2003 FORD MUSTANG Workshop Manual

oil capacities service interval auxiliary battery location fuse air filter fuel filter location

Page 2385 of 4378

FORD MUSTANG 2003 Workshop Manual ·
Seals, piston damaged ·
Inspect for damage. Repair as required. ·
Check ball missing or
damaged ·
Friction elements damaged
or worn Low/Reverse Band
·
Band, servo, anchor pins
dama

·
Seals, piston damaged ·
Inspect for damage. Repair as required. ·
Check ball missing or
damaged ·
Friction elements damaged
or worn Low/Reverse Band
·
Band, servo, anchor pins
damaged or worn ·
Inspect for damage. Repair as required.
Engagement Concern: Harsh Reverse Possible Component Reference/Action
203 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, TFT sensor, EPC
solenoid ·
Carry out Self-Test; refer to the Powertrain Control/Emissions
Diagnosis (PC/ED) manual for diagnosis and testing of the
Powertrain Control System. Carry out engagement test, EPC test
and Go To Pinpoint Test B or
Go To Pinpoint Test D . Check idle
speed. Repair as required. Clear DTCs, road test and repeat Self-
Test. 303 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Engine Driveline
·
Looseness in the
driveshaft, U- joints or the
engine mounts ·
Repair as required. Shift Linkage
·
Damaged or incorrectly
adjusted ·
Inspect and repair as required. Verify transmission shift cable
adjustment; refer to Section 307 - 05 . Adjust transmission shift
cable as necessary. After repairing transmission shift cable, verify
that the digital TR sensor is correctly adjusted. Adjust the digital
TR sensor as necessary. Incorrect Pressures
·
High line pressure, high
EPC pressure ·
Check pressure at line and EPC pressure taps; refer to Line
Pressure Chart for specifications. If high, check the following
components: main controls, oil filter and seal assembly. Fluid Filter and Seal
Assembly
·
Plugged or damaged ·
Install a new filter and seal assembly. ·
Filter seal damaged Main Controls
·
No. 6 shuttle ball, No. 5
check ball, manual valve,
main regulator valve stuck,
damaged or missing ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. Klj . 6 ba
312003 Mustang Workshop Manual
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Page 2386 of 4378

FORD MUSTANG 2003 Workshop Manual ·
Gasket damaged ·
Inspect for damage and install a new gasket. ·
EPC solenoid stuck or
damaged ·
Inspect for damage, contamination. Carry out EPC test in Routine
No. 203. Repair as requi

Page 2387 of 4378

FORD MUSTANG 2003 Workshop Manual the engine mounts
Incorrect Pressures
·
High forward clutch
pressure, high line
pressure, high EPC
pressure ·
Check pressure at line, EPC and forward pressure taps. Refer to
Line Pressure C

the engine mounts
Incorrect Pressures
·
High forward clutch
pressure, high line
pressure, high EPC
pressure ·
Check pressure at line, EPC and forward pressure taps. Refer to
Line Pressure Chart for specifications. If pressures are high, check
the following possible components: main controls, pump assembly. Main Controls
·
Main regulator valve
stuck, damaged ·
Inspect and repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. ·
EPC solenoid stuck or
damaged ·
Inspect for damage or contamination. Carry out EPC test in Routine
204. Repair as required. Case
·
2- 3 accumulator
seal/retainer stuck,
damaged ·
Inspect for damage. Repair as required. Pump Assembly
·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Porosity/cross leaks ·
Inspect for porosity/leaks. Install a new pump as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. Forward Clutch Assembly
·
Check balls missing or
damaged ·
Inspect for mislocation, poor seating, damage. Install a new forward
clutch cylinder. ·
Friction element
damaged or worn ·
Inspect for damage. Repair as required. ·
Forward clutch wave
spring damaged ·
Inspect for damage. Repair as required. ·
Forward clutch return
spring damaged ·
Inspect for damage. Repair as required.
Engagement Concern: Delayed/Soft Reverse Possible Component Reference/Action
205 —
ELECTRICAL
ROUTINE ·
No Electrical Concerns 305 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Shift Linkage
·
Damaged or incorrectly
adjusted ·
Inspect and repair as required. Verify transmission shift cable
adjustment; refer to Section 307 - 05 . Adjust transmission shift cable
as necessary. After repairing transmission shift cable, verify that the
digital TR sensor is correctly adjusted. Adjust the digital TR sensor Klj . 8 ba
312003 Mustang Workshop Manual
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Page 2388 of 4378

FORD MUSTANG 2003 Workshop Manual as necessary.
Incorrect Pressures
·
Low reverse clutch
pressure, low reverse
band pressure, low line
pressure ·
Check pressure at line tap; refer to Line Pressure Chart for
specifications.

