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4
Automatic
transmissions
that
require
MERCON
威
L
V
should
only
use
MERCON
威
L
V
fluid.
Refer
to
scheduled
maintenance
information
to
determine
the
correct
service
interval.
Use
of
any
fluid
other
than
the
recommended
fluid
may
cause
transmission
damage.
5
Dana
limited-slip
axle
(M60)
requires
8
oz.
(228
ml)
o
f
Additive
Friction
Modifier
XL-3
o
r
equivalent
meeting
Ford
specification
EST
-M2C118-A.
6
If
your
vehicle’
s
rear
axle
is
filled
w
ith
a
synthetic
rear
axle
lubricant
it
is
considered
lubricated
for
life.
These
lubricants
d
o
not
need
to
be
checked
or
changed
unless
a
leak
is
suspected,
service
is
required
or
the
axle
assembly
has
been
submerged
in
water
.
The
axle
lubricant
should
b
e
changed
any
time
the
rear
axle
has
been
submerged
in
water
.
7
Fill
Dana
rear
axles
to
1/4
inch
to
9/16
inch
(6
mm
to
14
mm)
below
bottom
o
f
fill
hole.
8
Optional
fuel
tank
55.0
gallons
(208.0L).
2009 Econoline
(eco)
Owners Guide, 1st Printing
USA
(fus)
Maintenance and Specifications
309