2003 FORD MUSTANG check transmission fluid

z
Change engine oil and install a new oil filter, lube front lower control arm and steering linkage
ball joints with zerk fittings (if equipped) every 4,800 km (3,000 miles) or 3 months.
z Inspect brake system and check battery electrolyte level (Patrol cars) every 8,000 km (5,000
miles).
z Install a new fuel filter every 24,000 km (15,000 miles).
z Change automatic transmission fluid, lubricate 4x2 wheel bearings, install new grease seals and
adjust bearings every 48,000 km (30,000 miles).
z Install new spark plugs and change transfer case fluid every 96,000 km (60,000 miles).
z Install a new cabin air filter as required.
When operating in dusty conditions such as unpaved or dusty roads:
zChange engine oil and install a new oil filter every 4,800 km (3,000 miles) or 3 months.
z Install a new fuel filter every 24,000 km (15,000 miles).
z Change automatic transmission fluid every 48,000 km (30,000 miles).
z Change transfer case fluid every 96,000 km (60,000 miles).
z Install a new engine air filter as required.
z Install a new cabin air filter as required.
When operating in off- road conditions:
z Change automatic transmission fluid every 48,000 km (30,000 miles).
z Change transfer case fluid every 96,000 km (60,000 miles).
z Install a new cabin air filter as required.
z Inspect and lubricate U- joints.
z Inspect and lubricate steering linkage ball joints with zerk fittings.
Checks and Services
Certain basic maintenance checks and inspections should be carried out at specified intervals. Any
recognized adverse condition should be corrected as soon as possible.
Maximum Oil Change Interval (Normal Schedule) z8,000 km (5,000 miles) or 6 months, whichever occurs first.
Maximum Oil Change Interval (Special Operating Conditions)
z4,800 km (3,000 miles) or 3 months.
Monthly Checks
Check each of the following items every month:
zAll interior and exterior lights.
z Tires for wear and correct air pressure. Klj . 2 ba
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z
Engine oil fluid level.
z Windshield washer solvent fluid level.
z Check and drain fuel/water separator.
Six Month Checks
Check each of the following items at least every six months:
zLap/shoulder belts and seat latches for wear and function.
z Spare tire air pressure.
z Power steering fluid level.
z Parking brake for correct operation.
z Safety warning lamps (brake, ABS, air bag, safety belt) for correct operation.
z Coolant system fluid level and correct strength.
z Battery connections. Clean if necessary.
z Clutch fluid level, if equipped.
z Windshield washer spray, wiper operation, clean all wiper blades.
z Lubricate all hinges, latches and outside locks. Inspect for correct operation.
z Lubricate door rubber weatherstrips. Inspect for excessive wear.
z Clean body and door drain holes. Inspect for clogs and obstructions.
Special Checks (Mustang Only)
Carry out the following check every 8,000 km (5,000 miles):
zAdjust clutch by lifting pedal (manual transmission Mustang only, as described in owner guide).
Normal Schedule
The following checks or procedures should be carried out for all cars, minivans, light trucks, sport
utilities, vans, 4x4s, natural gas and propane vehicles.
8,000 Km (5,000 Miles) zChange engine oil and install a new oil filter.
z Rotate tires and inspect for wear.
16,000 Km (10,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
24,000 Km (15,000 Miles)
zChange engine oil and install a new oil filter. Klj . 3 ba
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z
If equipped, inspect automatic transmission fluid level with dipstick.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system.
z Inspect wheel ends for end play and noise.
z Inspect engine cooling system and hoses.
z Inspect steering linkage, suspension and (if equipped) driveshaft and ball joints.
z Rotate tires and inspect for wear.
z If equipped, install a new cabin air filter.
32,000 Km (20,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
40,000 Km (25,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
z Drain coalescent fuel filter and replace filter (NGV).
48,000 Km (30,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system.
z Inspect wheel ends for end play and noise.
z Inspect engine cooling system and hoses.
z Inspect exhaust system and heat shields.
z Inspect steering linkage, suspension and (if equipped) driveshaft and ball joints.
z Rotate tires and inspect for wear.
z Install a new engine air filter.
z Install a new fuel filter. (See ADDITIONAL INFORMATION below.)
z If equipped, install a new cabin air filter.
z Change automatic transmission/transaxle fluid on all vehicles equipped with AX4S, 4F50N,
4R100, 4F27E. Inspect automatic transmission fluid level using dipstick on all other vehicles, if
equipped.
z If equipped, install new climate controlled seat filters (Navigator, Lincoln LS and Aviator).
ADDITIONAL INFORMATION: If vehicle is registered in California, the California Air Resources Board
(CARB) has determined that failure to install a new fuel filter at this interval will not nullify the emission
warranty or limit recall liability prior to completion of the vehicle's useful life. It is, however,
recommended that maintenance checks be carried out and recorded at the indicated intervals.
