Rust around wheel nuts may mean: Question Rust around wheel nuts may mean: Answers It recently rained. The nuts are loose. The tire is not clean. Explanation Rust around wheel nuts can indicate that the nuts are loose. If you find rust near the wheel nuts, check their tightness before beginning to drive. This questions appears in the following tests: Arizona Tank Connecticut Double Louisiana Double Missouri Class A Knowledge Test New Mexico Class B Knowledge Test New Mexico Class B Knowledge Test New Mexico Passenger Oklahoma Class B Knowledge Test Tennessee Class A Knowledge Test Utah Class A Knowledge Test Virginia Class A Knowledge Test