1. Make sure wheel studs are clean and tight. Replace ortighten a problem stud.
2. Ensure the wheel is flat against mounting surface withstuds through each hole.
3. All nuts should be hand started and thensecured in a criss-cross sequence with a torque wrench and socket. Refer to your vehicleowner's manual or wheel manufacturer's guide for propertorque specifications. 1/2mm Lug size should use 70-80 torque
4. Check and retighten all nuts after 25 miles of driving andagain after 50 miles, until wheel nut torque remains unchanged.