Section 686 (Noise, Vibration And Harshness - F-150 & Mark LT)
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnostic Tests
- Noise, Vibration and Harshness (NVH)
- Notes
- 1: Customer Interview
- 2: Pre-Drive Check
- 3: Preparing for the Road Test
- 4: Verify the Customer Concern
- 5: Road Test
- 6: Check OASIS/TSBs/Repair History
- 7: Diagnostic Procedure
- NVH Condition and Symptom Categories
- Symptom Charts
- 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
- Idle Air Control (IAC) Valve
- Steering Gear Grunt/Shudder Test
- Driveline Shudder/Moan Condition
- Drive Pinion Stem and Pinion Flange
- Pinion Flange Runout Check - Circular
- Checking Tooth Contact Pattern and Condition of the Ring and Pinion
- Front Drive Axle Halfshaft Rotation Speed
- Tire Wear Patterns and Frequency Calculations
- Noise, Vibration and Harshness (NVH)
- General Procedures