Urgently need advise (loud rattling engine noise)
Lifters have been replaced, the engine has compression and oil is running as well.
Last edited by Tj63; Mar 25, 2019 at 11:35 PM.
Lifters have been replaced, the engine has compression and oil is running as well.
https://m.youtube.com/watch?v=sIATHQ-C9jM
wow yeah def sounds horrible but upper valve train related from the sound. I want to say cam adjuster, but that is very loud. Does it ever go away? What is the year and miles? Only coming from that side?
A specialist who worked on that car before said actuators. He replaced left exhaust and right intake actuators on that car a while back.
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Maybe the flaps in the intake manifold failed. One member experienced this and reported very loud knocking.
EDIT: https://mbworld.org/forums/c63-amg-w...2007-ml63.html
Good luck.
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It doesn't look great with those little specs though....do they catch on a magnet?
I guess if you want to rule out all doubt, get your mechanic to pull the sump and wiggle the big ends of the rods....you'll have your answer if it's rod knock or anything else less sinister.
stop driving the car and remove the engine and remove oil pan to see what happen on rod bearing or crank...
really sad time ...











