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MECHANICALS With a 30 year-old automobile, there will always be discussion here - maintenance, modifications and mechanicals.

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  #106  
Old 18th June 2014, 09:14 AM
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Default Re: Sphere longevity

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Originally Posted by Oversize View Post
Like ATF, even if hydraulic oil has become aerated it will self-bleed if the air/gas can escape to the atmosphere. In the SLS system it can be a problem as it doesn't constantly circulate the fluid through the whole system. Strange that I've heard it's self-bleeding, yet they still included bleed nipples?

ATF only takes 10minutes or so to rid itself of unwanted air and I doubt hydraulic oil would take much longer since the viscosity is similar.

Imparts and HSY sell OEM fluid for around $15 per litre (last time I checked) however they only sell to those in the industry, not retail to car owners.

I have it on good authority that Nulon ISO32 is almost the same as OEM SLS fluid and if you buy 20L from Supercheap you'll pay around $5 per litre.

http://www.nulon.com.au/products/Hyd.../#.UgOIzlR--71

If I'm right you can thank me later...
I ended up taking back the Nulon as I felt it was too thick.....
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01 Ford AU 5L (Deep Blue)
89 560L#322020
88 500L#451660-P
88 420L#422477-P
87 420L#324309-P
87 420L#-P
88 420L Euro#-P
88 420L#-P
86 560L#235896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora)
77 450L#067010-P
75 450L#028414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #107  
Old 18th June 2014, 09:30 AM
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Default Re: Sphere longevity

Ok good to know i think i will try Penrite mb15 when i change oil or spheres .
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  #108  
Old 22nd June 2014, 10:15 AM
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Default Re: Sphere longevity

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Originally Posted by Styria View Post
Mark, you have had an exceptional life span from your Air Cells. I tend to think, and I am confident in stating so, what you bought in 2001 is no longer available today. I can take my mind back to when the cells were originally replaced when I first bought Gleaming Beauty - I had a longevity span of about ten years. Are you now starting to need new ones ? Just as a matter of interest.

It would be of great interest also, to me anyway, what you think of 6.9 ownership. Your likes and dislikes, reliability and/or lack thereof etc. etc. If you can make the time........ Regards Styria
Mine have been changed eight years ago and still feel terrific.
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  #109  
Old 22nd June 2014, 10:57 AM
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Default Re: Sphere longevity

Hi Michel all 5 off mine were done in 2011. I was just concerned about fluid leaking out of the reservoir when car was lowered will not know till I get to drive it I guess.
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  #110  
Old 24th June 2014, 12:14 AM
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Default Re: Sphere longevity

Whatever happened to Mike?
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Mark

01 Ford AU 5L (Deep Blue)
89 560L#322020
88 500L#451660-P
88 420L#422477-P
87 420L#324309-P
87 420L#-P
88 420L Euro#-P
88 420L#-P
86 560L#235896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora)
77 450L#067010-P
75 450L#028414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #111  
Old 24th June 2014, 01:42 AM
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Default Re: Sphere longevity

No idea he just stopped posting like Des and 300SDude.
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  #112  
Old 17th July 2014, 03:22 PM
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Question Re: Sphere longevity

After one year I am finally replacing the spheres in the 6.9.
Everything is under control but I have not been able to find the brass filter mentioned somewhere.
Can anybody tell me where this is?
Regards,
Peter
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  #113  
Old 17th July 2014, 07:02 PM
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Default Re: Sphere longevity

Hi PvD despite my erratic posting . Ask and I will help. https://mercedessource.com/problems/...sis-and-repair . Geoff
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  #114  
Old 17th July 2014, 10:13 PM
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Default Re: Sphere longevity

