Thread: What in particular causes vacuum pump failure?
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Old 03-16-2008, 11:45 AM
t walgamuth's Avatar
t walgamuth t walgamuth is offline
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Join Date: Apr 2005
Location: Lafayette Indiana
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I don't really know what caused my failure but I suppose the bearings failed and the pump continued to work with the parts simply rubbing on each other until one wore in half.

Then that part fell into the cam chain and broke the cam chain and the pistons collided with the stationary open valves pushing them up breaking the cam and cam towers.

Then fixing just the broken stuff was going to be a couple of grand and doing the whole motor was only another three or so so I did that too.

If it happened today with what I know about the bottom end of a benz motor I would not do the bottom end, just a valve job and repair the damage and lite it off!

Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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