2011 Mercury Grand Marquis Owner Guide 1st Printing - Page 205

Roadside Emergencies 6. Lower the vehicle by turning the jack handle counterclockwise. 7. Remove the jack and fully tighten 1 the lug nuts in the order shown. Refer to Wheel lug nut torque specifications later in this chapter 3 4 for the proper lug nut torque specification. 8. Install any wheel covers, ornaments or hub caps. Make sure 5 2 they are snapped in place. 9. Put flat tire, jack and lug wrench away. 10. Turn on the air suspension switch (if equipped). WHEEL LUG NUT TORQUE SPECIFICATIONS Retighten the lug nuts to the specified torque within 100 miles (160 km) after any wheel disturbance (tire rotation, changing a flat tire, wheel removal, etc.). Wheel lug nut torque* ft-lb N •m 1⁄2 x 20 100 135 * Torque specifications are for nut and bolt threads free of dirt and rust. Use only Ford recommended replacement fasteners. WARNING: When a wheel is installed, always remove any corrosion, dirt or foreign materials present on the mounting surfaces of the wheel or the surface of the wheel hub, brake drum or brake disc that contacts the wheel. Ensure that any fasteners that attach the rotor to the hub are secured so they do not interfere with the mounting surfaces of the wheel. Installing wheels without correct metal-to-metal contact at the wheel mounting surfaces can cause the wheel nuts to loosen and the wheel to come off while the vehicle is in motion, resulting in loss of control. Bolt size 205 2011 Crown Victoria (cro) Owners Guide, 1st Printing USA (fus)