Section 136 (Four-Wheel Drive Systems)
WARNING: This page is about a different car, the 2005 Lincoln Navigator and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
- Description And Operation
- Diagnosis And Testing
- Four-Wheel Drive Systems
- Notes
- Special Tool(s)
- Principles of Operation
- Inspection and Verification - Electronic On-Demand
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A: No Communication With the 4x4 Module (PCM)
- Pinpoint Test B: The Front Axle Does Not Engage/Disengage Correctly/Makes Noise In 2H Under Heavy Throttle
- Pinpoint Test C: The Vehicle Does Not Shift Between 2WD And 4WD Modes Correctly
- Pinpoint Test D: The Vehicle Does Not Shift Between 4H And 4L Modes Correctly
- Pinpoint Test E: 4WD Does Not Engage At Speed Correctly
- Pinpoint Test F: The 4x4 System Jumps Out Of Gear
- Pinpoint Test G: Straightline Driveline Wind-up
- Pinpoint Test H: Torque On-Demand Functional Test
- Pinpoint Test I: The Instrument Cluster 4L And 4H Indicators Do Not Operate Correctly/Do Not Operate/Flash
- Pinpoint Test J: The Vehicle Binds In Turns/Resists Turning/Pulsates/Shudders In a Straight Line in A4WD Mode
- Four-Wheel Drive Systems
- Removal And Installation