The high pressure power steering hose will commonly leak fluid; it should be replaced.Google+
Car Problem Reports
Pontiac Bonneville High Pressure Power Steering Hose Can Leak Fluid
Pontiac Bonneville Problem
Average Mileage: 102,333 mi (43,000 mi - 163,000 mi)
Visitor, 2001 Pontiac Bonneville, 82,000 mi
Visitor, 2003 Pontiac Bonneville, 65,000 mi
Just noticed loss of power steering fluid in my car. Got it with originally 48000 from my mom. At that time car had a complete check up with 0 issues.
Visitor, 2002 Pontiac Bonneville, 121,000 mi
There is a leak in my power steering fluid, it makes a loud groaning noise whenever it is used. The pump needs to be replaced.