Other Concerns: Noise/Vibration - Forward Or Reverse

NOTE: NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to NOISE, VIBRATION & HARSHNESS . Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to NOISE, VIBRATION & HARSHNESS for the next likely system and continue diagnosis.

OTHER CONCERNS: NOISE/VIBRATION - FORWARD OR REVERSE - DIAGNOSTIC ROUTINES

Possible Component	Reference/Action
264 - ELECTRICAL ROUTINE
No electrical concerns
364 - HYDRAULIC/MECHANICAL ROUTINE
For Noises/Vibrations That Change With Engine Speed
Converter components	Locate source of disturbance. Repair as required.
	Transmission fluid level (low) - pump cavitation.
	Pump assembly.
Engine drive accessories
Transmission fluid cooler tubes grounding out
Flexplate
For Noises/Vibrations That Change With Vehicle Speed
Engine mounts - loose or damaged	Locate source of disturbance and repair as required.
Driveline concerns: Halfshaft shudder CV joints Suspension Modifications
Output/halfshaft splines - worn or damaged
Turbine Shaft Speed (TSS) sensor - incorrectly installed	Inspect for damage. Repair as required.
Other Noises/Vibrations
Main controls - valve resonance	Locate source of disturbance and repair as required.
Selector lever cable - vibration, grounding	Locate source of disturbance and repair as required.
Transmission fluid cooler tubes - grounding	Locate source of disturbance and repair as required.
ABS	Refer to VEHICLE DYNAMIC SYSTEMS .
Power steering pump	Refer to POWER STEERING .