100-04-41A Noise, Vibration and Harshness 100-04-41A
DIAGNOSIS AND TESTING
E859 EN 02/2001 2002 Bantam
Symptom Chart
Symptom Chart
Condition
Possible Sources
Action
• High speed shake
• Suspension/front wheel halfshaft
and joints.
• Tires/wheels.
• Wheel bearings.
• Front wheel halfshaft joint boots.
• Brake discs.
• Engine.
• Transaxle.
• GO to Pinpoint Test A.
• Tip-in moan • Air cleaner.
• Powertrain.
• Engine mounts.
• Exhaust system.
• GO to Pinpoint Test B.
• Idle boom/shake/vibration • Cables/hoses.
• Engine mounts.
• Exhaust system.
• Accessory drive belt/pulleys.
• GO to Pinpoint Test C.
• Engine accessory vibration • Accessory drive belt/pulleys.
• Mounting hardware.
• GO to Pinpoint Test D.
• Tyre/wheel run out • Tires/wheels.
• Wheel bearings.
• GO to Pinpoint Test E.
• Brakes, front disc-
vibration/shudder
• Brake discs.
• Worn/damaged brake pads.
• Foreign material on brake pads.
• Damaged front/rear brake disc
contact surface.
• Loose caliper mounting bolt.
• Loose front wheel bearing.
• Disc thickness variance.
• GO to Pinpoint Test F.
• Wheel end vibration analysis
• Brake drum/disc imbalance.
• Engine or transaxle mounts.
• Worn or damaged front wheel
bearing.
• GO to Pinpoint Test G.
• Engine run-up check
• A/C compressor.
• Engine/transaxle mounts.
• Exhaust system components.
• GO to Pinpoint Test H.
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