Replacement Interval

1997 CA vehicles, replacement at 60,000 mile intervals is recommended but not required. On all 1997 models, replace every 100,000 miles (if not previously replaced). On 1998 & later CA, CT, MA vehicles replacement at 60,000 mile intervals is recommended but not required. On all 1998 & later models replace every 100,000 miles (if not previously replaced).