Bad sounds comming from my 91 500SL - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 05-15-2012, 05:55 PM Thread Starter
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Date registered: May 2012
Vehicle: 91 500 SL
Location: Daytona Beach
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Bad sounds comming from my 91 500SL

Just picked the car up with this noise. Have had the Valve covers off and tubes are metal and capped. Motor runs smooth as it can w/ 10 month old gasoline. Great oil pressure. I have taken out the plugs and turned it over and can hear the noise. It is very loud clacking sound in the same spot in rotation of the motor, not the koe-thud of a rod. I can't help but think that a lifter has falied and it is slapping up and hitting the cam, I can't see it happening (too fast) but thats what I feel. Is there a way to tell if it is a bad lifter? Front left side of engine. Thank You
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post #2 of 2 (permalink) Old 05-15-2012, 09:22 PM
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