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Hello Woody,
thanks for the video.
Noise seems to be louder on the right side of the car. I would say it comes from the valvetrain.
Sounds like this could be a hydraulic lifter problem. If it doesn't go away if the engine is warmed up and you've changed your engine oil lately you should go into that.
There are 2 ways an hydraulic lifter can fail. 1 it's worn mechanically. 2 it's oil lines are clogged. In second case you could try an engine flush. There are special products that clean the engine internally. You have to put them in the engine oil, let the engine idle for about 1 minute and than have to change the complete engine oil. Sometimes this helps to get hydraulic lifters back to work, but no guarantee. A proper repair would be to pull the engine and inspect the valve train and hydraulic lifters.
Hope that helps…
Regards, Markus
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