Mileage or time passed (which-
ever comes first):
Or Months:
Or Kilometers:
Inspect drive belt; replace as nec-
essary.
Inspect wheel bearings.
Additional Maintenance
Replace engine fuel filter element.
Replace chassis mounted fuel
filter element.
Inspect the front and rear axle
surfaces. If gear oil leakage is
suspected, check the fluid level. If
using your vehicle for police, taxi,
fleet, off-road or frequent trailer
towing change the axle fluid. *
6
12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
X
X
X
X
X
X
X
X
X
MAINTENANCE SCHEDULE 339
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
7