2003 FORD MUSTANG test G

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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Main Controls
·
No. 6 shuttle ball, manual
valve, main regulator valve, low
servo modulator valve stuck,
damaged or assembled
incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Gaskets 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 assembled incorrectly. ·
Anchor pins (case) damaged.
Shift Concerns: No Manual 2nd Gear Possible Component Reference/Action
217 —
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. 317 —
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. Main Controls
·
3- 4 shift valve, 1- 2 and 2-3
shift valve, 3- 4 capacity
modulator valve stuck,
damaged or assembled
incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Gaskets damaged ·
Inspect for damage and install a new gasket.
Shift Concerns: 1-2 Shift (Automatic) Possible Component Reference/Action
220 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, ·
Carry out Self- Test. Refer to the Powertrain Control/Emissions Klj . 16 ba
312003 Mustang Workshop Manual
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vehicle wiring harnesses,
PCM, shift solenoids,
OSS Diagnosis (PC/ED) manual for diagnosis and testing of the
Powertrain Control System. Go To Pinpoint Test A or
Go To Pinpoint Test E . Repair as required. Clear DTCs, road test and
repeat Self- Test. ·
Poor engine performance ·
Refer to Routine 253. 320 —
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. Adjust the digital TR sensor
as necessary. Incorrect Pressures
·
Intermediate clutch
pressure, line pressure ·
Check pressure at line and intermediate clutch taps; see the line
pressure chart for specifications. If not OK, check the main controls. Main Controls
·
1- 2 shift valve, stuck or
damaged ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specification. ·
Shift solenoid SSA
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. ·
Gasket damaged ·
Inspect for damage and install a new gasket. ·
No. 8 ball not seating ·
Inspect for damage. Repair as required. Case
·
1- 2 accumulator stuck or
damaged ·
Inspect for damage. Repair as required. Pump
·
Porosity/cross leaks,
balls missing, damaged
or leaking ·
Inspect for porosity/leaks, balls missing. Install a new pump as
required. ·
Gasket damaged ·
Inspect for damage and install a new gasket. Intermediate Clutch
Assembly
·
Seals damaged ·
Inspect for damage. Repair as required. ·
Piston damaged ·
Inspect for damage. Repair as required. ·
Friction elements
damaged or worn ·
Inspect for damage. Repair as required. Intermediate One-
Way
Clutch Assembly ·
Not holding or damaged ·
Inspect for damage. Repair as required. Planetary One-
Way Clutch
Assembly ·
Not overrunning or
damaged ·
Inspect for damage. Repair as required. 1-
2 Accumulator ·
Damaged accumulator ·
Inspect for damage. Repair as required. Klj . 17 ba
312003 Mustang Workshop Manual
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piston
·
Springs damaged or
broken ·
Inspect for damage. Repair as required. ·
Case bore scored ·
Inspect for damage. Repair as required.
Shift Concerns: 2-3 Shift (Automatic) Possible Component Reference/Action
221 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, shift solenoids, 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 or
Go To Pinpoint Test E . Repair as required. Clear DTCs, road test
and repeat Self- Test. ·
Engine driveability concerns ·
Refer to Routine 253. 321 —
HYDRAULIC/MECHANICAL ROUTINE 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
·
Direct clutch pressure ·
Check pressure at direct clutch tap; refer to Line Pressure
Chart for specifications. If not OK, check the main controls. Main Controls
·
2- 3 shift valve, check ball No.
9 or No. 3, solenoid pressure
regulator valve, damaged or
assembled incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Shift solenoid SSB
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. ·
Output shaft seals damaged
or cup plug leaking or missing ·
Inspect for damage and repair as required. ·
2- 3 accumulator damaged or
stuck ·
Inspect piston seal and bore for damage. Repair as required. ·
Solenoid screen (in main
control) blocked or damaged ·
Clean or install a new screen. Intermediate One-
Way Clutch
Assembly ·
Not overrunning or damaged ·
Inspect for damage. Repair as required. Output Shaft
·
Seal rings damaged ·
Inspect for damage. Repair as required. ·
Cup plug damaged or missing Klj . 18 ba
312003 Mustang Workshop Manual
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Direct Clutch Assembly
·
Seals or piston damaged ·
Inspect for damage. Repair as required. ·
Friction elements worn or
damaged ·
Inspect for damage. Repair as required. ·
Check ball not seating ·
Inspect for damage. Repair as required. ·
Return spring assembly
damaged ·
Inspect for damage. Repair as required. Case
·
Output shaft rear seals
leaking or damaged ·
Inspect for damage. Repair as required. Inspect case for
damaged seal area. If damaged, install a new case. 2-
3 Accumulator ·
Damaged accumulator piston ·
Inspect for damage. Repair as required. ·
Springs damaged or broken ·
Inspect for damage. Repair as required. ·
Case bore scored ·
Inspect for damage. Repair as required.
Shift Concerns: 3-4 Shift (Automatic) Possible Component Reference/Action
222 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, PCM, shift
solenoids, OSS, transmission
control switch (TCS) ·
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 E . Repair
as required. Clear DTCs, road test and repeat Self- Test. ·
Engine driveability concerns ·
Refer to Routine 253. 322 —
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. Adjust the digital TR sensor as
necessary. Incorrect Pressures
·
Forward clutch pressure, direct
clutch pressure, line pressure ·
Check line, direct and forward clutch pressures at
appropriate taps; refer to Line Pressure Chart for
specifications. If pressures are out of specification, check
main controls. Main Controls
·
3- 4 shift valve, solenoid pressure
regulator valve, OD servo regulator,
3- 4 capacity modulator valve, 1- 2
and 2- 3 shift valves stuck, damaged
or assembled incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to specifications ·
Tighten bolts to specifications. ·
SSA or SSB 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 Klj . 19 ba
312003 Mustang Workshop Manual
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required.
