Replacements
During Tire Inspection1. WARNING: EXCESSIVELY CORRODED OR CRACKED RIMS CAN BE DANGEROUS. DEFLATE TIRES PRIOR TO THE Removal FROM THE WHEELS TO PREVENT INJURY.
Check all metal surfaces thoroughly while making tire inspections, including areas on inboard side of wheel. Watch for the following conditions:
- excessive rust or corrosion build-up
- cracks in metal
- bent flanges, resulting from road obstructions
- loose, missing or damaged lug nuts.
- bent or stripped lug bolts.
2. Remove damaged wheels.
3. Mark damaged or hazardous areas with chalk so that part will be removed from service.
4. Coat wheel pilot area with Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171-A. Do not apply grease to lug nut seats.
5. Replace parts as required.
6. Inflate tires only to recommended air pressures.
7. Check the lug nut torque and retighten the lug nuts.
During Tire Changes
1. WARNING: AFTERMARKET AEROSOL TIRE SEALANTS ARE EXTREMELY FLAMMABLE. TO PREVENT INJURY, ALWAYS QUESTION CUSTOMER TO MAKE SURE THESE PRODUCTS HAVE NOT BEEN USED.
WARNING: ALLOYS OR METAL SURFACES WITH CRACKS ARE VERY DANGEROUS. THESE COMPONENTS COULD FAIL WITHOUT WARNING DURING INFLATION OR LATER ON THE VEHICLE, CAUSING LOSS OF CONTROL OR PERSONAL INJURY. DESTROY ALL PARTS THAT ARE CRACKED.
CAUTION: Make sure replacements are made with the proper sizes and types of wheels.
NOTE: If the tire is to be reinstalled on the same wheel, mark the tire and wheel so they can be reassembled in the same position.
Check all metal surfaces. Watch particularly for cracks in the rim bead seat or dropwell radii areas. These are caused by deep rim tool marks, overloading and overinflating tires or using larger than recommended tire sizes.
2. Replace the parts as necessary.
3. Thoroughly remove rust, dirt and other foreign materials from all surfaces. Hand or electric wire brushes, sand blasting or chemical baths may be used. Bead seat areas of rim should be free of rust and rubber deposits.
4. Paint rim by brush or spray with a fast-drying metal primer. Surfaces should be clean and dry prior to painting. Make sure bare metal areas on the outside or tire side of rim are covered. This is especially important on drop-center tubeless rims, because warm and sometimes moist air is in constant contact with the metal surface on the tire side of the rim.
5. NOTE: Avoid the use of any lubricant which contains water or solvent that could damage rubber, such as WD40. A combination lubricant and rust-preventive compound is preferable, such as a ready-to-use liquid soap that meets Ford specification ESR-M99B135-A or equivalent.
Lubricate the tire side of the rim base just prior to mounting tire.
6. CAUTION: When mounting a tire on a wheel, do not inflate to more than 276 kPa (40 psi), then deflate tire.
Inflate tire to recommended air pressure.