Which Direction to Turn the Lug Nuts When Changing a Tire - Left or Right?

[DeMia]

The direction to turn lug nuts when changing a tire depends on the vehicle type. For passenger cars, turning right (clockwise) tightens the nuts, while turning left (counterclockwise) loosens them. However, for large trucks, the lug nut directions differ between the left and right sides. The left side (driver's side) has reverse threads, while the right side has standard threads. This means tightening is achieved by turning in the direction of the vehicle's forward motion, and loosening by turning in the reverse direction. Below are the lug nut turning directions for passenger cars and precautions for tire changing. Lug nut turning directions for passenger cars: To loosen lug nuts on passenger cars, turn counterclockwise: Place your left hand facing the center of the wheel, grip the wrench with your right hand, and lift upward to loosen the nuts. For large trucks, the left and right sides have different thread directions. The left side (driver's side) has reverse threads, while the right side has standard threads - meaning tightening is done by turning in the direction of forward motion, and loosening by turning in reverse. Precautions before changing a tire: Before changing a tire, first park the vehicle in a relatively safe and level location. Then engage the parking brake, shift into park, and turn the ignition to the "lock" position. Activate the hazard lights and place a triangular warning sign at a sufficient distance from the vehicle.