The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.Google+
Car Problem Reports
Chevrolet Uplander High Pressure Power Steering Hose Can Leak Fluid
Chevrolet Uplander Problem
Average Mileage: 98,664 mi (32,000 mi - 199,000 mi)
Visitor, 2007 Chevrolet Uplander, 115,648 mi
Power steering hose leaking fluid. Looks like it has been doing it for some time.
Visitor, 2005 Chevrolet Uplander, 107,000 mi
Power steering fluid is leaking and covering most of left side of engine compartment due to slinging from the drive belt.
Visitor, 2005 Chevrolet Uplander, 199,000 mi
Same here, leaking...gotta get it fix but the rest looks great!
Visitor, 2005 Chevrolet Uplander, 32,000 mi
white smoke emitting from hood. had to get towed. not fun.
I ended up replacing the whole steering unit because of the leak.
Visitor, 2005 Chevrolet Uplander, 79,000 mi
Massive leak creating a mess. Bought parts but not yet fixed ... looks like very labor intensive.
Visitor, 2005 Chevrolet Uplander, 80,000 mi
Hose is slinging fluid all over the compartment. I don't know how to replace. Now, it won't start. The inability to start must be connected, somehow.
massive leak from power steering hose