PeachParts Mercedes-Benz Forum
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PeachParts Mercedes-Benz Forum (http://www.peachparts.com/shopforum/)
-   Diesel Discussion (http://www.peachparts.com/shopforum/diesel-discussion/)
-   -   Considering purchase of a 1987 300D, what to look for? (http://www.peachparts.com/shopforum/diesel-discussion/257262-considering-purchase-1987-300d-what-look.html)

babymog 09-22-2009 05:05 PM
Looks like the original VP.

awsrock 09-22-2009 07:32 PM
Nice car; looks just like mine!

a2t 09-22-2009 09:40 PM
same VP in my 87 300D. 305k miles on it. guess i should think about changing it?

babymog 09-23-2009 10:39 AM
That is the common wisdom here.

Crazy_Nate 09-23-2009 10:55 AM
Here's what I've found on the vacuum pump:

OM603: Vacuum pump explosion, bearing intact! Injection Pump Timing device wrecked
Look what came out of my oil pan today (bearings)
How to replace a 603 vacuum pump. (SDL)
"New style" OM603 vacuum pumps may not be "safe" (pictures of vacuum pumps, shows visible differences)
vacuum pump in OM603 (recommended life on vacuum pump)

After seeing what could happen, I'll sleep better knowing my pump is new :cool:

sixto 09-24-2009 01:33 PM
Quote:
Originally Posted by Crazy_Nate (Post 2299511)
Are the differences in gaskets something you can discern while purchasing, or will I notice it when I have the pumps side by side and have to make a decision then?
Early engines require the dam gasket, the rest can use the outline gasket. IIRC non-MB label Pierbergs come with the dam gasket which should be fine for any engine. The instructions with non-MB label Pierbergs say to ditch the basket behind the vacuum pump. You have to ditch the basket when installing the dam gasket. You can keep the basket with the outline gasket. Say that three times quickly.

http://www.w124performance.com/image...mp_gaskets.jpg

Sixto
87 300D

a2t 09-28-2009 12:11 AM
how common is this failure on 603s?


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