Noise/Vibration Forward or Reverse

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.

DIAGNOSTIC ROUTINES - NOISE/VIBRATION FORWARD OR REVERSE

Possible Component	Reference/Action
257 - ROUTINE
Powertrain Control System
PCM, vehicle wiring harnesses, PTO assembly	Carry out on-board diagnostic tests. See INTRODUCTION - GASOLINE article or INTRODUCTION -- 6.0L DIESEL article for diagnosis and testing of the PCM. 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 AUTOMATIC 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, repair as necessary.
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	Remove the transmission. Inspect for damage. Refer to TORQUE CONVERTER in the General Procedures portion of this article. If the torque converter fails to pass the criteria for replacement or is damaged, install a new or remanufactured torque converter.