tappet noise on 40k c180

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nickid

Member
Joined
Dec 3, 2012
Messages
48
Location
NORTHERN IRELAND
Car
LIMITED EDITION 2002 MERCEDES C 230 KOMPRESSOR DESIGNO SPORT
wifes coupe is got a slight rattle from engine and louder when oil cap off. It sounds like the tappets/lifters but car has only done 40,000miles?
 
This could be the dreaded loose valve guides issue.
 
Is the oil level ok?

Can you take a vid of the noise?
 
going to do an engine flush and and new oil and filter and see if it gets any better
 
That sound (to me) like it is coming from a single valve or piston - i.e. not from all 4 together?

I would say blowing exhaust manifold, but then it shouldn't become louder with the oil cap removed.

Valve slap?
 
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How does it sound compared to this:

[YOUTUBE]6aMqUvx818k[/YOUTUBE]
 
I Used To Work In The Rag Trade; And That Sounds Like A Industrial Sewing Machine;
 
My thoughts were i have a blocked oil pick up. Going to use a good engine flush and go from there.
Does it sound like the timing chain ??
 
Last edited:
well oil change done and engine is sounding well apart from a belt of pulley wiring sound, or possibly the chain
 

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