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#1
10-03-2010, 11:08 AM
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16v SLS pump leak question
It looks like I have a leak at the pump for the SLS system. I cleaned everything off and it looks like I have a leak on the return side line. Is the one on the bottom side of the pump that hooks up the soft line going to the bottom of the reserve tank. As far as I can tell, it looks like it is coming out at the point where the metal elbow comes out of the pump. I tightened the O clamp on the hose and I do not think it's coming out of that hose (that hose is new).
I am assuming that the back of the pump is sealed and that hydro fluid could not leak out the back. So is there a O ring at where the metal elbow goes into the pump? Do I need to take the pump off to replace the elbow? Any ideas? Thanks
__________________
Sent from an agnostic abacus 2014 C250 21,XXX my new DD ** 2013 GLK 350 18,000 Wife's new DD** - With out god, life is everything. - God is an ever receding pocket of scientific ignorance that's getting smaller and smaller as time moves on..." Neil DeGrasse Tyson - You can pray for me, I'll think for you. - When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours. 
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#2
10-04-2010, 08:16 AM
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The SLS pump mounts into an adaptor that has a gasket & o-ring.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
10-04-2010, 12:30 PM
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That much I kind of figured but since I am only leaking hydro fluid I am assuming it is not leaking from the mounting point but rather at the hose point. Do you know if the metal elbow hose has a O ring or seal that I can replace?
__________________
Sent from an agnostic abacus 2014 C250 21,XXX my new DD ** 2013 GLK 350 18,000 Wife's new DD** - With out god, life is everything. - God is an ever receding pocket of scientific ignorance that's getting smaller and smaller as time moves on..." Neil DeGrasse Tyson - You can pray for me, I'll think for you. - When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
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#4
10-05-2010, 08:17 AM
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No o-ring there, only a flare fitting.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#5
10-05-2010, 05:15 PM
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Are these prone/likely to leak? I cleaned it down and I cannot see any where else where it could come from. Do I need to take the pump off to replace it or can I do it with it on the car?
__________________
Sent from an agnostic abacus 2014 C250 21,XXX my new DD ** 2013 GLK 350 18,000 Wife's new DD** - With out god, life is everything. - God is an ever receding pocket of scientific ignorance that's getting smaller and smaller as time moves on..." Neil DeGrasse Tyson - You can pray for me, I'll think for you. - When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
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