4.3 engine sounds like bearings are going out and the engine fan is wobbling all over but it dont fell loose also has no power and a dead miss I did a tune up but didnt help

Randy, January 2008

Sounds like two different problems. The noise and the wobbly fan could be a worn out waterpump. The dead miss (and resulting power loss) could be an oil fouled sparkplug on a high mileage engine. Sometimes you can pull off one plug wire at the time to see which one is fouled.

W.D. White, January 2008