355-horsepower 5.3L V8 6-speed shiftable automatic 4WD
14000 mi | Added shims to motor mount. Excessive vibration at idle when warm. |
33480 mi | Updated exhaust system. Possible cure for drone at low speeds. It did improve the sound and am happy with the results. |
355-horsepower 5.3L V8 6-speed shiftable automatic RWD
32000 mi | slight vibration while in gear but stopped. There is a TSB for the motor mounts, but the dealer told me there is nothing wrong with my vehicle and it's just due to the fuel injectors... |