Page 2389 of 4378

FORD MUSTANG 2003 Workshop Manual Possible Component Reference/Action
206 —
ELECTRICAL
ROUTINE ·
No Electrical Concerns 306 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·

Possible Component Reference/Action
206 —
ELECTRICAL
ROUTINE ·
No Electrical Concerns 306 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Shift Linkage
·
Damaged or incorrectly
adjusted ·
Inspect and repair as required. Verify transmission shift cable
adjustment; refer to Section 307 - 05 . Adjust transmission shift cable
as necessary. After repairing transmission shift cable, verify that the
digital TR sensor is correctly adjusted. Adjust the digital TR sensor as
necessary. Incorrect Pressures
·
Low forward clutch
pressure, low line
pressure, low EPC
pressure ·
Check pressure at line, forward clutch and EPC taps; refer to Line
Pressure Chart for specifications. If pressures are low, check the
following components: oil filter and seal assembly, main controls and
pump assembly. Fluid Filter and Seal
Assembly
·
Plugged, damaged ·
Install a new filter and seal assembly. ·
Filter seal damaged Main Controls
·
3- 4 shift valve, main
regulator valve stuck or
damaged ·
Inspect and repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Gaskets damaged ·
Inspect for damage and repair as required. Case
·
2- 3 or 1- 2 accumulator,
bore damaged or stuck ·
Inspect for damage. Repair as required. Pump Assembly
·
Bolts not tightened to
specification ·
Tighten bolts to specifications. ·
Porosity/cross leaks ·
Inspect pump assembly. Repair as required. ·
Gaskets damaged ·
Inspect for damage. Repair as required. ·
No. 3 and No. 4 seal
rings damaged ·
Inspect for damage. Repair as required. Forward Clutch
Assembly
·
Seals, piston damaged ·
Inspect for damage. Repair as required. ·
Check balls missing,
damaged ·
Inspect for mislocation, poor seating, damage. Install a new cylinder
as required. ·
Friction elements
damaged, worn ·
Check for damage. Repair as required. Klj . 10 ba
312003 Mustang Workshop Manual
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Page 2390 of 4378

FORD MUSTANG 2003 Workshop Manual Shift Concerns: Some/All Shifts Missing
Possible Component Reference/Action
210 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses, PCM,
sh

Shift Concerns: Some/All Shifts Missing
Possible Component Reference/Action
210 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses, PCM,
shift solenoids, output shaft
speed (OSS) sensor, digital TR
sensor ·
Carry out Self-Test; refer to the Powertrain Control/Emissions
Diagnosis (PC/ED) manual for diagnosis and testing of the
Powertrain Control System. Go To Pinpoint Test A ,
Go To Pinpoint Test C or
Go To Pinpoint Test E . Repair as
required. Clear DTCs, road test and repeat Self- Test. 310 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Shift Linkage, Digital TR Sensor
·
Damaged or incorrectly
adjusted ·
Inspect and repair as required. Verify transmission shift cable
adjustment; refer to Section 307 - 05 . Adjust transmission shift
cable as necessary. After repairing transmission shift cable,
verify that the digital TR sensor is correctly adjusted. Adjust
the digital TR sensor as necessary. ·
Refer to the following shift routine(s) for further diagnosis:
„ Shift 1- 2, Routine 220/320
„ Shift 2- 3, Routine 221/321
„ Shift 3- 4, Routine 222/322
„ Shift 4- 3, Routine 223/323
„ Shift 3- 2, Routine 224/324
„ Shift 2- 1, Routine 225/325
Shift Concerns: Timing Concerns — Early/Late Possible Component Reference/Action
211 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, shift solenoids, EPC
solenoid, TFT sensor, OSS ·
Carry out Self- Test. Refer to the Powertrain Control/Emissions
Diagnosis (PC/ED) manual for diagnosis and testing of the
Powertrain Control System. Go To Pinpoint Test A ,
Go To Pinpoint Test C or
Go To Pinpoint Test E . Repair as required.
Clear DTCs, road test and repeat Self- Test. 311 —
HYDRAULIC/MECHANICAL ROUTINE Other
·
Tire size change, axle ratio
change ·
Verify vehicle has original equipment. Refer to Certification
Label and Safety Standard Certification Label. Changes in tire
size or axle ratio will affect shift timing. Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Powertrain Control System
·
Engine driveability concerns ·
Refer to Routine 253. Klj . 11 ba
312003 Mustang Workshop Manual
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Page 2391 of 4378

