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2003 Ford Truck Expedition Suspension – Air Suspension Height Sensor Linkage Loose Service Procedure

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ISSUE Some 2003-2006 Expedition and Navigator vehicles equipped with an air suspension may exhibit an air suspension height sensor linkage arm disengaging from the suspension ball stud or height sensor rotating arm. This concern typically occurs with the rear sensor (Figure 1) but may occur with the front sensors as well. If this occurs, the symptom will typically be the vehicle leaning to one side, the vehicle sitting too low/high, a harsh ride, and/or an inoperative air suspension. In addition, this concern may result in diagnostic trouble code (DTC) C1725 (air suspension front pneumatic failure) or C1726 (air suspension rear pneumatic failure). ACTION When a linkage arm becomes disengaged, do not re-attach the arm and do not replace the sensor unless broken. Instead, install a revised linkage arm on all three (3) sensor assemblies, even if they have not detached from the ball stud. 1. Replace linkage arms on all three (3) sensor assemblies following Workshop Manual (WSM), Section 204-05. 2. Discard the old linkage arms. NOTE IF THE SENSOR ASSEMBLY NEEDS TO BE REPLACED FOR ANY DAMAGE/FAILURE OTHER THAN THE ONE DESCRIBED IN THIS TSB, THE REPLACEMENT ASSEMBLY IS SUPPLIED WITH A NEW STYLE LINKAGE ARM, SO THERE IS NO NEED TO ORDER ADDITIONAL LINKAGES FOR THE SERVICE REPAIR. WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage OPERATION DESCRIPTION TIME 061510A 2003-2006 0.4 Hr. Expedition/Navigator: Replace The Three Linkage Arms, Includes Time To Check Diagnostic Trouble Codes (Do Not Use With 5300A, 5300A7, 5300A8) DEALER CODING CONDITION BASIC PART NO. CODE 5A967

1997-2001 FORD EXPEDITION ELECTRICAL LAMP – AIR SUSPENSION LAMP ILLUMINATED – DIAGNOSTIC TROUBLE CODES (DTC’S) B2140 OR C2140 – RIDE HEIGHT RESET PROCEDURE

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SUSPENSION, AIR SUSPENSION DIAGNOSTIC TROUBLE CODES (DTC’S) B2140 OR C2140 RIDE HEIGHT RESET PROCEDURE ELECTRICAL LAMP – AIR SUSPENSION LAMP ILLUMINATED – DIAGNOSTIC TROUBLE CODES (DTC’S) B2140 OR C2140 – RIDE HEIGHT RESET PROCEDURE SERVICE PROCEDURE AIR SUSPENSION DTC’S THAT ARE PRESENT NOTE BEFORE ADDRESSING B2140/C2140. DURING PDI (PRE-DELIVERY INSPECTION) IF WARNING “CK SUSP” LIGHT IS ON, PRIOR TO SENDING WARNING: BEFORE REPLACING ANY AIR TO SERVICE, VERIFY SWITCH IN UPPER RIGHT SUSPENSION COMPONENTS, HOISTING, KICK PANEL IS ON. THIS SWITCH IS TURNED JACKING, OR TOWING, DISCONNECT POWER OFF DURING VEHICLE SHIPMENT TO PREVENT TO THE SYSTEM BY TURNING OFF THE AIR MODULE FROM SEEKING TRIM HEIGHT WHILE SUSPENSION SWITCH LOCATED IN THE RIGHT SECURED DOWN FOR TRANSPORT. KICK PANEL AREA TO PREVENT VEHICLE NOTE DAMAGE OR PERSONAL INJURY. AN INADVERTENT B2140 OR C2140 MAY RAS ONLY – CLEAR 2140 RESULT IF A PARAMETER RESET (CLEAR RIDE HEIGHT) IS SELECTED UNDER NGS ACTIVE NOTE COMMANDS, THEN CANCELLED OUT. EVEN RAS (4X2) EQUIPPED VEHICLES REQUIRE STORING RIDE HEIGHT AND NOTE TOGGLING FRONT TO “ON” TO CLEAR A CK THE AIR SUSPENSION CONTROL MODULE SUSP LIGHT/2140 CODE. THIS ALLOWS THE PART NUMBER IS INTERCHANGEABLE MODULE TO STORE THE VOLTAGE WITH NO BETWEEN THE REAR AIR SUSPENSION (RAS) FRONT HEIGHT SENSOR PRESENT, AND MUST AND 4-WHEEL AIR SUSPENSION (4WAS) BE DONE EVEN WITH CONVENTIONAL (STEEL SYSTEMS, BUT ONCE THE MODULE IS COIL) FRONT SUSPENSION. INSTALLED, THE VEHICLE WILL THEN DETERMINE WHETHER VEHICLE IS 4X2 (RAS)

