Section 768 (Noise, Vibration & Harshness)
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Noise, Vibration and Harshness (NVH)
- Notes
- Acceptable Noise, Vibration and Harshness
- Diagnostic Theory
- Glossary of Terms
- Acceleration - Light
- Acceleration - Medium
- Acceleration - Heavy
- Ambient Temperature
- Amplitude
- Backlash
- Boom
- Bound Up
- Brakes Applied
- Buffet/Buffeting
- Buzz
- Camber
- Caster
- Chatter
- Chirp
- Chuckle
- Click
- Clonk
- Clunk/Driveline Clunk
- Coast/Deceleration
- Coast/Neutral Coast
- Constant Velocity (CV) Joint
- Controlled Rear Suspension Height
- Coupling Shaft
- Cps
- Cracks
- Creak
- Cruise
- Cycle
- Decibel
- Drive Engine Run-Up (DERU) Test
- Driveline Angles
- Driveshaft
- Drivetrain
- Drivetrain Damper
- Drone
- Drumming
- Dynamic Balance
- Engine Imbalance
- Engine Misfire
- Engine Shake
- Flexible Coupling
- Float
- Flutter
- Frequency
- Gravelly Feel
- Grind
- Hiss
- Hoot
- Howl
- Hum
- Hz
- Imbalance
- Inboard
- Intensity
- Isolate
- Knock
- Moan
- Neutral Engine Run-Up (NERU) Test
- Neutralize/Normalize
- Outboard
- Ping
- Pinion Shaft
- Pitch
- Pumping Feel
- Radial/Lateral
- Rattle
- Ring Gear
- Road Test
- Roughness
- Runout
- Rustling
- Shake
- Shimmy
- Shudder
- Slap
- Slip Yoke/Slip Spline
- Squeak
- Squeal
- Static Balance
- Tap
- Thump
- Tick
- Tip-In Moan
- TIR
- Tire Deflection
- Tire Flat Spots
- Tire Force Vibration
- Transient
- Two-Plane Balance
- Vibration
- Whine
- Whistle
- Wind Noise
- Wot
- Tools and Techniques
- Noise, Vibration and Harshness (NVH)
- Diagnosis And Testing
- Noise, Vibration and Harshness (NVH)
- Special Tool(s)
- 1: Customer Interview
- 2: Pre-Drive Check
- 3: Preparing for the Road Test
- 4: Verify the Customer Concern
- 5: Road Test
- Slow Acceleration Test
- Heavy Acceleration Test
- Neutral Coast Down Speed Test
- Downshift Speed Test
- Steering Input Test
- Brake Test
- Road Test Over Bumps
- Neutral Engine Run-Up (NERU) Test
- Drive Engine Run-Up (DERU) Load Test
- Engine Accessory Test
- Vehicle Cold Soak Procedure
- 6: Check TSBs/Repair History
- 7: Diagnostic Procedure
- NVH Condition and Symptom Categories
- Symptom Charts
- Symptom Chart - Air Leak and Wind Noise
- Symptom Chart - Brake Noise/Vibration
- Symptom Chart - Driveline Noise/Vibration
- Symptom Chart - Engine Noise/Vibration
- Symptom Chart - Idle Noise/Vibration
- Symptom Chart - Squeak and Rattle
- Symptom Chart - Steering Noise/Vibration
- Symptom Chart - Suspension Noise/Vibration
- Symptom Chart - Tire Noise/Vibration
- Symptom Chart - Transmission (Manual) and Transfer Case Noise/Vibration
- Symptom Chart - Transmission (Automatic) Noise/Vibration
- Pinpoint Tests
- Notes
- Pinpoint Test A: Brake Vibration/Shudder
- Pinpoint Test B: Engine Ticking Noise
- Pinpoint Test C: Accessory Drive Bearing Hoot
- Pinpoint Test D: Power Steering Moan
- Pinpoint Test E: Engine Driven Cooling Fan Moan
- Pinpoint Test F: Drumming Noise
- Pinpoint Test G: Engine Ticking, Knocking Or Continuous Rattle
- Pinpoint Test H: Front Suspension Noise
- Pinpoint Test I: Rear Suspension Noise
- Pinpoint Test J: Wheel And Tire
- Pinpoint Test K: High Speed Shake Or Shimmy Diagnosis
- Pinpoint Test L: Clutch Vibration
- Pinpoint Test M: Transfer Case Vibration
- Component Tests
- Noise, Vibration and Harshness (NVH)
- General Procedures