2003 FORD MUSTANG transmission fluid

·
Damaged ·
Inspect for damage. Install new components as required.
Engagement Concern: No Reverse Possible Component Reference/Action
202 —
ELECTRICAL ROUTINE ·
No Electrical Concerns 302 —
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 reverse clutch
pressure, low reverse band
pressure, low line pressure ·
Check pressure at line pressure tap; refer to Line Pressure Chart
for specifications. If pressures are low, check the following
components: oil filter and seal assembly, main controls, reverse
servo, pump assembly, reverse clutch assembly. Fluid Filter and Seal
Assembly
·
Plugged, damaged ·
Install a new filter and seal assembly. Main Controls
·
No. 6 shuttle ball, manual
valve, main regulator valve,
1- 2 accumulator seals
stuck or damaged ·
Inspect for damage. Repair as required. ·
Loose bolts ·
Tighten bolts to specifications. ·
Gasket damaged ·
Inspect for damage and install a new gasket. Low/Reverse Servo
·
Seals (piston and cover)
damaged ·
Inspect for damage. Repair as required. ·
Servo cover retaining ring
damaged ·
Anchor pins (case)
damaged Pump Assembly
·
Loose bolts ·
Tighten bolts to specifications. ·
Porosity/cross leaks/ball
missing or leaking, plugged
hole ·
Inspect pump assembly. Install new as required. ·
Gasket damaged ·
Inspect for damage and install a new gasket. ·
No. 1 and 2 seal rings
damaged ·
Inspect for damage. Repair as required. Reverse Clutch Assembly Klj . 5 ba
312003 Mustang Workshop Manual
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·
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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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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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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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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Shift Concerns: Feel —
Harsh Possible Component Reference/Action
214 —
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. 314 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Incorrect level ·
Adjust fluid to correct level. ·
Condition ·
Inspect condition of fluid. Incorrect Pressures
·
High line pressure, high EPC
pressure ·
Check pressures at line and EPC taps. See the to Line Pressure
Chart for specifications. If pressures are high or all shifts are
harsh, go to Main Controls. If pressures are OK and a specific
shift is harsh, refer to the following 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
·
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 or contamination. Carry out EPC tests in
Routine 214. Repair as required.
Shift Concerns: No 1st Gear, Engages In Higher Gear Possible Component Reference/Action
215 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, PCM, shift
solenoids, digital transmission
range 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 or
Go To Pinpoint Test C . Repair as
required. Clear DTCs, road test and repeat Self- Test. 315 —
HYDRAULIC/MECHANICAL ROUTINE 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. Klj . 14 ba
312003 Mustang Workshop Manual
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X = pressure applied Adjust the digital TR sensor as necessary.
Incorrect Pressures
·
Low reverse clutch pressure,
low reverse band pressure, low
line pressure
z Forward Off, Intermediate
Off, Direct X
z Forward Off, Intermediate
X, Direct Off
z Forward Off, Intermediate
X, Direct X
z Forward X, Intermediate
Off, Direct X
z Forward X, Intermediate X,
Direct Off
z Forward X, Intermediate X,
Direct X
z Forward X, Intermediate
Off, Direct Off ·
Check for which pressures are on and refer to Band/Clutch
Application Chart 601 and corresponding routines.
„ 324, 301
„ 325, 301
„ 323, 324, 325, 301
„ 324
„ 325
„ 323, 324, 325
„ Refer to appropriate mechanical diagnosis. Mechanical
·
Bands, clutches or seals
damaged or worn ·
Refer to Transmission Disassembly and Assembly.
Shift Concerns: No Manual 1st Gear Possible Component Reference/Action
216 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses, PCM,
shift solenoids, 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 or
Go To Pinpoint Test C . Repair as required. Clear
DTCs, road test and repeat Self- Test. 316 —
HYDRAULIC/MECHANICAL ROUTINE Shift Linkage, Cable, 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. Incorrect Pressures
·
Low reverse clutch pressure,
low reverse band pressure, low
line pressure, low EPC
pressure ·
Check pressure at line and EPC pressure taps; refer to Line
Pressure Chart for specifications. If pressures are low, check
the following components: oil filter and seal assembly, main
controls, reverse clutch assembly and reverse servo
assembly. Fluid Filter and Seal Assembly
·
Plugged or damaged ·
Install a new filter and seal assembly. Klj . 15 ba
312003 Mustang Workshop Manual
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·
No end clearance ·
Inspect converter and install a new or remanufactured torque
converter as required. ·
Piston plate damaged or stuck
to cover ·
If cover is heat- stained, install a new converter and determine
the cause of the overheat condition.
Torque Converter Clutch Operation Concerns: Cycling/Shudder/Chatter Possible Component Reference/Action
242 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, PCM, torque
converter clutch (TCC) 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 E . Repair as required. Clear
DTCs, road test and repeat Self- Test. ·
Speed control equipped vehicles ·
Evaluate with speed control off. 342 —
HYDRAULIC/MECHANICAL ROUTINE Fluid
·
Condition ·
Inspect fluid condition. If burnt, drain fluid and converter.
Install a new fluid and filter assembly. Bring vehicle to
normal operating temperature. Carry out Transmission
Drive Cycle Test. Carry out Transmission Self- Test. If
condition still exists, continue diagnostics. Main Controls
·
Solenoid pressure regulator valve,
No. 7 check ball, bypass clutch
control valve and plunger, converter
pressure limit valve stuck, damaged
or assembled incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to specifications ·
Tighten bolts to specifications. ·
Solenoid screen blocked or damaged ·
Clean or install a new screen. ·
TCC solenoid malfunction ·
Activate solenoid using scan tool. If solenoid operation
cannot be felt when placing hand on solenoid, install a
new solenoid. Inspect O- rings for damage. Repair as
required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. Pump Assembly
·
Bolts not tightened to specification ·
Tighten bolts to specification. ·
Porosity/cross leaks, missing balls or
leaking ·
Inspect for porosity/leaks or missing balls. Install a new
pump as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. Input Shaft
·
Seals damaged ·
Inspect for damage. Repair as required. Torque Converter
·
Excessive end clearance ·
Inspect converter. Install a new or re- manufactured
torque converter as required.
Other Concerns: No Engine Braking In Manual 2nd Or Manual 1st Position Klj . 25 ba
312003 Mustang Workshop Manual
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