This unit standard is intended for those who maintain chassis and suspension systems. People credited with this unit standard are able to describe construction of different types of chassis, describe different types of suspension systems, inspect chassis and suspension system, replace shock absorbers and dampers, replace springs, service electronically controlled suspension, service McPherson suspensions, service air suspensions system, and service maintain independent front and rear suspensions This unit standard is intended for those who work in automotive mechatronics environment.