I have a 1995 cadillac sedan deville with a 4.9 liter engine and 100550 miles. About 800 miles ago I had the plugs and oil changed. The valves rattled on acceleration so the mechanic used an oil additive called Seafoam. It quieted the valves for a couple
have the same problem?
Tuesday, November 1st, 2011 AT 1:05 AM