Natural gas and propane vehicles also require checking the fuel tanks and installing a new filter
(propane vehicles). 56,000 Km (35,000 Miles) Klj . 4 ba
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equipped.
z If equipped, install new climate controlled seat filters (Navigator, Lincoln LS and Aviator).
ADDITIONAL INFORMATION: If vehicle is registered in California, the California Air Resources Board
(CARB) has determined that failure to install a new fuel filter at this interval will not nullify the emission
warranty or limit recall liability prior to completion of the vehicle's useful life. It is, however,
recommended that maintenance checks be carried out and recorded at the indicated intervals.
Additional checks for natural gas and propane vehicles at this interval include inspecting fuel tanks, as
well as draining coalescent fuel filter and installing a new filter.
104,000 Km (65,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
112,000 Km (70,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
120,000 Km (75,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect automatic transmission fluid level using dipstick.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system.
z Inspect wheel ends for end play and noise.
z Inspect engine cooling system and hoses.
z Inspect steering linkage, suspension and (if equipped) driveshaft and ball joints.
z Rotate tires and inspect for wear.
z Install a new cabin air filter.
z Drain coalescent fuel filter and replace filter (NGV).
z Change green engine coolant, if equipped.
128,000 Km (80,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
136,000 Km (85,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
144,000 Km (90,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system. Klj . 6 ba
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z
If equipped, inspect automatic transmission fluid level with dipstick.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system.
z Inspect wheel ends for end play and noise.
z Inspect engine cooling system and hoses.
z Inspect steering linkage, suspension and (if equipped) driveshaft and ball joints.
z Rotate tires and inspect for wear.
z Install a new cabin air filter.
z If filled with green engine coolant, change coolant.
224,000 Km (140,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
232,000 Km (145,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect tires for wear. Rotation recommended for optimal tire life.
240,000 Km (150,000 Miles)
zChange engine oil and install a new oil filter.
z Inspect brake pads, shoes, rotors, drums, brake lines, hoses and parking brake system.
z Inspect wheel ends for end play and noise.
z Inspect engine cooling system and hoses.
z Inspect exhaust system and heat shields.
z Inspect steering linkage, suspension and (if equipped) driveshaft and ball joints.
z Rotate tires and inspect for wear.
z Install a new engine air filter.
z Install a new fuel filter. (See ADDITIONAL INFORMATION below.)
z If equipped, install a new cabin air filter.
z If filled with yellow engine coolant, change coolant or at 8 years, whichever comes first.
z Change automatic transmission/transaxle fluid and filter.
z Change rear axle lubricant on all rear wheel (RWD) vehicles.
z Install a new accessory drive belt(s) (if a new belt has not been installed within the last 100,000
miles).
z If equipped, install new climate controlled seat filters (Navigator, Lincoln LS and Aviator).
ADDITIONAL INFORMATION: If vehicle is registered in California, the California Air Resources Board
(CARB) has determined that failure to install a new fuel filter at this interval will not nullify the emission
warranty or limit recall liability prior to completion of the vehicle's useful life. It is, however
recommended that maintenance checks be carried out and recorded at the indicated intervals.
Additional checks for natural gas and propane vehicles include inspecting fuel tanks, as well as
draining and installing a new filter. Klj . 9 ba
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z
Gearshift lever
loose. z
TIGHTEN the bolts to
specification. REFER to
Section 308 - 03A for
T50D transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Gearshift linkage
rods worn or
damaged. z
CHECK the linkage
bushings for wear.
INSTALL new linkage
rods as necessary.
REFER to the
appropriate workshop
manual for the service
procedures.
z Transmission
rattling/clattering
noise— occurs in
neutral or in gear, at
idle z
Incorrect fluid level
or fluid quality. z
CHECK that the
transmission is filled to
the correct level and
with the specified fluid.
REFER to Section 308 -
03A for T50D
transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Transmission
rattling/clattering
noise— noise at idle in
neutral z
Worn or rough
reverse idler gear. z
CHECK the reverse
idler gear. REPAIR as
necessary. REFER to
Section 308 - 03A for
T50D transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Rough running
engine, cylinder
misfire. z
CHECK the ignition
system. CARRY OUT a
cylinder power test.
REFER to Section 303 -
00 .
z Excessive backlash
in gears z
CHECK the gear
backlash. ADJUST as
necessary. REFER to
Section 205 - 02A for
Ford 7.5 rear axles or
Section 205 - 02B for
Ford 8.8 integral axles.
z Worn countershaft
gears. z
REPAIR as necessary.
REFER to Section 308 -
03A for T50D
transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Transmission whine—
a mild whine at
extreme speeds or
high rpm z
Rotating
gears/geartrain. z
Acceptable noise.
z Transmission whine—
a high pitched whine,
also described as a
squeal z
Transmission gears
are worn (high
mileage vehicle). z
Result of normal gear
wear. REPAIR as
necessary. REFER to
Section 308 - 03A for
T50D transmissions or
Section 308 - 03B for
TR3650 transmissions. Klj . 42 ba
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information, REFER to
Section 205
- 00 .
