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: 114,571 mi (43,000 mi - 188,000 mi)
Visitor, 2001 Pontiac Bonneville, 82,000 mi
leaking, keep adding fluid, car is getting old cant afford to fix it right now :(
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.