·
Gaskets damaged ·
Inspect for damage and install a new gasket. ·
OD servo rod and piston cushion
spring or seals damaged ·
Inspect for damage. Repair as required. ·
Worn or damaged OD servo anchor
pins ·
Inspect for damage. Repair as required. ·
No. 2, No. 4, No. 7 and No. 9 check
balls damaged or missing ·
Inspect for damage. Repair as required. ·
Solenoid screen blocked or
damaged ·
Clean or install a new screen. Pump
·
Porosity/cross leaks, balls missing,
damaged or leaking ·
Inspect for porosity/leaks, balls missing. Install a new
pump as required. ·
Gaskets damaged ·
Inspect for damage. Install new gaskets as required. OD Band
·
OD band and reverse clutch drum
assembly damaged, worn or
assembled incorrectly ·
Inspect for damage. Repair as required. ·
Intermediate one- way clutch
assembly damaged ·
Inspect for damage. Repair as required. Forward Clutch Assembly
·
Seals or piston damaged ·
Inspect for damage. Repair as required. ·
Friction elements worn or damaged ·
Inspect for damage. Repair as required. ·
Check ball stuck, damaged or not
seating correctly ·
Inspect for damage. Repair as required. Input Shaft
·
Seals damaged ·
Inspect for damage. Repair as required.
Shift Concerns: 4-3 Shift (Automatic) Possible Component Reference/Action
223 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle wiring
harnesses, PCM, shift solenoids,
transmission control switch (TCS) ·
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 . Repair as required.
Clear DTCs, road test and repeat Self- Test. 323 —
HYDRAULIC/MECHANICAL ROUTINE Incorrect Pressures
·
Forward clutch pressure, line pressure ·
Check line and forward clutch at pressure taps; refer to
Line Pressure Chart for specifications. If out of
specification, check the main controls. Main Controls
·
3- 4 shift valve, solenoid pressure
regulator valve, OD servo regulator, 3-
4 capacity modulator, 1- 2 and 2-3 shift
valves stuck, damaged or assembled ·
Inspect for damage. Repair as required. Klj . 20 ba
312003 Mustang Workshop Manual
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incorrectly
·
Check balls No. 2, No. 7, No. 9
damaged, missing or not seating
correctly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to specifications ·
Tighten bolts to specification. ·
SSA 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. ·
OD servo, seal, rod damaged ·
Inspect for damage. Repair as required. ·
Solenoid screen blocked or damaged ·
Clean or install a new screen. Pump
·
Porosity/cross leaks, balls missing,
damaged or leaking ·
Inspect for porosity/leaks, balls missing. Install a new
pump as required. ·
Seal rings damaged ·
Inspect for damage. Repair as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. Overdrive Band
·
OD band and reverse clutch assembly
damaged, worn or assembled
incorrectly ·
Inspect for damage. Repair as required. ·
Intermediate one- way clutch assembly
damaged ·
Inspect for damage. Repair as required. Forward Clutch Assembly
·
Seals or piston damaged ·
Inspect for damage. Repair as required. ·
Friction elements damaged, worn ·
Inspect for damage. Repair as required. ·
Check ball stuck, damaged or not
seating correctly ·
Inspect for damage. Repair as required. ·
Forward clutch piston and return
spring damaged ·
Inspect for damage. Repair as required. Input Shaft
·
Seals damaged ·
Inspect for damage. Repair as required.
Shift Concerns: 3-2 Shift (Automatic) Possible Component Reference/Action
224 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, shift solenoids ·
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 . Repair as
required. Clear DTCs, road test and repeat Self- Test. 324 —
HYDRAULIC/MECHANICAL ROUTINE Incorrect Pressures
·
Direct clutch ·
Check pressure at direct clutch tap; refer to Line Pressure Chart for
specifications. If not within specification, check the main controls. Main Controls Klj . 21 ba
312003 Mustang Workshop Manual
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·
2- 3 shift valve stuck or
damaged ·
Inspect for damage. Repair as required. ·
Check balls damaged or
missing ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
SSB 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. Intermediate One-
Way
Clutch ·
Not holding or damaged ·
Inspect for damage. Repair as required. ·
Intermediate one- way
retaining clutch snap ring
not seated ·
Inspect for damage. Repair as required. Direct Clutch Assembly
·
Seals or piston damaged ·
Inspect for damage. Repair as required. ·
Friction element
damaged, worn ·
Inspect for damage. Repair as required. ·
Check ball stuck,
damaged or not seating
correctly ·
Inspect for damage. Repair as required.
Shift Concerns: 2-1 Shift (Automatic) Possible Component Reference/Action
225 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses, PCM,
shift solenoids ·
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 . Repair as required. Clear DTCs, road test and repeat
Self- Test. 325 —
HYDRAULIC/MECHANICAL ROUTINE Incorrect Pressures
·
Intermediate clutch ·
Check pressure at intermediate clutch tap; refer to Line
Pressure Chart for specifications. If not within specifications,
check main controls and pump. Main Controls
·
1- 2 shift valve, 1- 2 accumulator
solenoid pressure regulator
valve stuck, damaged or
assembled wrong ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
SSA 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. Klj . 22 ba
312003 Mustang Workshop Manual
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