Thread: 300CD engine
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Old 08-21-2010, 05:28 AM
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Join Date: Apr 2005
Location: Lafayette Indiana
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Quote:
Originally Posted by blackmerc View Post
Hello,

I have changed the filters and the strainer; I have rebuilt the turbo; put in a new radiator and water pump; I have put in a new chain and injectors. I have adjusted the injection pump and valves.

The car has 200,000 miles on it. It has some blow-by.

But why does it slow so much on an incline? Why does the temperature rise on hills or when it goes above 80? Why is there so little kick-down? Are some engines simply born weak and others strong?

If I need to rebuild this engine, is a valve job enough or does it need to come out for rings and pistons...
Nothing you mention necessarily indicates a mechanical problem.

Have you had other benz turbodiesels?

All of these things if not excessive could be within the normal operating of a 300d motor. If excessive though could be indicative of a problem.

A compression test should give some good information.
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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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