but can’t find it now. It
was something to the effect that if the rear SLS were replaced with
standard shock conversion, you could then use REGULAR power-
steering fluid in the car.

If this is correct, what is the proper procedure for flushing the
power steering system and replacing with standard power steering
fluid?

At $12.00 a qt, the green stuff is too expensive. I know, I know, I
do need to replace the leaky rack, but won’t have time for another
month or so.–
Joe B. '92 XJ40 Sovereign (4.0L)
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2

In reply to a message from Duh…XJ40! sent Mon 24 Oct 2005:

Joe,

Plenty of information in the XJ40 list archives on this subject.

Here is one example:-

The original message included these comments:

I seem to recall a post on here before but can’t find it now. It
was something to the effect that if the rear SLS were replaced with
standard shock conversion, you could then use REGULAR power-
steering fluid in the car.
If this is correct, what is the proper procedure for flushing the
power steering system and replacing with standard power steering
fluid?

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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3

In reply to a message from Duh…XJ40! sent Mon 24 Oct 2005:

Maybe I’m wrong for doing so, but when I converted my system, I
didn’t flush the old stuff out. I just added power steering fluid
& it’s working fine. That was about 1 1/2 years ago.–
WCManess - 1991 XJ40/6 Base - Black/Grey
Arlington/Texas, United States
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4

In reply to a message from wcmaness sent Mon 24 Oct 2005:

Wes,

Sure you can do that - but why leave your car exposed to leaks from
a whole bunch of redundant power hydraulics junk in the form of the
hydraulic pump, the Girling valve and all the associated plumbing?

In fact, I did the simple thing some years ago - I ripped out the
leak-prone power hydraulics stuff and retained the HSMO (green
blood) for just the power steering. No problems and no leaks and
never needed to buy any more HSMO.–
The original message included these comments:

Maybe I’m wrong for doing so, but when I converted my system, I
didn’t flush the old stuff out. I just added power steering fluid
& it’s working fine. That was about 1 1/2 years ago.

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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5

In reply to a message from Bryan N sent Mon 24 Oct 2005:

I didn’t phrase it correctly - I mean yes - I removed all the old
hydraulics not associated with power steering. The only thing I
did not do is flush out all the old green fuild from the power
steering unit & reservoir. I agree - no need to keep all the old
useless hydraulics stuff. I just didn’t remove all the old fluid.–
WCManess - 1991 XJ40/6 Base - Black/Grey
Arlington/Texas, United States
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6

Only on the 90 up federal cars others may differ

Bryan N wrote:

In reply to a message from Duh…XJ40! sent Mon 24 Oct 2005:

Joe,

Plenty of information in the XJ40 list archives on this subject.

Here is one example:-

Jag-lovers Forums - Jag-lovers

The original message included these comments:

I seem to recall a post on here before but can’t find it now. It
was something to the effect that if the rear SLS were replaced with
standard shock conversion, you could then use REGULAR power-
steering fluid in the car.
If this is correct, what is the proper procedure for flushing the
power steering system and replacing with standard power steering
fluid?

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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7

I did exactly the same two or three years ago with no ill effects

David Hurlston
ViaData LP-----Original Message-----

I didn’t phrase it correctly - I mean yes - I removed all the old
hydraulics not associated with power steering. The only thing I
did not do is flush out all the old green fuild from the power
steering unit & reservoir. I agree - no need to keep all the old
useless hydraulics stuff. I just didn’t remove all the old fluid.

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8

In reply to a message from Jay sent Mon 24 Oct 2005:

Jay,

You will note (if you read the entire thread - always pays!) that
Joe B’s car is a '92 model - otherwise I would not have responded
the way I did, were it a pre-'90 model.

