Other Concerns: Noise/Vibration - Forward Or Reverse

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

OTHER CONCERNS - NOISE/VIBRATION - FORWARD OR REVERSE

Possible Component	Reference/Action
254 - ELECTRICAL ROUTINE
	No Electrical Concerns
354 - HYDRAULIC/MECHANICAL ROUTINE
For Noises/Vibrations That Change With Engine Speed
Converter components/balance weight Fluid level (low) pump cavitation Pump assembly Engine drive accessories Cooler lines grounding out Flexplate	Locate source of disturbance. Repair as required.
For Noises/Vibrations That Change With Vehicle Speed
Engine mounts loose or damaged	Locate source of disturbance and repair as required.
Driveline concerns: U-joints Rear axle Suspension Modifications 1st Gear: Low one-way clutch Gearset Friction elements 2nd Gear: Intermediate one-way clutch Intermediate clutch piston bleed hole out of 12 o'clock position Friction elements 3rd Gear: Torque converter Case to planet support spring Friction elements 4th Gear: Gear set Friction elements Torque converter Reverse: Gear set Friction elements Output shaft splines worn or damaged	Refer to the following shift routine(s) for further diagnosis: Shift 1-2, Routine 320 Shift 2-3, Routine 321 Shift 3-4, Routine 322 Shift 4-3, Routine 323 Shift 3-2, Routine 324 Shift 2-1, Routine 325 Torque Converter Cycling 242/342
Other Noises/Vibrations
Main controls, valve resonance
Shift cable: Vibration Grounding Cooler lines Grounding	Locate source of disturbance and repair as required.