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 6.9
 6.9 strut overhaul
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WGB

Australia
252 Posts

Posted - 01/14/2012 :  19:27:57  Show Profile  Reply with Quote
Hi Ron,
Thankyou for your comments but the first point is that there are no synthetic seals in this bore that touch the wall of the cylinder - period.

Too late anyway as it has been honed and re-assembled.

With the exception of the piston and the ? Cast iron ring nothing else touches the cylinder wall - all synthetic seals are on the ?chrome plated shaft.

I have opened the other side and it has a different piston with a ring as well as a flat ?teflon seal but I will put that in another post.

I will not be touching that bore due to the synthetic seal as well as the fact that it is not as glazed and has no score marks and as well it was functioning quite well.

Bill

1979 Euro 6.9 with AMG modifications #5554
1979 450SEL plus another 1979 for spares
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bronzy935

United Kingdom
3 Posts

Posted - 08/11/2014 :  14:44:16  Show Profile  Reply with Quote
Does anyone have the measurements for the seals and o-rings in the rear struts? Are they the same as the front? I suppose not.
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karra

Finland
868 Posts

Posted - 04/12/2015 :  17:06:28  Show Profile  Reply with Quote
quote:
Originally posted by WGB

Bottom ball joint removed with a 22mm slim spanner




How do I hold against the steel cup not to turn? I want to remove the ball joint while keeping the strut on the car?

Kari Pykäläinen

1971 6.3 #5581
1980 6.9 #7201
1981 380 SL
1987 560 SEC
1996 C180 A
1998 ML 320
1980 Stingray SV175 boat
http://suomi.mercedes-benz-clubs.com/
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karra

Finland
868 Posts

Posted - 04/13/2015 :  12:57:08  Show Profile  Reply with Quote
I managed to hold the steel cup in place with a oil filter wrench, strap one not a chain one.

Kari Pykäläinen

1971 6.3 #5581
1980 6.9 #7201
1981 380 SL
1987 560 SEC
1996 C180 A
1998 ML 320
1980 Stingray SV175 boat
http://suomi.mercedes-benz-clubs.com/
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aussie 6.9

16 Posts

Posted - 11/12/2018 :  03:33:08  Show Profile  Reply with Quote
Does any body know if seal kits are still available and if so where I start to Aquire them. Regards Mark.
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daantjie

Canada
1080 Posts

Posted - 11/12/2018 :  13:28:38  Show Profile  Reply with Quote
quote:
Originally posted by aussie 6.9

Does any body know if seal kits are still available and if so where I start to Aquire them. Regards Mark.



Those reseal kits have long since been NLA.

Daniel
1977 450 SEL 6.9
Vancouver, BC
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aussie 6.9

16 Posts

Posted - 11/13/2018 :  03:44:34  Show Profile  Reply with Quote
So is it best to dismantle the strut and try and match up the o rings etc at a hydraulic shop? Regards Mark.
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daantjie

Canada
1080 Posts

Posted - 11/13/2018 :  10:07:50  Show Profile  Reply with Quote
That or cut to the chase and send them to Martin Werminghausen for refurbishment.

Daniel
1977 450 SEL 6.9
Vancouver, BC
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