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Timing Concerns - Erratic/Hunting (Some/All)

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The pressure switches listed in this routine will not be applicable to all vehicle applications. Some vehicles will not have the pressure switches installed in the valve body.
TIMING CONCERNS - ERRATIC/HUNTING (SOME/ALL)

Possible Component Reference/Action
212 - ROUTINE 
Powertrain Control System   
  • PCM, vehicle wiring harnesses, transmission internal harness, shift pressure control solenoids SSPC-A, SSPC-B, SSPC-C, SSPC-D, SSPC-E, line pressure control solenoids PC-A, transmission pressure switches PS-A, PS-B, PS-C, PS-D, PS-E, (if equipped) TSS/intermediate shaft speed sensor, output shaft speed (OSS) sensor, transmission range (TR-P) sensor, transmission fluid temperature (TFT) sensor, tow/haul switch, accelerator pedal position (APP) sensor, brake pedal position (BPP) sensor
  • FMEM enabled, refer to routine 265
 
  • Repair as necessary. Clear DTCs, road test and rerun on-board diagnostic test.
Fluid   
  • Incorrect level
 
Incorrect Pressures   
  • High/low pressures
  • Check pressure at line tap.
 
Solenoid Body Assembly   
  • Bolts not tightened to specification
  • Tighten to specification.
  • Filter gasket damaged
  • Inspect for damage. If damaged, install a new filter gasket.
  • Contamination
  • Disassemble and clean.
  • Solenoid(s) damaged, stuck or bore damaged, manual valve damaged, stuck or bore damaged
  • If damaged or parts are missing, install a new solenoid body assembly. If misassembled, reassemble correctly.
Further Diagnosis   
  • For further diagnosis for timing issues, refer to Reference/Actions
  • 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
    • Harsh 5-3 Shift, Routine 243
    • Harsh 3-2 Shift, Routine 244
    • Harsh 2-1 Shift, Routine 245
Fluid Pump Assembly   
  • Bolts not tightened to specification
  • Tighten to specification.
  • Gasket damaged
  • Inspect for damage. If damaged, install a new gasket.
  • Porosity, cross leaks, cup plug missing, plugged hole
  • Inspect for damage. If damaged, repair as necessary.
  • Pump gears and/or pocket damaged
  • Inspect for damage. Install a new pump assembly.
  • Control valves, springs, or seal damaged, stuck or not assembled correctly
  • Inspect for damage. Install a new seal or pump assembly.
Coast Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. 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
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
Overdrive Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. Repair as necessary.
  • Filtered orifice damaged, missing, not seating, off location
  • Inspect for mislocation, poor seating, damage. Install a new pump assembly if damaged.
  • Friction elements damaged or worn
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
  • Snap ring for OWC and/or return spring not seated or damaged.
  • Inspect for damage. Repair as necessary.
Direct Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. Repair as necessary.
  • Friction elements damaged or worn
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
Forward Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. Repair as necessary.
  • Friction elements damaged or worn
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
Intermediate Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. 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
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
  • Snap ring for OWC and/or return spring not seated or damaged.
  • Inspect for damage. Repair as necessary.
Low/Reverse Clutch Assembly   
  • Seals, piston damaged
  • Inspect for damage. 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
  • Inspect for damage. Repair as necessary.
  • Return springs damaged
  • Inspect for damage. Repair as necessary.
  • Snap ring for OWC and/or return spring not seated or damaged.
  • Inspect for damage. Repair as necessary.
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