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Old 09-03-2010, 12:28 PM
Shark Shark is offline
Shark
 
Join Date: Apr 2008
Location: New Jersey
Posts: 39
Vacum pump failure

last night my vacum pump failed.
I pulled it apart today and one of the check valves on the bottom was broken. I removed all pieces except for a piece of metal that was broken and went somewhere in the engine.
This pump has the old bearing style and mercedes has updated the bearing to a solid one so engine failure won't occur.
So
After rebuilding this once and it failing, Mercedes says u need a new one for 300+ dollars.
The $40 rebuild kits are not available and You wouldn't want to risk having ball bearings in your motor.
What do you guys do?
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1984 W123 300CDT
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