Symptom Related Diagnostic Procedures

Noise, Vibration and Harshness (NVH)

Symptom Chart

High-speed shake
Possible Source(s):
- Wheel end vibration
- Engine/transmission
- Driveline
Action(s) to take:
- GO to Pinpoint Test G543314p1.

Tip-in moan
Possible Source(s):
- Air cleaner
- Power steering
- Powertrain
- Engine mounts
- Exhaust system
Action(s) to take:
- GO to Pinpoint Test G543314p2.

Idle boom/shake/vibration, or shudder
Possible Source(s):
- Cable(s)/hoses(s)
- Intake air distribution and filtering system
- Engine mounts
- Exhaust system
- Belt/pulleys
Action(s) to take:
- GO to Pinpoint Test G543314p3.

Wheel end vibration analysis
Possible Source(s):
- Suspension/rear drive halfshaft and CV joints
- Tires/wheels
- Wheel bearings
- CV joint boots
Action(s) to take:
- GO to Pinpoint Test G543314p4

Non-axle noise
Possible Source(s):
- Trim/mouldings
- A/C system
- Accessories
Action(s) to take:
- GO to Pinpoint Test G543314p5.