REPAIR as necessary.
z Transmission
rumble/growl— noise at
all speeds in forward
gears, more
pronounced in a heavy
acceleration condition z
Damaged or worn
transmission
bearing or gears
(high mileage
vehicles). z
CHECK transmission
fluid for excessive
metal particles.
REPAIR as necessary.
REFER to Section 308 -
03A for T50D
transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Transfer case whine—
noise at all ranges z
Incorrect fluid level
or fluid quality. z
CHECK that the
transfer case is filled to
the correct level and
with the specified fluid.
REFER to Section 308 -
03A for T50D
transmissions or
Section 308 - 03B for
TR3650 transmissions.
z Worn oil pump. zDISASSEMBLE the
transfer case. CHECK
the oil pump for wear or
damage. REPAIR as
necessary.
z Under- inflated or
oversized tires. z
CONFIRM that the tires
and wheels are correct
for the vehicle. CHECK
that the tire inflation
pressures are correct.
z Transfer case
growl/rumble— noise at
all ranges (A small
amount of planetary
noise can be heard
when the transfer case
is operated in low
range.) z
Damaged or worn
bearings or
planetary gear. z
DISASSEMBLE the
transfer case. CHECK
the bearings or
planetary gear for wear
or damage. REPAIR as
necessary.
z Transfer case
scraping/grating—
noise at all ranges z
Excessively
stretched drive
chain hitting the
case. z
DISASSEMBLE the
transfer case. CHECK
the drive chain for wear
or damage. REPAIR as
necessary.
z Transfer case
howl/hum— noise at all
ranges or high range
only z
Worn or damaged
sun (input) gear,
clutch pack
(intermediate) gear
or output shaft gear. z
DISASSEMBLE the
transfer case. CHECK
the gears for wear or
damage. REPAIR as
necessary.
z Transfer case
howl/hum— noise at
low range only z
Worn or damaged
intermediate gear
and sliding gears
(clutch pack). z
DISASSEMBLE the
transfer case. CHECK
the gears for wear or
damage. REPAIR as
necessary.
z Transfer case
vibration— vibration felt
with vehicle in 4WD z
Transfer case
mounting.
z Driveshaft out of
balance.
z Excessive pinion z
Go To Pinpoint Test M . Klj . 44 ba
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flange runout.
Symptom Chart—
Transmission (Automatic) Noise/Vibration Condition
Possible Sources Action
z Rattle— occurs
at idle or at
light
acceleration
from a stop z
Damaged engine or
transmission mounts. z
CHECK the
powertrain/drivetrain mounts
for damage. REPAIR or
INSTALL new mounts as
necessary.
z A loose front exhaust
pipe heat shield. z
REPAIR or INSTALL a new
heat shield as necessary.
z Loose inspection
plate or dust cover
plate. z
CHECK for loose bolts.
TIGHTEN to specifications.
REFER to Section 307 - 01 .
z Loose flex plate to
converter nuts. z
CHECK for loose nuts.
TIGHTEN to specifications.
REFER to Section 307 - 01 .
z Whine— pitch
increases with
vehicle speed.
Starts in first
and second
gear,
decreases or
goes away at
higher gears z
Damaged or worn low
one- way clutch.
z Damaged or worn
intermediate one- way
clutch.
z Friction elements.
z Damaged or worn
planetary or sun gear. z
INSPECT the transmission
for wear or damage. REPAIR
or INSTALL new components
as necessary. REFER to
Section 307 - 01 .
z Whine— the
pitch changes
with engine
speed z
A worn or damaged
accessory drive
component. z
CARRY OUT the Engine
Accessory Test. REPAIR or
INSTALL new components as
necessary.
z Incorrect fluid level. zCHECK that the transmission
is filled to the correct level.
ADD fluid as necessary.
REFER to Section 307 - 01 .
z Partially blocked filter. zINSPECT the filter. CLEAN or
INSTALL a new filter as
necessary. REFER to Section 307 - 01 .
z Worn or damaged
torque converter. z
CARRY OUT the torque
converter service and
replacement check. REFER
to Section 307 - 01 .
z Worn or damaged
front pump. z
INSPECT the front pump.
INSTALL a new front pump
as necessary. REFER to
Section 307 - 01 .
z Whine— pitch
changes with
vehicle speed z
Speedometer cable
or gears. z
REPAIR or INSTALL new
cables or gears as necessary.
z Whine/moan
type noise—
pitch increases
or changes
with vehicle
speed z
Damaged engine or
transmission mount. z
CHECK the
powertrain/drivetrain mounts
for damage. CARRY OUT
Powertrain/Drivetrain Mount Neutralizing in this section.
z U-joints worn or zINSPECT the U- joints for Klj . 45 ba
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