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Old 01-14-2013, 04:31 PM
Phillytwotank Phillytwotank is online now
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Join Date: Aug 2011
Location: Carolina
Posts: 1,588
Are you sure it is a "knock" that you are hearing and not "nailing" (precumbustion)??
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Current fleet
2006 E320 CDI
1992 300D - 5speed manual swapped

former members
1984 300D "Blues Mobile"

1978 300CD "El Toro"
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