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Timing Concerns - Erratic/Hunting (Some/All)

WARNING: This page is about a different car, the 2011 Ford F550 Super Duty and 2011 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ROUTINES - TIMING CONCERNS - ERRATIC/HUNTING (SOME/ALL)

Possible Component Reference/Action
212 - ROUTINE 
Powertrain Control System 
  • PCM, vehicle wiring harnesses, transmission internal harness, Shift Solenoid Pressure Control A (SSPCA), Shift Solenoid Pressure Control B (SSPCB), Shift Solenoid Pressure Control C (SSPCC), Shift Solenoid Pressure Control D (SSPCD), Shift Solenoid Pressure Control E (SSPCE), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS)/intermediate shaft speed sensor, Output Shaft Speed (OSS) sensor, Transmission Range (TR) sensor, Transmission Fluid Temperature (TFT) sensor, tow/haul switch, Accelerator Pedal Position (APP) sensor, Brake Pedal Position (BPP) sensor
  • CARRY OUT On-Board Diagnostic (OBD) tests. REFER to the INTRODUCTION article for diagnosis and testing of the PCM, APP  and BPP  sensors. For diagnosing SSPCA  , SSPCB  , SSPCC  , SSPCD  and SSPCE  , GO to PINPOINT TEST A . For diagnosing TFT  sensor, GO to PINPOINT TEST B . For diagnosing TR  sensor, GO to PINPOINT TEST C . For diagnosing TSS  /intermediate shaft speed and OSS  sensor, GO to PINPOINT TEST D . For diagnosing PCA  , GO to PINPOINT TEST E . REPAIR as necessary. CLEAR the DTCs, ROAD TEST the vehicle and RERUN the OBD  test.
  • REFER to routine 265 for specific diagnosis.
  • Failure Mode Effect Management enabled, refer to the appropriate Reference/Action
Transmission Fluid 
  • Incorrect level
  • CHECK transmission fluid level and adjust as necessary. REFER to PRELIMINARY INSPECTION  in this service information.
  • CARRY OUT the Transmission Fluid Condition Check. REFER to PRELIMINARY INSPECTION  in this service information.
  • Condition
Incorrect Line Pressures 
  • CHECK pressure at line tap. CARRY OUT Line Pressure Test. REFER to SPECIAL TESTING PROCEDURES  in this service information. FOLLOW the pressure diagnosis test as required.
  • High/low pressures
Solenoid Body Assembly 
  • Bolts not tightened to specification
  • TIGHTEN to specification.
  • Filter gasket damaged
  • INSTALL a new filter gasket.
  • Contamination
  • DISASSEMBLE and CLEAN.
  • If damaged or parts are missing, INSTALL a new solenoid body assembly. If misassembled, reassemble correctly.
  • Solenoid(s) damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged
Further Diagnosis 
  • REFER to the following routine(s) for specific diagnosis:
  • Soft/Slipping 1-2 Shift, Routine 226
  • Soft/Slipping 2-3 Shift, Routine 227
  • Soft/Slipping 3-5 Shift, Routine 228
  • Soft/Slipping 4-6 Shift, Routine 229
  • Soft/Slipping 5-6 Shift, Routine 230
  • Soft/Slipping 6-5 Shift, Routine 231
  • Soft/Slipping 6-4 Shift, Routine 232
  • Soft/Slipping 5-3 Shift, Routine 233
  • Soft/Slipping 3-2 Shift, Routine 234
  • Soft/Slipping 2-1 Shift, Routine 235
  • Harsh 1-2 Shift, Routine 236
  • Harsh 2-3 Shift, Routine 237
  • Harsh 3-5 Shift, Routine 238
  • Harsh 4-6 Shift, Routine 239
  • Harsh 5-6 Shift, Routine 240
  • Harsh 6-5 Shift, Routine 241
  • Harsh 6-4 Shift, Routine 242
  • 5-3 Shift, Routine 243
  • Harsh 3-2 Shift, Routine 244
  • Harsh 2-1 Shift, Routine 245
  • For further diagnosis for timing issues, refer to Reference/Action
Fluid Pump Assembly 
  • Bolts not tightened to specification
  • TIGHTEN to specification.
  • Gasket damaged
  • INSTALL a new gasket.
  • Porosity, cross leaks, cup plug missing, plugged hole
  • REPAIR as necessary.
  • Pump gears and/or pocket damaged
  • INSTALL a new pump assembly.
  • INSTALL a new seal or pump assembly.
  • Control valves, springs or seal damaged, stuck or not assembled correctly
Coast Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Check ball damaged, missing, not seating, off location
  • INSPECT for mislocation, poor seating, damage. INSTALL a new drum.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Return springs damaged
Overdrive Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Filtered orifice damaged, missing, not seating, off location
  • INSTALL a new pump assembly if damaged.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • Return springs damaged
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Snap ring for One-Way Clutch (OWC) and/or return spring not seated or damaged
Direct Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Return springs damaged
Forward Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Return springs damaged
Intermediate Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Filtered orifice damaged, missing, not seating, off location
  • INSPECT for mislocation, poor seating, damage. INSTALL a center support assembly if damaged.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • Return springs damaged
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Snap ring for OWC  and/or return spring not seated or damaged
Low/Reverse Clutch Assembly 
  • Seals, piston damaged
  • REPAIR as necessary.
  • Filtered orifice damaged, missing, not seating, off location
  • INSPECT for mislocation, poor seating, damage. INSTALL a new transmission case if damaged.
  • Friction elements damaged or worn
  • REPAIR as necessary.
  • Return springs damaged
  • REPAIR as necessary.
  • REPAIR as necessary.
  • Snap ring for OWC  and/or return spring not seated or damaged
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