FORD MUSTANG 2003 Workshop Manual Incorrect Pressures
·
Line pressure, EPC pressure ·
Check pressure at line and EPC taps; refer to Line Pressure
Chart for specifications. If not OK, check the main controls. If
OK, refer to th

Incorrect Pressures
·
Line pressure, EPC pressure ·
Check pressure at line and EPC taps; refer to Line Pressure
Chart for specifications. If not OK, check the main controls. If
OK, refer to the shift routine(s) for further diagnosis:
„ Shift 1- 2, Routine 320
„ Shift 2- 3, Routine 321
„ Shift 3- 4, Routine 322
„ Shift 4- 3, Routine 323
„ Shift 3- 2, Routine 324
„ Shift 2- 1, Routine 325 Main Controls
·
EPC solenoid, stuck or
damaged hydraulically or
mechanically ·
Inspect for damage, contamination. Carry out EPC tests in
Routine No. 211. Repair as required. ·
Valves, accumulators, seals
stuck or damaged or
assembled incorrectly ·
Inspect for damage. Repair as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. ·
Solenoid screen blocked or
damaged ·
Clean or install a new screen.
Shift Concerns: Timing Concerns — Erratic/Hunting Possible Component Reference/Action
212 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, PCM, shift
solenoids, torque converter clutch
(TCC) solenoid, digital TR sensor,
output shaft speed (OSS) ·
Carry out Self- Test. Refer to the Powertrain
Control/Emissions Diagnosis (PC/ED) manual for
diagnosis. Go To Pinpoint Test A ,
Go To Pinpoint Test C or
Go To Pinpoint Test E . Repair as required. Clear
DTCs, road test and repeat Self- Test. ·
Poor engine performance ·
Refer to Routine 253. 312 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Main Controls
·
Valves, accumulators, seals,
assembled wrong, stuck or
damaged ·
Inspect for damage. Repair as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. ·
Solenoid screen blocked or
damaged ·
Clean or install a new screen. Torque Converter Clutch
·
Torque converter ·
Refer to Torque Converter Operation Concerns:
Cycling/Shudder/Chatter Hydraulic/Mechanical Routine
342. Specific Shifts
·
Refer to the following shift routine(s) for further diagnosis: Klj . 12 ba
312003 Mustang Workshop Manual
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Page 2392 of 4378

FORD MUSTANG 2003 Workshop Manual �„
Shift 1- 2, Routine 320
�„ Shift 2- 3, Routine 321
�„ Shift 3- 4, Routine 322
�„ Shift 4- 3, Routine 323
�„ Shift 3- 2, Routine 324
�„ Shift 2- 1, Routine 325
Shift Concerns: Feel

„
Shift 1- 2, Routine 320
„ Shift 2- 3, Routine 321
„ Shift 3- 4, Routine 322
„ Shift 4- 3, Routine 323
„ Shift 3- 2, Routine 324
„ Shift 2- 1, Routine 325
Shift Concerns: Feel — Soft/Slipping Possible Component Reference/Action
213 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, EPC solenoid, OSS ·
Carry out Self- Test. Refer to the Powertrain Control/Emissions
Diagnosis (PC/ED) manual for diagnosis and testing of the
Powertrain Control System. Go To Pinpoint Test D or
Go To Pinpoint Test E . Repair as required. Clear DTCs, road test and
repeat Self- Test. ·
Engine driveability concerns ·
Refer to Routine 253. 313 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Incorrect Pressures
·
Low line pressure, low EPC
pressure ·
Check pressures at line and EPC taps; refer to Line Pressure
Chart for specifications. If pressures are low or all shifts are
soft/slipping, go to main controls. If pressures are OK and a
specific shift is soft/slipping, refer to the following routine(s) for
further diagnosis:
„ Shift 1- 2, Routine 320
„ Shift 2- 3, Routine 321
„ Shift 3- 4, Routine 322
„ Shift 4- 3, Routine 323
„ Shift 3- 2, Routine 324
„ Shift 2- 1, Routine 325 Main Controls
·
Main regulator valve,
overdrive servo regulator
valve stuck, damaged or
assembled incorrectly ·
Inspect for damage. Repair as required. ·
EPC solenoid stuck or
damaged ·
Inspect for damage and contamination. Carry out EPC tests in
Routine 213. Repair as required. Case
·
1- 2 accumulator stuck or
damaged ·
Inspect for damage. Repair as required. Filter and Seal Assembly
·
Filter plugged, damaged ·
Inspect for damage. Install a new filter as required. ·
Seal damaged or cut ·
Inspect for damage. Replace as required. Klj . 13 ba
312003 Mustang Workshop Manual
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