It is not exclusive to Federal cars either, ANY '90 and subsequent
car originally with the Power Hydraulics system can be modified in
that manner after removal of the SLS because they have the Teves
brake boost system.–
The original message included these comments:

Only on the 90 up federal cars others may differ

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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9

In reply to a message from Bryan N sent Mon 24 Oct 2005:

Jaguar told me a number of years ago that cross contamination
would be harmful to the seals, when they replaced a rack for me
and the s/l had been removed they refilled with power steering
fluid.however I am still using the hmso fluid on the brake side as
I have a seperate tank. hs.–
h s law
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10

In reply to a message from h s law sent Mon 24 Oct 2005:

i have an 89 xj40, and always used green fluid for brakes/? and
tranny fluid in the steering. is this correct or do I need green in
the steering too? or should I do a search?–
jrinam
zelienople,pa., United States
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11

Bryan,

Thank you for the clarification of your post. I agree but don’t save
threads and you did not attach it or mention the word 92 MY in your reply.

My comment was made in an abundance of caution just in case others
reading you truncated post should not be aware there are major
differences between the 86-89 and the 90-94 cars regarding brakes, ABS,
PS and SLS.

I did not say it was exclusive to federal cars. I said my knowledge was
with regard to federal cars since in the past I have been advised by you
to qualify my comments. Please read my post again and let me know where
you find the word “exclusive” in it or connected to Federal Spec.

Thanks

Jay

Bryan N wrote:

In reply to a message from Jay sent Mon 24 Oct 2005:

Jay,

You will note (if you read the entire thread - always pays!) that
Joe B’s car is a '92 model - otherwise I would not have responded
the way I did, were it a pre-'90 model.

It is not exclusive to Federal cars either, ANY '90 and subsequent
car originally with the Power Hydraulics system can be modified in
that manner after removal of the SLS because they have the Teves
brake boost system.

The original message included these comments:

Only on the 90 up federal cars others may differ

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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12

In reply to a message from Jay sent Tue 25 Oct 2005:

Jay,

For goodness sake STOP digging!

The purpose of my original post which prompted your original
comment, was solely to provide a link to a detailed response I
had made to a previous question about the removal of the redundant
power hydraulics system.

Clearly you had not even bothered to read that link before your
reply, otherwise you would have known that I was talking
about '90 and subsequent cars with the Teves brake system from this
paragraph:-

'‘Since your car is a ‘90, it has the Teves brake system, so, if
your SLS has been converted to standard rear suspension you are now
in the wonderful position of being able to remove all of the
redundant power hydraulics stuff you no longer need.’’

I would hardly call my original post ‘truncated’ since anyone who
wanted to know what I was talking about would have HAD to access
that link to read a lengthy post on the subject.

It’s a pity you didn’t do the same.

As to your ‘Federal cars’ denial (!) - what part of your
statement ‘‘Only on Federal cars …’’ don’t you understand?

In my version of the English language, ‘Only’ infers a certain
degree of exclusivity!–
The original message included these comments:

Thank you for the clarification of your post. I agree but don’t save
threads and you did not attach it or mention the word 92 MY in your reply.
My comment was made in an abundance of caution just in case others
reading you truncated post should not be aware there are major
differences between the 86-89 and the 90-94 cars regarding brakes, ABS,
PS and SLS.
I did not say it was exclusive to federal cars. I said my knowledge was
with regard to federal cars since in the past I have been advised by you
to qualify my comments. Please read my post again and let me know where
you find the word ‘‘exclusive’’ in it or connected to Federal Spec.

–
Bryan N, '91 Sovereign 4.0 L, (RHD)
Cambridge, United Kingdom
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13

In reply to a message from jrinam sent Tue 25 Oct 2005:

you’re doing it just right … btw, do NOT put HMOS fluid in
your (pre-'90) power steering system (and if you have a leak, why
would you - it costs so much more $s than tranny fluid)!–
The original message included these comments:

I have an 89 xj40, and always used green fluid for brakes/? and
tranny fluid in the steering. is this correct or do I need green in
the steering too? or should I do a search?

–
&:-)) Paul '88 XJ6 VDP 130k & '88 XJ6 VDP 180k
Garland, Texas, United States
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