Noise/Vibration Forward or Reverse

WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, 2004 Ford E450 Super Duty, and 2004 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC ROUTINE - NOISE/VIBRATION FORWARD OR REVERSE

Possible Component	Reference/Action
257 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses	Carry out on-board diagnostic tests. Refer to the appropriate INTRODUCTION article for diagnosis and testing of the PCM.
PCM, vehicle wiring harnesses	Repair as required. Clear DTCs, road test and rerun on-board diagnostic test.
Fluid
Incorrect level	Adjust fluid to the correct level. Refer to PRELIMINARY INSPECTION .
External Shift Cable System
Cable system damaged, misaligned, grounding out	Inspect and repair as necessary. Refer to TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
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 gears cracked or seized	Inspect for damage. If damaged, install a new gasket.
One-Way Clutches
Worn, damaged or assembled incorrectly	Inspect for damage. Repair as necessary
Other
Transmission fluid cooling lines, fill tube grounding, driveshaft damaged	Relocate cooling line or fill tube correctly. Inspect for damage. Repair as necessary.
Gears
Gear noise	Inspect for damage. Repair as necessary.
Torque Converter Assembly
Flexplate, converter assembly damaged	Inspect for damage. Carry out torque converter check. Refer to TORQUE CONVERTER . If the torque converter fails the check, install a new or remanufactured torque converter.