SEVERE SERVICE CONDITIONS
USING THE SEVERE DUTY
SUPPLEMENT
This supplement is intended to aid
the operators of special service or
fleet vehicles used in severe duty
or high mileage operations.
Failure to maintain your special
service vehicle properly may
restrict warranty coverage, reduce
vehicle performance and operation
and adversely affect vehicle safety.
For a detailed list of severe duty
maintenance intervals, refer to the
ªService Guideº.
Information about this guide
The information found in this
guide was in effect at the time of
printing. Ford may change the
contents without notice and
without incurring obligation.
Engine maintenance
Replace engine oil and filter every
three months or 5,000 km (3,000
miles) if your vehicle operates
under any of the following
conditions:
²Short trips of less than 16 km
(10 miles) when outside
temperatures remain below
±18ÉC (0ÉF).
²Operating during hot weather
(above 32ÉC [90ÉF])
²Towing a trailer or carrying a
heavy load.
MAX
Severe service conditions
2
²Continuously driving above
normal highway speeds.
²Driving in stop-and-go traffic.
²Operating in extremely dusty
conditions. If operating under
these conditions, the air cleaner
and emission filters must be
replaced at more frequent
intervals than normal.
²Extensive idling (such as
delivery use).
Automatic transmission
maintenance
The automatic transmission fluid
should be changed every 35,000
km (21,000 miles).
The 5R55E automatic transmission
fluid should be changed every
80,000 km (50,000 miles).
If in addition to the specified
severe duty operating conditions,
your automatic transmission may
need to be checked more
frequently if your driving habits
frequently include any of the
following:
²Using your vehicle as a
snowplow.
²Off road and 4x4 operation.
Rear axle maintenance
1
All rear axle lube quantities must
be replaced every 160,000 km
(100,000 miles)
2or anytime that
the axle has been submerged in
water. Excepting these conditions,
the lube should not require
DON'T ADD IF IN CROSSHATCHED AREA • CHECK WHEN HOT IDLING IN PARK
Severe service conditions
3
