TL*THE CONTACT OWNS A 2003 AUDI A4. WHILE DRIVING 38 MPH, THE CHECK ENGINE SOON LIGHT ILLUMINATED AND THE ENTIRE VEHICLE BEGAN SHAKING. THE VEHICLE HAD TO BE TOWED TO THE DEALER, BUT HAS NOT YET BEEN DIAGNOSED. THE CONTACT ALSO NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT. HE CHECKED THE VEHICLE AND DISCOVERED AN ENGINE LEAK. HE TOOK THE VEHICLE TO THE DEALER AND THEY INFORMED HIM THAT THE VEHICLE HAD BEEN REPAIRED; HOWEVER, THE CONTACT DOES NOT BELIEVE THAT ANYTHING WAS DONE TO THE VEHICLE. AN INDEPENDENT MECHANIC STATED THAT THE SHAKING WAS DUE TO THE MOTOR MOUNT. THE CURRENT AND FAILURE MILEAGES WERE 35,600.