VW power steering pressure switch. The power steering pressure switch is mounted to the power steering pump. Sometimes they are the source of leaks in the system and simply need to be replaced. The pressure switch is also part of your VWs idle stabilization system and will raise your engines idle speed to compensate for low pressure. If you have replaced all the other switches trying to sort out your high idle issue, this may be your last option.
Do-it-Yourself Tip
The VW power steering pressure switch is bolted through the pressure line to the power steering pump. When it’s time to replace your switch you will need to have some new power steering fluid to top off your system. If you have a legitimate low pressure issue in your Jetta, Golf, or New Beetle we have new original equipment quality power steering pumps.