Pontiac 1997 Grand Prix Owner's Manual page 300

Power Steering Fluid
3100 Engine
3800 or 3800 Supercharged Engine
When to Check Power Steering Fluid
It is not necessary to regularly check power steering
fluid unless you suspect there is a leak in the system or
you hear an unusual noise. A fluid loss in
this system
could indicate
a
problem. Have the system inspected
and repaired.
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