Question Broken suspension parts: Answers Are not a cause for concern. Are extremely dangerous. Cannot be identified. Explanation The suspension system holds up a vehicle and its load while keeping the axles in place. Defects in this system are extremely dangerous. This questions appears in the following tests: Idaho Double Iowa Double Iowa Tank Kentucky Passenger Maine Class A Knowledge Test Michigan Class B Knowledge Test Michigan Tank Montana Tank New Mexico Class A Knowledge Test North Carolina Class B Knowledge Test North Carolina Class B Knowledge Test Ohio Class A Knowledge Test Oklahoma Tank Rhode Island Passenger South Carolina Class B Knowledge Test Utah Passenger