Maintenance and specifications – FORD 2005 F-550 v.3 User Manual
Page 288
Item
Ford part
name or
equivalent
Ford part
number
Ford
specification
Power steering
fluid and
transfer case
fluid (if
equipped)
Motorcraft
MERCON
ATF
XT-2-QDX
MERCON
Manual
transmission
(6-speed)
Motorcraft
MERCON
ATF
2
XT-2-QDX
MERCON
Automatic
transmission
TorqShift
(5–speed)
Motorcraft
MERCON
SP
ATF
2
XT-6–QSP
MERCON
SP
Windshield
washer fluid
Motorcraft
Premium
Windshield
Washer
Concentrate
ZC-32–A
WSB-M8B16–A2
1
Add 8 oz.(236 ml) of Additive Friction Modifier XL-3 or equivalent
meeting Ford specification EST-M2C118-A for complete refill of limited
slip axles. Ford design rear axles contain a synthetic lubricant that does
not require changing unless the axle has been submerged in water. Dana
rear axles also contain a synthetic lubricant but do require a change.
Refer to your Scheduled Maintenance Guide for change intervals on
Dana rear axles.
2
Ensure the correct automatic transmission fluid is used. Transmission
fluid requirements are indicated on the end of the dipstick. Check the
container to verify the fluid being added is of the correct type. Refer to
your Scheduled Maintenance Guide to determine the correct service
interval.
MERCON
, MERCON V and MERCON SP are not
interchangeable. DO NOT mix MERCON
, MERCON V and
MERCON
SP. Use of dual usage fluids in an automatic
transmission application requiring MERCON
SP may cause
transmission damage. Use of a transmission fluid other than the
recommended fluid may cause transmission damage.
2005 F250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA_English (fus)
Maintenance and Specifications
288