Operating Condition-Vehicle is Not Moving

1. Static operation

• Noise occurs during part/system functioning. GO to Symptom Chart - Squeak and Rattle. See: Symptom Charts\Squeak and Rattle

2. While cranking

3. At idle

• Idle noise. GO to Symptom Chart - Idle Noise/Vibration. See: Symptom Charts\Idle Noise/Vibration
• Idle vibration or shake. GO to Symptom Chart - Idle Noise/Vibration. See: Symptom Charts\Idle Noise/Vibration

4. During gear selection

Operating Condition-Vehicle is Moving

1. Depends more on bow the vehicle is operated

• Related to vehicle speed
• Pitch increases with vehicle speed. GO to Symptom Chart - Tire Noise/Vibration. See: Symptom Charts\Tire Noise/Vibration
• Noise occurs at specific vehicle speed. A high-pitch noise (whine). GO to Symptom Chart - Driveline Noise/Vibration. See: Symptom Charts\Driveline Noise/Vibration
• Loudness proportional to vehicle speed. Low-frequency noise at high speeds, noise and loudness increase with speed. GO to Symptom Chart - Driveline Noise/Vibration. See: Symptom Charts\Driveline Noise/Vibration
• A low-pitched noise (drumming). GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Vibration occurs at a particular speed mph) regardless of acceleration or deceleration. GO to Symptom Chart - Tire Noise/Vibration. See: Symptom Charts\Tire Noise/Vibration
• Noise varies with wind/vehicle speed and direction. GO to Symptom Chart - Air Leak and Wind Noise. See: Symptom Charts\Air Leak and Wind Noise
• Related to engine speed.
• Noise varies with engine rpm. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Vibration occurs at a particular speed mph) regardless of engine speed rpm).

• Wide Open Throttle (WOT)
• Engine induced contact between components. Inspect and repair as necessary.
• Noise is continuous throughout WOT. Exhaust system or engine ground out. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Light/moderate acceleration
• Tip-in moan. Engine/exhaust noise. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Knock-type noise. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Driveline shudder. GO to Symptom Chart - Driveline Noise/Vibration. See: Symptom Charts\Driveline Noise/Vibration
• Engine vibration. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration

• Clicking sound is signaling ABS is active. Acceptable ABS sound.
• A continuous grinding/squeal. GO to Symptom Chart - Brake Noise/Vibration. See: Symptom Charts\Brake Noise/Vibration
• Brake vibration/shudder. GO to Symptom Chart - Brake Noise/Vibration. See: Symptom Charts\Brake Noise/Vibration

• A noise occurring during clutch operation. GO to Symptom Chart - Transmission (Manual) and Transfer Case Noise/Vibration. See: Symptom Charts\Transmission (Manual) Noise/Vibration
• Vibration. GO to Symptom Chart - Transmission (Manual) and Transfer Case Noise/Vibration. See: Symptom Charts\Transmission (Manual) Noise/Vibration

• Noise or vibration condition related to the transmission (automatic). GO to Symptom Chart - Transmission (Automatic) Noise/Vibration. See: Symptom Charts\Transmission (Automatic) Noise/Vibration
• Noise or vibration related to the transmission (manual). GO to Symptom Chart - Transmission Manual and Transfer Case Noise/Vibration. See: Symptom Charts\Transmission (Manual) Noise/Vibration

• Accelerator pedal vibration. GO to Symptom Chart - Engine Noise/Vibration. See: Symptom Charts\Engine Noise/Vibration
• Driveline vibration. GO to Symptom Chart - Driveline Noise/Vibration. See: Symptom Charts\Driveline Noise/Vibration
• A shimmy or shake. GO to Symptom Chart - Tire Noise/Vibration. See: Symptom Charts\Tire Noise/Vibration

• A wobble or shudder. GO to Symptom Chart - Tire Noise/Vibration. See: Symptom Charts\Tire Noise/Vibration

2. Depends more on where the vehicle is operated

• Noise is random or intermittent occurring from road irregularities. GO to Symptom Chart - Squeak and Rattle. See: Symptom Charts\Squeak and Rattle
• Noise or vibration changes from one road surface to another. Normal sound changes.
• Noise or vibration associated with a hard/firm ride. GO to Symptom Chart - Suspension Noise/Vibration. See: Symptom Charts\Suspension Noise/Vibration