Izimpawu ze-hydraulic piston ziyizinto ezibalulekile ezinhlelweni zezinjini zezimoto, ikakhulukazi emhlanganweni we-piston. Lezi zimpawu zenzelwe ukuvimbela ukuvuza koketshezi nokugcina ukusebenza okufanele kwezinhlelo ze-hydraulic. Omunye wemisebenzi ebalulekile yezimpawu ze-hydraulic piston ukuvala i-piston ngokumelene ne-cylinder bore, ukuqinisekisa ukuthi uketshezi lwe-hydraulic luqukethwe ngaphakathi kohlelo. Lokhu kuyasiza ukuba igqe