drain the resevoir motor oil viscosity is thicker than power steering and could screw with the power assist
Jan 18, 2006 at 8:21 PM
Drain the power steering reservoir. Motor oil is thicker than power steering fluid and can interfere with power assist.
The user accidentally added about 1/4 cup of motor oil to the power steering fluid and asked what effect it would have and what to do. The expert advised draining the reservoir because motor oil is thicker than power steering fluid and could interfere with power assist.