2003 Cadillac Deville Tapping

2003 CADILLAC DEVILLE

69,500 MILES • V8 • FWD • AUTOMATIC

BOB-O-105

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I have an 03 Deville DHS and about 3-5 minutes after startup i get a tapping noise, The car has always ran Mobil 1 5-w-30 from day 1 and has been well maintained. do you think some Marvel Mystery Oil could help?

Nov 12, 2009 at 8:54 AM

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