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  #16  
Old 09-18-2010, 10:31 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
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Quote:
Originally Posted by Craig View Post
How hard is it to drop the pan and take a look on that engine?
Very easy to pull the side pan in a 603.96.



Sixto
87 300D

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  #17  
Old 09-18-2010, 10:32 PM
sixto's Avatar
smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
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Quote:
Originally Posted by vstech View Post
has anyone gotten a 603 VP apart and seen what the bearing cage is made out of?
Isn't it plastic on the other side?

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87 300D
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  #18  
Old 09-18-2010, 11:04 PM
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Join Date: Mar 2006
Location: Sonoma Wine Country
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When I get home I'll post pictures of my original oil pump and its bearing. It appears to be in perfect shape but I replaced it anyway.
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  #19  
Old 09-18-2010, 11:07 PM
compress ignite's Avatar
Drone aspiring to Serfdom
 
Join Date: Feb 2004
Location: 32(degrees) North by 81(degrees) West
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GSXR has some great pics of Vacuum Pumps

on OM60X.XXX engines that have Imploded.(Involuntary Dis-assembly)

Congratulations!
You ARE one lucky Guy!
Looks like a change in Barometric Pressure could have resulted in Catastrophe.
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  #20  
Old 09-19-2010, 09:54 AM
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Join Date: Jan 2001
Location: Alexandria, Virginia
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I've seen two instances (my '84 TD and a friends '85 190D) of vacuum-pump failure. Both resulted in the ball-bearings winding up in the oil-pan, without engine-damage.
While having a dozen ball-bearings dumped into a rapidly-moving timng-chain is highly undesireable, there may be a good chance that the chain and gears will survive, so long as larger fragmnts of the pump-lever don't follow them into the chain.
The balls are small enough that they could pass harmlessly through openings in the chain, and with the mileage on most of our cars, chain-stretch may even allow a ball to briefly ride a sprocket without causing damage.

It would be interesting if someone could take a survey of how many pump failures have occured on thse cars without engine damage.

In any case, the new pump I installed on my TD has metal bearing cages, while the new lever-kit that I may still install on my undamaged 240 pump has plastic cages.

Happy Motoring, Mark

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