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Chevrolet 2003 Express Van - Engine Fan Noise; Power Steering Fluid

Chevrolet 2003 Express Van
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Engine Fan
Noise
Your vehicle has a clutched engine cooling fan. When
the clutch is engaged, the fan spins faster to provide
more air
to
cool the engine. In most everyday driving
conditions, the fan is spinning slower and the clutch
is
not fully engaged. This improves fuel economy and
reduces fan noise. Under heavy vehicle loading, trailer
towing and/or high outside temperatures, the fan
speed increases
as
the clutch more fully engages.
So
you may hear an increase in fan noise. This
is normal and should not be mistaken as the
transmission slipping or making extra shifts.
It
is merely
the cooling system functioning properly. The fan will
slow down when additional cooling
is not required and
the clutch partially disengages.
You may
also hear this fan noise when you start the
engine. It will go away as the fan clutch partially
disengages.
Power Steering
Fluid
The power steering fluid reservoir is located
in
the
engine compartment on the driver’s side of the vehicle.
5-37

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