Replacing timing belt

it don't have a timing belt.it has a timing chain on the 4 cyl 2.4L. IF IT'S THE 6 CYL 3.5l,THEN YES IT HAS A TIMING BELT. BUT YOU DID NOT SAY WHICH ENGINE YOU HAVE? ON THE 6 CYL 3.5L FOR THE TIMING BELT>>> Recommended replacement 105,000 miles, normal driving conditions. Recommended replacement 60,000 miles, severe driving conditions. Water pump driven by timing belt. It is recommended that you consider changing the water pump when replacing the belt. Interference engine!!