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  #1  
Old 06-25-2007, 10:39 PM
88Black560SL
 
Join Date: Oct 2004
Location: CT
Posts: 3,535
What are all these ports for on an M120 PS Pump

I have an M-120 Engine with complete accessories and I want to put it into another car. The engine came out of a 1996 SL600 which had PS and other hydraulic stuff all apparently driven off the same pump. It looks like it may be a seperate pump for PS and another for hydraulics all in the same body.

I just want to hook up the power stearing to this pump and I would like to know which port is the inlet for PS and which is the high pressure outlet. Can anyone identify them in the attached picture.

The M-120 will be put into the car shown in the link below.
http://www.peachparts.com/shopforum/showthread.php?t=178997.

John Roncallo

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What are all these ports for on an M120 PS Pump-powerstearingpumpports.jpg  
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  #2  
Old 06-26-2007, 08:07 AM
Moderator
 
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
You have 2 leveling system ports & 2 p/s ports.

Fluid(s) must flow thru both or the pump WILL seize.
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  #3  
Old 06-26-2007, 12:16 PM
88Black560SL
 
Join Date: Oct 2004
Location: CT
Posts: 3,535
Quote:
Originally Posted by M.B.DOC View Post
You have 2 leveling system ports & 2 p/s ports.

Fluid(s) must flow thru both or the pump WILL seize.

So they are seperate pumps on one common shaft. That means Im going to need a reservoir that does nothing but feeds fluid to the leveling pump. Maybe I can modify the PS reservoir to feed both pumps.

Thank You
John Roncallo

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