new member,just bought an 2003 is200 automatic,75,000 on the clock.full lexus dealership (LEXUS SHEFFIELD)service history till 2010.years 2010/2011 blank.book says cam belt change at 100,000 miles.is this right?conntacted lexus sheffield no record of cam belt change.do i change cam belt now?also do i need to change water pump as well or will this be ok?please help 1 worried new lexus owner. :eerrrmm: :eerrrmm: