The high pressure power steering hose will commonly leak fluid; it should be replaced.Google+
Car Problem Reports
Pontiac Grand Prix High Pressure Power Steering Hose Can Leak Fluid
Pontiac Grand Prix Problem
Average Mileage: 121,655 mi (69,000 mi - 217,981 mi)
Visitor, 1995 Pontiac Grand Prix, 82,788 mi
leaking power steering fluid faster than i can put it in
Visitor, 2004 Pontiac Grand Prix, 105,000 mi
New power steering pump and hoses
Visitor, 2004 Pontiac Grand Prix, 120,000 mi
High Pressure Power Steering Hose Can Leak Fluid
Now it's leaking again.
Visitor, 2006 Pontiac Grand Prix, 95,360 mi
High pressure hose leaking at rubber to hard line transition fitting
Visitor, 2000 Pontiac Grand Prix, 97,000 mi
leaks power steering fluid
Visitor, 2002 Pontiac Grand Prix, 130,000 mi
Both the return line and the pressure line started leaking at the rack and pinion assembly.
Visitor, 2006 Pontiac Grand Prix, 100,400 mi
power steering leak
Visitor, 1999 Pontiac Grand Prix, 217,981 mi
I have notice fliud leakage underneath car on right side underbody cheked out powerstreeing resevior and it was bone dry.
Visitor, 2000 Pontiac Grand Prix, 170,000 mi
power steering started leaking really slow for a about a year then out of the blue a couple weeks ago i could keep power steering fluid in it. High pressure line
Visitor, 2004 Pontiac Grand Prix, 151,000 mi
The rack and pinion and new power steering pump has been replaced about a year ago. The weather got colder and the power steering was totally stiff, even after the car warmed up.