LEAKS FROM REAR HALFSHAFT AXLE SEAL REPAIR MANUAL

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FORD: LINCOLN: 2002-2006 Explorer 2003-2005 Aviator 2003-2006 Expedition 2003-2006 Navigator MERCURY: 2002-2006 Mountaineer This article supersedes TSB 05-15-5 to update the 3. Do not use a damaged seal installation tool vehicle model years, Parts, and Service Procedure. exhibiting nicks, burrs, or sharp edges. NOTE ISSUE THE USE OF SEAL PROTECTOR 1L2W-4N206-AA Some 2003-2006 Expedition/Navigator, 2002-2006 IS NO LONGER REQUIRED. Explorer 4dr/Mountaineer, and 2003-2005 Aviator vehicles equipped with the 8.8? or 9.75? ring gear 4. Do not tap directly on the back of the seal and independent rear suspension (IRS), may exhibit installation tool, always tap on the handle, per leaks at the rear halfshaft axle seals. A new Instruction Sheet. Seal should be driven evenly unitized seal is now available for service. The new into housing bore with only enough force to seal design eliminates the need to use seal seat in the bore. protectors during installation. Removal of the excluder seal (1L2W-1N013-BA) if present is 5. Before installing the halfshaft, verify that the required. inboard excluder seal (1L2W-1N013-BA) is not present on the halfshaft. If the excluder seal is ACTION present, follow the kit Instruction Sheet and Order and install the new seal kit to correct the leak remove the excluder seal. condition. Review the updated instruction sheet NOTE included in the kit and obtain the required tools before beginning repair. OVERFILLING THE AXLE CAN INCREASE POTENTIAL FOR LEAKS. INSTALLATION SERVICE TIPS PART NUMBER PART NAME Refer to the appropriate Workshop Manual, Section 7L1Z-4A109-B Axle Shaft Seal Kit (9.75 Axle) 205-02 for half shaft removal and installation. 7L1Z-4A109-C Axle Shaft Seal Kit (8.8 Axle) NOTE IN THE WORKSHOP MANUAL UNDER THE HALF WARRANTY STATUS: Eligible Under Provisions Of SHAFT REMOVAL/INSTALLATION SECTION New Vehicle Limited THERE ARE ADDITIONAL PARTS CALLED OUT Warranty Coverage THAT ARE REQUIRED TO BE REPLACED. OPERATION DESCRIPTION TIME THESE PARTS ARE NOT INCLUDED IN THE 062205A 2003-2006 0.8 Hr. AXLE SHAFT SEAL KIT LISTED. Expedition/Navigator: Replace Rear Axle (Stub) 1. Use only the proper seal installation tool, Lisle Shaft Seal Includes Time Special Seal Installer (LIS 17850) available To Remove And Install through the Rotunda Technician Tool Program. Halfshaft One Side (Do Not Use With 4139A, 2. Ensure the seal installation tool is clean and 4139A2) free of debris prior to inserting into new seal.

1999 Ford Expedition/Navigator Ride Height Adjustments Manual

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WARNING: Disconnecting an air line that is connected to the air compressor can cause personal injury or damage to components as high pressure air is vented uncontrolled. 1. Turn the air suspension switch on. 2. Turn the ignition switch to the RUN position. 3. Connect NGS Tester to the data link connector (DLC). 4. Select Air Suspension Control Module under Active Command Mode: ? VENT FRNT to deflate the front down. ? LIFT FRNT to inflate the front up. ? VENT REAR to deflate the rear down. ? LIFT REAR to inflate the rear up. Front Ride Height Resetting — Clear B2140 DTC 1. Turn the ignition key OFF and turn it back to RUN; exit the vehicle, close all doors and allow the system to vent the vehicle down to kneel height (approximately 30 seconds). 2. Connect New Generation STAR (NGS) Tester to the data link connector (DLC). 3. Select the proper vehicle year, model and engine type. 4. Select 4WAS-AIR SUSP/EVO (4×2 and 4×4) module. 5. Select “Parameter Reset Command (Clear Ride Height) under Active Command Modes” menu, trigger through the warning messages and reset (trigger from OFF to ON): ? NGS version 10.0 — “Front” and “Rear.” ? NGS version 11.0+ — “Front CLR.” 6. Back out the torsion bar adjustment bolt (approximately 40 mm from the bolt head to the bottom surface of the torsion bar adjuster). 7. Deflate the front air shocks by using the NGS “Vent Front” command in “Air Suspension Control” menu (should take about 30 seconds), and jounce the front of the vehicle to fully lower the front of the vehicle. 8. Adjust and measure the vehicle ride height; refer to Section 204-01B. 9. NOTE: Do not save rear ride heights. The air suspension control module has precalibrated values already stored. Refer to Rear Ride Height Mechanical Resetting. Select the “Save Calibration Values (Store Ride Height)” NGS command to calibrate the air suspension control module. Trigger through the warning message(s) and save “FRONT” (trigger from OFF to ON).

2006 Ford Explorer Scheduled Maintenance Guide

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Scheduled Maintenance: 2006 Ford Explorer Driving Condition: Normal Condition Engine Displacement Transmission Fuel Cylinders Drivetrain 4.0 L Automatic Flexible 6 RWD ded Maintenance Mileage: Every 5,000 15 30 45 60 75 90 100 105 120 135 150 Value Package Price: See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer See Dealer Change engine oil and replace oil filter (Up to 5 quarts of oil. Perform at specified mileage interval or every 6 months, whichever occurs first) – See dealer Perform multi-point inspection – See dealer Rotate and inspect tires; check wheel end play and turning noise – See dealer Inspect automatic transmission fluid level (if equipped with underhood dipstick) – See dealer Inspect brake pads/shoes/rotors/drums, brake lines and hoses, and parking brake system – See dealer Inspect engine cooling system and hoses – See dealer Inspect and lubricate all non-sealed steering linkage,ball joints,suspension joints,half and drive-shafts and u-joints – See dealer Inspect complete exhaust system and heat shields – See dealer Replace engine air filter – See dealer Replace fuel filter – See dealer Inspect 4×2 front wheel bearings; replace grease and grease seals, and adjust bearings – See dealer Change Premium Gold engine coolant – See dealer Inspect accessory drive belt(s) – See dealer Replace PCV valve – See dealer Replace spark plugs – See dealer Replace accessory drive belts (if not replaced within last 100,000 miles) – See dealer Replace rear axle lubricant – See dealer Change automatic transmission/transaxle fluid and filter – See dealer Notes: Prices are shown for illustrative purposes only and may vary based on required fluid quantities and other conditions. Information in this document is current as of January 07, 2010 and could change in the future.