Patent ID: 6959740

Claim:
A method for exchanging fluid with an automobile having a steering wheel and a power steering fluid reservoir having an upper fluid level, the method comprising: providing a used fluid receptacle and a fresh fluid source in a portable wheeled cabinet; coupling a first end of a drain conduit to said used fluid receptacle, said drain conduit including a drain pump and a first extension terminating in a first free opposing end; coupling a first end of a supply conduit to said fresh fluid source, said supply conduit including a supply pump and a second extension terminating in a second free opposing end; providing a remote pump actuating means coupled to said drain and supply pumps and including selection switch means for operably actuating either of said pumps; placing said free ends of said first and second extensions in said power steering fluid reservoir and extending said fluid free opposing end to the bottom said reservoir; grasping said remote pump actuating means and alternately actuating said drain and supply pump with said selection means to repeatedly drain and fill said power steering fluid reservoir to provide replacement fluid therein while holding said remote pump actuating means; and rotating said steering wheel of said automobile to a full extent in a first direction and then to a full extent in the opposite direction while holding said remote pump actuating means, observing the replacement fluid; repeating said alternately actuating and rotating steps and continuing to observe said replacement fluid in said reservoir until it is made up of substantially only fresh fluid while holding said remote pump actuating means.