Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Dodge Caravan › 2003 Dodge Caravan February 4, 2012 at 11:00 am #438800 college manModerator if you rev the motor does the sound get worse? if you drive it does it sound like marbles in the engine? you only have 6,000 miles on vehicle.