High pressure power steering hoses used to steer vehicles supply hydraulic power generated by a hydraulic pump driven by engine. The life of high pressure hoses is affected by vibration and heat coming from the engine. The failure of high pressure power steering hoses is caused by leakage which occurs from fittings. This can be verified by analysis and observation through cutting the hose assembly to check leakage path. Through the completion of an experimental study, it was found that leakage [main failure mode] was the result of sharp corners of the sleeve damaging the outer rubber layer through constant movement. Although, the essential reason for leakage is the hardening of the rubber after a long period of use. The leakage phenomenon referred to above was verified by the reappearance of fluorescent material coming from the space between the nipple and the inner rubber—and the space between the reinforced material and the outer rubber. The goals of this study are the analysis of stress and strain distribution during the swaging process. Additional goals include determining where the stress concentration occurs, and proposing improvement points which include the shapes of the sleeve and nipple of the high pressure hose assembly as determined by finite element method.