Campo/Brava - every 90 000 km/60 000 miles or 6 years, whichever occurs first.
Frontera-B 3.2 V6 (6VD1-W) and Monterey 3.5 V6 (6VE1) - every 120 000 km/80 000 miles or 8 years, whichever occurs first.
Frontera-B 2.2 16V (X22SE and Y22SE) - every 60 000 km/40 000 miles/4 years.
Monterey DTI 16V (4JX1) - every 180 000 km/120 000 miles.
Replace the timing belt, see directions in the Service Instructions.