WA6VQP
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5/23/2019 11:36 AM
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Clayton,
It looks like they can be rebuilt. Mercedes Source has videos, and a Google search shows rebuilt units available from various sellers, and there are even mentions of rebuild kits. This should be do-able...
Regards,
Jim
1979 450SEL 6.9 (Black/Safran)
1987 560SL (Red/Palomino)
Driven with "old man" sheepskin covers!
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Clayton
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5/22/2019 9:55 PM
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Still suck with the SLS pump spitting fluid. Our latest theory is that the inner seals after time dry out and leak. The curve ball is that when the engine warms up, they don't and when cold....gusher! I don't know how to separate the 2 metals and replace the inner seals so, the next option is to buy a rebuilt one. Is there a rebuilder that does the whole sha-ban-a-bang? If I buy an eBay replacement, the seals are still some 30 years old.
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mpmorris
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10/30/2018 12:31 PM
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Clayton --what an effort -glad you got it resolved! Great to see you at Lode Fest
mpm
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Clayton
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10/24/2018 10:52 PM
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Just when I thought I had my suspension all figured out, I sprung a leak from the SLS pump. I had replaced it before only to continue with the leak. All during Lodefest, the pump spit out fluid from what looked to be the return line fitting (we all know the wind from the fan can make it difficult to pinpoint the exact spot). My focus was on the seat connection between the low pressure pipe fitting and the SLS pump cap. We (Mike Morris, Onager Mercedes and myself) spend hours trying to fix the issue. New pipe fitting, new O-ring, new rear seal...even entertained the idea that the Allen bolts might be bottoming out not allowing the cap an even seal and a cracked cap at the threads. We finally determined the hidden seals/ O-rings? in between the aluminum housing and the steel inner core had hardened thus allowing fluid to seep out. Sometimes the replacement part can be as bad as the part be replaced. All dry now.....whew! Mentally gave up twice but somehow found a 3rd effort that paid off.
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