Ford 2003 Mustang Workshop Manual page 2404

· No end clearance
· Piston plate damaged or stuck
to cover
Torque Converter Clutch Operation Concerns: Cycling/Shudder/Chatter
Possible Component
242 — ELECTRICAL ROUTINE
Powertrain Control System
· Electrical inputs/outputs, vehicle
wiring harnesses, PCM, torque
converter clutch (TCC) solenoid,
OSS
· Speed control equipped vehicles
342 — HYDRAULIC/MECHANICAL ROUTINE
Fluid
· Condition
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
· Bolts not tightened to specifications
· Solenoid screen blocked or damaged · Clean or install a new screen.
· TCC solenoid malfunction
· Gaskets damaged
Pump Assembly
· Bolts not tightened to specification
· Porosity/cross leaks, missing balls or
leaking
· Gaskets damaged
Input Shaft
· Seals damaged
Torque Converter
· Excessive end clearance
Other Concerns: No Engine Braking In Manual 2nd Or Manual 1st Position
· Inspect converter and install a new or remanufactured torque
converter as required.
· If cover is heat-stained, install a new converter and determine
the cause of the overheat condition.
· 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
DTCs, road test and repeat Self-Test.
· Evaluate with speed control off.
· 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.
· Inspect for damage. Repair as required.
· Tighten bolts to specifications.
· 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.
· Inspect for damage and install a new gasket.
· Tighten bolts to specification.
· Inspect for porosity/leaks or missing balls. Install a new
pump as required.
· Inspect for damage and install a new gasket.
· Inspect for damage. Repair as required.
· Inspect converter. Install a new or re-manufactured
torque converter as required.
Reference/Action
. Repair as required. Clear