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Originally Posted by motec 6.9 View Post
Ok good to know i think i will try Penrite mb15 when i change oil or spheres .
You can't buy it in 20L so it's actually more $$ than the Febi oil through a good supplier
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01 Ford AU 5L (Deep Blue)
89 560L#322020
88 500L#451660-P
88 420L#422477-P
87 420L#324309-P
87 420L#-P
88 420L Euro#-P
88 420L#-P
86 560L#235896-P
79 6.9#5541 (Red Bull)
78 6.9#4248 (Skye)
79 6.9#3686 (Moby Dick)
78 6.9#1776 (Dora)
77 450L#067010-P
75 450L#028414 (Gold Nugget)-P
57 Buick 73A (Titanic)
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  #115  
Old 18th July 2014, 12:46 PM
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Default Re: Sphere longevity

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Originally Posted by motec 6.9 View Post
Hi PvD despite my erratic posting . Ask and I will help. https://mercedessource.com/problems/...sis-and-repair . Geoff
I have found the filter under the pressure regulator/level control. But I am still looking for the brass conical filter mentioned in the earlier post by WGB date 24th April 2010 regarding the suspension filter. Could it be located under the large hex plug at the top of the pressure regulator? I don't want to pull this apart to find bit flying in all directions!!!
Regards,
Peter
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  #116  
Old 18th July 2014, 12:53 PM
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Default Re: Sphere longevity

I have found the suspension filter under the pressure regulator but am wandering how if find the small brass filter mentioned by WGB in his post on 24th April 2010 in the post 'Re-Suspesion Filter'. Is this located under the large hex plug on top of the pressure regulator, I don't want to pull this apart and find things popping out in all directions!!!
Regards,
Peter
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  #117  
Old 18th July 2014, 01:50 PM
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Default Re: Sphere longevity

Hi Peter, as long as the engine is not running, oil will not spurt out everywhere. That remark applies to the Pressure Regulator only. On the Pressure Regulator, there is only one bolt type looking fitting, and it needs a 12mm socket or spanner. It faces towards the rear of the car.

That bolt is in fact a plug, and there is a rubber 'O' ring that sits in a groove. The brass filter sits inside the cavity that's sealed by the plug. It is very seldom the case that the brass filter becomes clogged, but it can happen. When refitting the sealing plug, do not tighten it completely - just a smidgen of looseness. When you start the engine, that slight looseness can assist in bleeding the system. However, have that 12mm spanner or socket ready to use and tighten the plug completely, as there is considerable pressure and hydraulic oil will find the slightest leak. BTW, if you come to remove the regulator in order to replace the internal filter, it can be quite difficult to stop leaks emanating from between the regulator and the top of the reservoir. Regards. Styria
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  #118  
Old 18th July 2014, 01:53 PM
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Default Re: Sphere longevity

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Originally Posted by motec 6.9 View Post
No idea he just stopped posting like Des and 300SDude.
Don't forget our Tony66AU. Regards. Styria.
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  #119  
Old 18th July 2014, 03:14 PM
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Default Re: Sphere longevity

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Originally Posted by Styria View Post
Don't forget our Tony66AU. Regards. Styria.
Tank you Styria.
I have every thing apart at the moment but have not touched anything inside the pressure regulator/level control, just soaked it in kero to clean.
The car only has under 100,000 miles (yes it has a miles speedo as it was an English car).
Should I bother to clean the brass filter?
The suspension all worked OK except for the bouncy ride that is why I replaced the spheres, hoses and cleaned the reservoir.
I would love to get a km speedo if anybody has a good spare?
Regards,
Peter
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  #120  
Old 18th July 2014, 03:24 PM
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Default Re: Sphere longevity

If you remove the plug, you may as well clean the brass filter. As I said, they give very little trouble, but you should replace the 'O' ring basically as a matter of normal maintenance. Mind you, if the car gave no trouble, or gives no trouble since you replaced the Air Cells, perhaps it is best to let sleeping dogs lie.

Will check for you as far as the Speedo is concerned. I am sure that you would know, but a 450 Speedometer, whilst it will obviously work, will not give you a correct speed reading. Regards Styria
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