Changing a Flat Tire
- If possible, stop the vehicle on a level surface away from
traffic.
- Apply the parking brake and place the transmission in Park (P). Turn the ignition switch to the OFF position.
- Turn on the hazard warning lights.
- Remove the spare wheel, jack, jack handle, and lug wrench (if so equipped) from storage.
- Block the wheel diagonally opposite the wheel being changed.
- Place the jack on a solid surface. Insert the jack handle and pump the handle to slightly raise the vehicle. Do not raise the wheel off of the ground. Loosen the wheel lug nuts, but do not remove them.
- Raise the vehicle until the wheel is off of the ground. Remove the lug nuts and the wheel.
- Install the spare wheel and lug nuts. Make sure that the beveled sides of the nuts face inward.
- In a star pattern, tighten the nuts evenly until snug.
- Lower the vehicle until the wheel touches the ground. Tighten the nuts in the same pattern 450 to 500 lbf·ft (610 to 678 N·m).
- Finish lowering the vehicle to the ground, then remove the jack.
- Remove the block, then stow the jack, jack handle, and lug wrench (if so equipped).
- After operating the vehicle for 50 to 100 miles (80 to 161 km), retighten the nuts (for stud-piloted dual discs, all inner, then all outer) 450 to 500 lbf·ft (610 to 678 N·m).
Danger: When working on the vehicle, shut down the engine, set the parking brake,and chock the tires. before working under the vehicle, always place jack stands under the frame rails to ensure the vehicle can not drop. Failure to follow these steps could result in serious personal injury or death.
Warning: Wheel lug nut torque is very high and the wheel/tire assemblies are very heavy. Changing a tire could result in back injury. If possible, call a qualified service facility to change a flat tire.
Important: If a flat tire occurs while driving, gradually decrease vehicle speed. Holding the steering wheel firmly, move the vehicle to a safe location as quickly as possible.
Warning: This vehicle is very heavy. Jacking this vehicle should be done with extreme caution. The vehicle could slip, causing personal injury or death.
Notice: The jacking point for the front and rear wheels is directly under the axle. Insert a wooden block between the axle and the jack. Do not jack directly on the axle housing.
Note: Dual stud-piloted rear wheels are attached using inner and outer (2-element) lug nuts. The larger nut retains the outer dual (stud-piloted), 2-piece wheel. The inner square nut retains the inner dual (stud-piloted) wheel. Remove and install these nuts separately. The rear dual outer lug nut must be removed and loosened to check and retighten the inner nut. Hub-piloted wheels use a single outer lug nut that holds both discs on the hub pilot.