2003 FORD MUSTANG pinpoint test b

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
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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
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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
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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
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Pump
·
Gaskets damaged ·
Inspect for damage and install a new gasket. ·
Porosity/cross leaks ·
Inspect for leak/porosity. Install a new pump as required. Intermediate Clutch Assembly
·
Piston damaged ·
Inspect for damage. Repair as required. ·
Friction elements damaged,
worn ·
Inspect for damage. Repair as required. ·
End clearance incorrect ·
Inspect and correct; refer to Transmission Assembly. Intermediate One-
Way Clutch ·
Damaged ·
Inspect for damage. Repair as required. ·
Intermediate one- way clutch
retaining snap ring not seated ·
Inspect for damage. Repair as required. Planetary One-
Way Clutch ·
Not holding or damaged ·
Inspect for damage. Repair as required.
Torque Converter Clutch Operation Concerns: No Apply Possible Component Reference/Action
240 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, PCM, torque
converter clutch (TCC) 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 B or
Go To Pinpoint Test E .
Repair as required. Clear codes, road test and repeat
Self- Test. 340 —
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
·
Low line pressure, low EPC pressure ·
Check pressure at line and EPC taps; refer to Line
Pressure Chart for specifications. If pressure is low,
check EPC and main regulator valve. If within
specifications, check the main controls. Main Controls
·
Solenoid pressure regulator valve,
manual valve, bypass clutch control
valve and plunger, converter
pressure limit valve, drain back 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 Klj . 23 ba
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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 specifications ·
Tighten bolts to specifications. ·
Porosity/cross leaks, balls leaking ·
Inspect for porosity/leaks, ball missing. 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 necessary. Torque Converter Assembly
·
Leakage, friction material damaged,
internal seals damaged ·
Inspect torque converter. Repair or install a new or
remanufactured torque converter as required.
Torque Converter Clutch Operation Concerns: Always Applied/Stalls Vehicle Possible Component Reference/Action
241 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs,
vehicle wiring harnesses,
PCM, torque converter clutch
(TCC) solenoid, TFT 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 B or
Go To Pinpoint Test A . Repair as required. Clear DTCs, road test
and repeat Self- Test. 341 —
HYDRAULIC/MECHANICAL ROUTINE Main Control
·
Drain back valve, torque
converter clutch (TCC) and
plunger stuck, damaged or
assembled incorrectly ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
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. ·
No. 7 ball incorrect seating ·
Inspect for damage. Repair as required. ·
Gaskets damaged ·
Inspect for damage and install a new gasket. Pump Assembly
·
Bolts not tightened to
specifications ·
Tighten bolts to specifications. ·
Ball missing, leaking,
porosity/cross leaks ·
Inspect for porosity/leaks, balls missing. 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 Assembly Klj . 24 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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mechanism damaged
Main Controls
·
Manual valve stuck or
damaged ·
Inspect for damage. Repair as required. ·
Bolts not tightened to
specifications ·
Tighten bolts to specifications.
Other Concerns: External Leaks Possible Component Reference/Action
252 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, sensor
seals leaking (digital TR, OSS,
vehicle speed sensor VSS, if
equipped, or transmission connector) ·
Inspect for leakage and repair as required. 352 —
HYDRAULIC/MECHANICAL ROUTINE Case
·
Case vent, case porosity, case
cracked ·
Check the vent for free breathing. Check the fluid level.
Check the transmission for overheat conditions. Repair
as required. Seals/Gaskets
·
Leakage at gaskets, seals, etc. (refer
to external sealing illustration for
potential leak locations) ·
Remove all traces of lubricant on exposed surfaces of
the transmission. Check the vent for free breathing.
Operate the transmission at normal temperatures and
perform fluid leakage check. Repair as required. Other
·
Cooler fitting, cooler lines pressure
tap, converter drain plug, band
anchor pins ·
Locate the source of the leak. Repair as required.
Other Concerns: Poor Vehicle Performance Possible Component Reference/Action
253 —
ELECTRICAL ROUTINE Powertrain Control System
·
Electrical inputs/outputs, vehicle
wiring harnesses, shift solenoids,
digital TR sensor, torque
converter clutch (TCC) solenoid,
transmission fluid temperature
(TFT) 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 B or
Go To Pinpoint Test C . Repair as required. Clear codes, road test and
repeat Self- Test. Also refer to Routines 241/341 Torque
Converter Operation Concern: Always Applied. ·
Engine driveability concerns ·
Inspect air intake/air filter system. Check the fuel system
and fuel pressure. Refer to the Powertrain
Control/Emissions Diagnosis (PC/ED) manual. Inspect the
exhaust system for restriction. Refer to Section 309 - 00 .
353 —
HYDRAULIC/MECHANICAL ROUTINE Shift Linkage, Digital TR Sensor Klj . 27 ba
312003 Mustang Workshop Manual
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